diff --git a/env_sounds.lua b/env_sounds.lua
index 22bae2b..dffce5e 100644
--- a/env_sounds.lua
+++ b/env_sounds.lua
@@ -15,7 +15,7 @@
 --]]
 
 local SOUND_DEFS = {
-    everness_cursed_lands = {
+    ['everness:cursed_lands'] = {
         day = {
             {
                 name = 'everness_ambience_graveyard_1',
@@ -156,7 +156,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_cursed_lands_swamp = {
+    ['everness:cursed_lands_swamp'] = {
         day = {
             {
                 name = 'everness_ambience_swamp_1',
@@ -180,7 +180,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_cursed_lands_under = {
+    ['everness:cursed_lands_under'] = {
         day = {
             {
                 name = 'everness_ambience_monster_sigh_cave',
@@ -304,7 +304,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_coral_forest_under = {
+    ['everness:coral_forest_under'] = {
         day = {
             {
                 name = 'everness_ambience_monster_sigh_cave',
@@ -398,7 +398,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_frosted_icesheet = {
+    ['everness:frosted_icesheet'] = {
         day = {
             {
                 name = 'everness_ambience_snow_storm_1',
@@ -437,7 +437,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_frosted_icesheet_ocean = {
+    ['everness:frosted_icesheet_ocean'] = {
         day = {
             {
                 name = 'everness_ambience_snow_storm_1',
@@ -476,7 +476,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_frosted_icesheet_under = {
+    ['everness:frosted_icesheet_under'] = {
         day = {
             {
                 name = 'everness_ambience_monster_sigh_cave',
@@ -570,7 +570,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_crystal_forest_under = {
+    ['everness:crystal_forest_under'] = {
         day = {
             {
                 name = 'everness_ambience_monster_sigh_cave',
@@ -664,7 +664,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_bamboo_forest_under = {
+    ['everness:bamboo_forest_under'] = {
         day = {
             {
                 name = 'everness_ambience_monster_sigh_cave',
@@ -758,7 +758,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_forsaken_desert_under = {
+    ['everness:forsaken_desert_under'] = {
         day = {
             {
                 name = 'everness_ambience_monster_sigh_cave',
@@ -852,7 +852,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_forsaken_tundra = {
+    ['everness:forsaken_tundra'] = {
         day = {
             {
                 name = 'everness_ambience_sulfur_1',
@@ -886,7 +886,7 @@ local SOUND_DEFS = {
             },
         }
     },
-    everness_forsaken_tundra_under = {
+    ['everness:forsaken_tundra_under'] = {
         day = {
             {
                 name = 'everness_ambience_monster_sigh_cave',
diff --git a/mapgen_after.lua b/mapgen_after.lua
index 5b15425..17828f7 100644
--- a/mapgen_after.lua
+++ b/mapgen_after.lua
@@ -90,7 +90,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                     return
                 end
 
-                if biome_name == 'everness_bamboo_forest' and rand:next(0, 100) < chance then
+                if biome_name == 'everness:bamboo_forest' and rand:next(0, 100) < chance then
                     local schem = minetest.get_modpath('everness') .. '/schematics/everness_japanese_shrine.mts'
 
                     --
@@ -131,7 +131,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                     )
 
                     minetest.log('action', '[Everness] Jungle Temple was placed at ' .. schem_pos:to_string())
-                elseif biome_name == 'everness_cursed_lands' and rand:next(0, 100) < chance then
+                elseif biome_name == 'everness:cursed_lands' and rand:next(0, 100) < chance then
                     local schem = minetest.get_modpath('everness') .. '/schematics/everness_haunted_house.mts'
 
                     --
@@ -152,7 +152,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                     )
 
                     minetest.log('action', '[Everness] Haunted House was placed at ' .. schem_pos:to_string())
-                elseif biome_name == 'everness_crystal_forest' and rand:next(0, 100) < chance then
+                elseif biome_name == 'everness:crystal_forest' and rand:next(0, 100) < chance then
                     local schem = minetest.get_modpath('everness') .. '/schematics/everness_quartz_temple.mts'
 
                     --
@@ -173,7 +173,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                     )
 
                     minetest.log('action', '[Everness] Quartz Temple was placed at ' .. schem_pos:to_string())
-                elseif (biome_name == 'everness_forsaken_desert' or biome_name == 'everness_forsaken_desert_ocean')
+                elseif (biome_name == 'everness:forsaken_desert' or biome_name == 'everness:forsaken_desert_ocean')
                     and rand:next(0, 100) < chance
                 then
                     local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple.mts'
@@ -243,7 +243,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                             end
                         }
                     )
-                elseif (biome_name == 'everness_frosted_icesheet' or biome_name == 'everness_frosted_icesheet_ocean')
+                elseif (biome_name == 'everness:frosted_icesheet' or biome_name == 'everness:frosted_icesheet_ocean')
                     and rand:next(0, 100) < chance
                 then
                     local schem = minetest.get_modpath('everness') .. '/schematics/everness_frosted_icesheet_igloo.mts'
@@ -266,7 +266,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                     )
 
                     minetest.log('action', '[Everness] Igloo was placed at ' .. schem_pos:to_string())
-                elseif biome_name == 'everness_mineral_waters'
+                elseif biome_name == 'everness:mineral_waters'
                     and rand:next(0, 100) < chance
                 then
                     local schem = minetest.get_modpath('everness') .. '/schematics/everness_mineral_waters_tower.mts'
@@ -348,7 +348,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                     return
                 end
 
-                if biome_name == 'everness_forsaken_desert_under' and rand:next(0, 100) < chance then
+                if biome_name == 'everness:forsaken_desert_under' and rand:next(0, 100) < chance then
                     local schem = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_desert_temple_2.mts'
 
                     --
diff --git a/mapgen_bamboo_forest.lua b/mapgen_bamboo_forest.lua
index 9360898..b8b1648 100644
--- a/mapgen_bamboo_forest.lua
+++ b/mapgen_bamboo_forest.lua
@@ -50,7 +50,7 @@ Everness:register_decoration({
     place_on = { 'everness:dirt_with_grass_1' },
     sidelen = 80,
     fill_ratio = 0.1,
-    biomes = { 'everness_bamboo_forest' },
+    biomes = { 'everness:bamboo_forest' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_small_bamboo.mts',
@@ -64,7 +64,7 @@ Everness:register_decoration({
     place_on = { 'everness:dirt_with_grass_1' },
     sidelen = 80,
     fill_ratio = 0.1,
-    biomes = { 'everness_bamboo_forest' },
+    biomes = { 'everness:bamboo_forest' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_large_bamboo.mts',
@@ -112,7 +112,7 @@ if jungle_tree_schem then
             octaves = 3,
             persist = 0.66
         },
-        biomes = { 'everness_bamboo_forest' },
+        biomes = { 'everness:bamboo_forest' },
         y_max = y_max,
         y_min = y_min,
         schematic = jungle_tree_schem,
@@ -136,7 +136,7 @@ if jungle_log_schem then
             octaves = 3,
             persist = 0.66
         },
-        biomes = { 'everness_bamboo_forest' },
+        biomes = { 'everness:bamboo_forest' },
         y_max = y_max,
         y_min = y_min,
         schematic = jungle_log_schem,
@@ -163,7 +163,7 @@ if minetest.get_modpath('default') then
             octaves = 3,
             persist = 0.7,
         },
-        biomes = { 'everness_bamboo_forest' },
+        biomes = { 'everness:bamboo_forest' },
         y_max = y_max,
         y_min = y_min,
         schematic = minetest.get_modpath('default') .. '/schematics/bush.mts',
@@ -185,7 +185,7 @@ if minetest.get_modpath('default') then
             octaves = 3,
             persist = 0.7,
         },
-        biomes = { 'everness_bamboo_forest' },
+        biomes = { 'everness:bamboo_forest' },
         y_max = y_max,
         y_min = y_min,
         place_offset_y = 1,
@@ -209,7 +209,7 @@ local function register_flower_decoration(offset, scale, length)
             octaves = 3,
             persist = 0.6
         },
-        biomes = { 'everness_bamboo_forest' },
+        biomes = { 'everness:bamboo_forest' },
         y_max = y_max,
         y_min = y_min,
         decoration = 'everness:flowers_' .. length,
@@ -235,7 +235,7 @@ local function register_flower_magenta_decoration(offset, scale, length)
             octaves = 3,
             persist = 0.6
         },
-        biomes = { 'everness_bamboo_forest' },
+        biomes = { 'everness:bamboo_forest' },
         y_max = y_max,
         y_min = y_min,
         decoration = 'everness:flowers_magenta_' .. length,
diff --git a/mapgen_bamboo_forest_under.lua b/mapgen_bamboo_forest_under.lua
index c081089..e43f695 100644
--- a/mapgen_bamboo_forest_under.lua
+++ b/mapgen_bamboo_forest_under.lua
@@ -45,7 +45,7 @@ Everness:register_decoration({
     place_on = { 'default:stone' },
     sidelen = 16,
     fill_ratio = 10,
-    biomes = { 'everness_bamboo_forest_under' },
+    biomes = { 'everness:bamboo_forest_under' },
     y_max = y_max,
     y_min = y_min,
     place_offset_y = -1,
@@ -62,7 +62,7 @@ Everness:register_decoration({
     place_on = { 'default:stone' },
     sidelen = 16,
     fill_ratio = 0.4,
-    biomes = { 'everness_bamboo_forest_under' },
+    biomes = { 'everness:bamboo_forest_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_ceilings',
@@ -82,7 +82,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_bamboo_forest_under' },
+    biomes = { 'everness:bamboo_forest_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     flags = 'all_floors',
@@ -99,7 +99,7 @@ Everness:register_decoration({
         'everness:vine_cave',
         'everness:vine_cave_with_mese_leaves'
     },
-    biomes = { 'everness_bamboo_forest_under' },
+    biomes = { 'everness:bamboo_forest_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_ceilings',
@@ -121,7 +121,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_bamboo_forest_under' },
+    biomes = { 'everness:bamboo_forest_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:cave_flower' },
@@ -142,7 +142,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_bamboo_forest_under' },
+    biomes = { 'everness:bamboo_forest_under' },
     y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
     y_min = y_min,
     decoration = { 'everness:cave_flower_with_particles' },
@@ -165,7 +165,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_bamboo_forest_under' },
+    biomes = { 'everness:bamboo_forest_under' },
     y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
     y_min = y_min,
     decoration = { 'everness:blue_vine_lantern' },
diff --git a/mapgen_baobab_savanna.lua b/mapgen_baobab_savanna.lua
index bc1f122..33605db 100644
--- a/mapgen_baobab_savanna.lua
+++ b/mapgen_baobab_savanna.lua
@@ -62,7 +62,7 @@ Everness:register_decoration({
         octaves = 4,
         persist = 1.0
     },
-    biomes = { 'everness_baobab_savanna' },
+    biomes = { 'everness:baobab_savanna' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:dry_dirt',
@@ -85,7 +85,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_baobab_savanna' },
+    biomes = { 'everness:baobab_savanna' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_baobab_tree.mts',
@@ -108,7 +108,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_baobab_savanna' },
+    biomes = { 'everness:baobab_savanna' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_baobab_tree.mts',
@@ -130,7 +130,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_baobab_savanna' },
+    biomes = { 'everness:baobab_savanna' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_baobab_log.mts',
@@ -156,7 +156,7 @@ local function register_dry_grass_decoration(offset, scale, length)
             octaves = 3,
             persist = 0.6
         },
-        biomes = { 'everness_baobab_savanna' },
+        biomes = { 'everness:baobab_savanna' },
         y_max = y_max,
         y_min = y_min,
         decoration = 'everness:dry_grass_' .. length,
diff --git a/mapgen_coral_forest.lua b/mapgen_coral_forest.lua
index 4bae32c..82208a6 100644
--- a/mapgen_coral_forest.lua
+++ b/mapgen_coral_forest.lua
@@ -67,7 +67,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest' }
+    biomes = { 'everness:coral_forest' }
 })
 
 -- Dirt
@@ -89,7 +89,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest' }
+    biomes = { 'everness:coral_forest' }
 })
 
 -- Scatter ores
@@ -105,7 +105,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_coral_forest' }
+    biomes = { 'everness:coral_forest' }
 })
 
 --
@@ -131,7 +131,7 @@ if chunksize >= 5 then
             octaves = 3,
             persist = 0.66
         },
-        biomes = { 'everness_coral_forest' },
+        biomes = { 'everness:coral_forest' },
         y_max = y_max,
         y_min = y_min,
         schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_tree.mts',
@@ -156,7 +156,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_coral_forest' },
+    biomes = { 'everness:coral_forest' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_bones_tree.mts',
@@ -177,7 +177,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_coral_forest' },
+    biomes = { 'everness:coral_forest' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:coral_burdock_1', 'everness:coral_burdock_2' },
@@ -198,7 +198,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest' },
+    biomes = { 'everness:coral_forest' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:coral_bush'
@@ -217,7 +217,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest' },
+    biomes = { 'everness:coral_forest' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:coral_shrub'
@@ -237,7 +237,7 @@ local function register_coral_grass_decoration(offset, scale, length)
             octaves = 3,
             persist = 0.6
         },
-        biomes = { 'everness_coral_forest' },
+        biomes = { 'everness:coral_forest' },
         y_max = y_max,
         y_min = y_min,
         decoration = 'everness:coral_grass_' .. length,
diff --git a/mapgen_coral_forest_deep_ocean.lua b/mapgen_coral_forest_deep_ocean.lua
index 4647112..5822292 100644
--- a/mapgen_coral_forest_deep_ocean.lua
+++ b/mapgen_coral_forest_deep_ocean.lua
@@ -63,7 +63,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest_ocean' }
+    biomes = { 'everness:coral_forest_deep_ocean' }
 })
 
 --
@@ -87,7 +87,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_forest_deep_ocean_coral_reef_pink.mts',
@@ -109,7 +109,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_forest_deep_ocean_coral_reef_cyan.mts',
@@ -131,7 +131,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_forest_deep_ocean_coral_reef_green.mts',
@@ -153,7 +153,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_forest_deep_ocean_coral_reef_red.mts',
@@ -168,7 +168,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.002,
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_forest_deep_ocean_coral_pink.mts',
@@ -183,7 +183,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.002,
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_forest_deep_ocean_coral_cyan.mts',
@@ -198,7 +198,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.002,
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_forest_deep_ocean_coral_green.mts',
@@ -213,7 +213,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.002,
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_forest_deep_ocean_coral_red.mts',
@@ -227,7 +227,7 @@ Everness:register_decoration({
     place_offset_y = -1,
     sidelen = 4,
     fill_ratio = 0.002,
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -250,7 +250,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -273,7 +273,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -296,7 +296,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest_deep_ocean' },
+    biomes = { 'everness:coral_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -369,7 +369,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                             return
                         end
 
-                        if biome_name == 'everness_coral_forest_deep_ocean' and rand:next(0, 100) < chance then
+                        if biome_name == 'everness:coral_forest_deep_ocean' and rand:next(0, 100) < chance then
                             --
                             -- Coral Forest Deep Ocean House
                             --
diff --git a/mapgen_coral_forest_dunes.lua b/mapgen_coral_forest_dunes.lua
index 9162971..8d2f798 100644
--- a/mapgen_coral_forest_dunes.lua
+++ b/mapgen_coral_forest_dunes.lua
@@ -68,7 +68,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest_dunes' }
+    biomes = { 'everness:coral_forest_dunes' }
 })
 
 -- Dirt
@@ -90,7 +90,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest_dunes' }
+    biomes = { 'everness:coral_forest_dunes' }
 })
 
 -- Scatter ores
@@ -106,7 +106,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_coral_forest_dunes' }
+    biomes = { 'everness:coral_forest_dunes' }
 })
 
 --
@@ -129,7 +129,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest_dunes' },
+    biomes = { 'everness:coral_forest_dunes' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('x_clay')
@@ -154,7 +154,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest_dunes' },
+    biomes = { 'everness:coral_forest_dunes' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:coral_bush'
@@ -173,7 +173,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest_dunes' },
+    biomes = { 'everness:coral_forest_dunes' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:coral_shrub'
diff --git a/mapgen_coral_forest_ocean.lua b/mapgen_coral_forest_ocean.lua
index 9602044..510b16b 100644
--- a/mapgen_coral_forest_ocean.lua
+++ b/mapgen_coral_forest_ocean.lua
@@ -64,7 +64,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest_ocean' }
+    biomes = { 'everness:coral_forest_ocean' }
 })
 
 -- Coral sand
@@ -86,7 +86,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest_ocean' }
+    biomes = { 'everness:coral_forest_ocean' }
 })
 
 -- Dirt
@@ -108,7 +108,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest_ocean' }
+    biomes = { 'everness:coral_forest_ocean' }
 })
 
 -- Scatter ores
@@ -124,7 +124,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_coral_forest_ocean' }
+    biomes = { 'everness:coral_forest_ocean' }
 })
 
 --
@@ -149,7 +149,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_coral_forest_ocean' },
+    biomes = { 'everness:coral_forest_ocean' },
     y_max = y_max - 5 > y_min and y_max - 5 or y_max,
     y_min = y_max - 11 > y_min and y_max - 11 or y_min,
     flags = 'force_placement',
diff --git a/mapgen_coral_forest_under.lua b/mapgen_coral_forest_under.lua
index 220744d..4d6e6fa 100644
--- a/mapgen_coral_forest_under.lua
+++ b/mapgen_coral_forest_under.lua
@@ -61,7 +61,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_coral_forest_under' }
+    biomes = { 'everness:coral_forest_under' }
 })
 
 --
@@ -77,7 +77,7 @@ Everness:register_decoration({
     place_offset_y = -1,
     sidelen = 16,
     fill_ratio = 10,
-    biomes = { 'everness_coral_forest_under' },
+    biomes = { 'everness:coral_forest_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_floors, force_placement',
@@ -92,7 +92,7 @@ Everness:register_decoration({
     place_on = { 'default:stone' },
     sidelen = 16,
     fill_ratio = 0.4,
-    biomes = { 'everness_coral_forest_under' },
+    biomes = { 'everness:coral_forest_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_ceilings',
@@ -115,7 +115,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_coral_forest_under' },
+    biomes = { 'everness:coral_forest_under' },
     y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_coral_tree_bioluminescent.mts',
@@ -139,7 +139,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest_under' },
+    biomes = { 'everness:coral_forest_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:coral_plant_bioluminescent',
@@ -159,7 +159,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_coral_forest_under' },
+    biomes = { 'everness:coral_forest_under' },
     y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
     y_min = y_min,
     decoration = 'everness:lumecorn',
@@ -172,7 +172,7 @@ Everness:register_decoration({
     place_on = { 'everness:moss_block' },
     sidelen = 16,
     fill_ratio = 0.05,
-    biomes = { 'everness_coral_forest_under' },
+    biomes = { 'everness:coral_forest_under' },
     param2 = 8,
     decoration = {
         'everness:lumabus_vine_1',
@@ -200,7 +200,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_coral_forest_under' },
+    biomes = { 'everness:coral_forest_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = {
diff --git a/mapgen_crystal_forest.lua b/mapgen_crystal_forest.lua
index 3421c9c..ff8d238 100644
--- a/mapgen_crystal_forest.lua
+++ b/mapgen_crystal_forest.lua
@@ -67,7 +67,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest' }
+    biomes = { 'everness:crystal_forest' }
 })
 
 -- Dirt
@@ -89,7 +89,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest' }
+    biomes = { 'everness:crystal_forest' }
 })
 
 -- Scatter ores
@@ -105,7 +105,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_crystal_forest' }
+    biomes = { 'everness:crystal_forest' }
 })
 
 --
@@ -125,7 +125,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_crystal_forest' },
+    biomes = { 'everness:crystal_forest' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:crystal_mushrooms',
@@ -146,7 +146,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_crystal_forest' },
+    biomes = { 'everness:crystal_forest' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_tree.mts',
@@ -168,7 +168,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_crystal_forest' },
+    biomes = { 'everness:crystal_forest' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_tree_large.mts',
@@ -190,7 +190,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_crystal_forest' },
+    biomes = { 'everness:crystal_forest' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_bush.mts',
@@ -211,7 +211,7 @@ local function register_crystal_grass_decoration(offset, scale, length)
             octaves = 3,
             persist = 0.6
         },
-        biomes = { 'everness_crystal_forest' },
+        biomes = { 'everness:crystal_forest' },
         y_max = y_max,
         y_min = y_min,
         decoration = 'everness:crystal_grass_' .. length,
diff --git a/mapgen_crystal_forest_deep_ocean.lua b/mapgen_crystal_forest_deep_ocean.lua
index 1a0df1d..5947184 100644
--- a/mapgen_crystal_forest_deep_ocean.lua
+++ b/mapgen_crystal_forest_deep_ocean.lua
@@ -53,7 +53,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.003,
-    biomes = { 'everness_crystal_forest_deep_ocean' },
+    biomes = { 'everness:crystal_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_forest_deep_ocean_coral_1.mts',
@@ -68,7 +68,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.003,
-    biomes = { 'everness_crystal_forest_deep_ocean' },
+    biomes = { 'everness:crystal_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_forest_deep_ocean_coral_2.mts',
@@ -83,7 +83,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.003,
-    biomes = { 'everness_crystal_forest_deep_ocean' },
+    biomes = { 'everness:crystal_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_forest_deep_ocean_coral_3.mts',
@@ -97,7 +97,7 @@ Everness:register_decoration({
     place_offset_y = -1,
     sidelen = 4,
     fill_ratio = 0.002,
-    biomes = { 'everness_crystal_forest_deep_ocean' },
+    biomes = { 'everness:crystal_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -120,7 +120,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_crystal_forest_deep_ocean' },
+    biomes = { 'everness:crystal_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -143,7 +143,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_crystal_forest_deep_ocean' },
+    biomes = { 'everness:crystal_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -166,7 +166,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_crystal_forest_deep_ocean' },
+    biomes = { 'everness:crystal_forest_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -238,7 +238,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                             return
                         end
 
-                        if biome_name == 'everness_crystal_forest_deep_ocean' and rand:next(0, 100) < chance then
+                        if biome_name == 'everness:crystal_forest_deep_ocean' and rand:next(0, 100) < chance then
                             --
                             -- Crystal Forest Deep Ocean Ruins
                             --
diff --git a/mapgen_crystal_forest_dunes.lua b/mapgen_crystal_forest_dunes.lua
index b216f2d..79b46fd 100644
--- a/mapgen_crystal_forest_dunes.lua
+++ b/mapgen_crystal_forest_dunes.lua
@@ -68,7 +68,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest_dunes' }
+    biomes = { 'everness:crystal_forest_dunes' }
 })
 
 -- Dirt
@@ -90,7 +90,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest_dunes' }
+    biomes = { 'everness:crystal_forest_dunes' }
 })
 
 --
@@ -110,7 +110,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_crystal_forest_dunes' },
+    biomes = { 'everness:crystal_forest_dunes' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_forest_ruins_1.mts',
@@ -132,7 +132,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_crystal_forest_dunes' },
+    biomes = { 'everness:crystal_forest_dunes' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_forest_ruins_2.mts',
diff --git a/mapgen_crystal_forest_ocean.lua b/mapgen_crystal_forest_ocean.lua
index 653f75a..d994c9d 100644
--- a/mapgen_crystal_forest_ocean.lua
+++ b/mapgen_crystal_forest_ocean.lua
@@ -68,7 +68,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest_ocean' }
+    biomes = { 'everness:crystal_forest_ocean' }
 })
 
 -- Crystal sand
@@ -90,7 +90,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest_ocean' }
+    biomes = { 'everness:crystal_forest_ocean' }
 })
 
 -- Dirt
@@ -112,7 +112,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest_ocean' }
+    biomes = { 'everness:crystal_forest_ocean' }
 })
 
 --
@@ -135,7 +135,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_crystal_forest_ocean' },
+    biomes = { 'everness:crystal_forest_ocean' },
     y_max = y_max,
     y_min = y_max - 10 > y_min and y_max - 10 or y_min,
     flags = 'force_placement',
diff --git a/mapgen_crystal_forest_shore.lua b/mapgen_crystal_forest_shore.lua
index c05df7a..973d9bd 100644
--- a/mapgen_crystal_forest_shore.lua
+++ b/mapgen_crystal_forest_shore.lua
@@ -68,7 +68,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest_shore' }
+    biomes = { 'everness:crystal_forest_shore' }
 })
 
 -- Dirt
@@ -90,7 +90,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_crystal_forest_shore' }
+    biomes = { 'everness:crystal_forest_shore' }
 })
 
 -- Scatter ores
@@ -106,7 +106,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_crystal_forest_shore' }
+    biomes = { 'everness:crystal_forest_shore' }
 })
 
 --
@@ -126,7 +126,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7
     },
-    biomes = { 'everness_crystal_forest_shore' },
+    biomes = { 'everness:crystal_forest_shore' },
     y_max = y_max,
     y_min = y_max,
     decoration = 'everness:crystal_waterlily',
diff --git a/mapgen_crystal_forest_under.lua b/mapgen_crystal_forest_under.lua
index 0eb03f7..8f54201 100644
--- a/mapgen_crystal_forest_under.lua
+++ b/mapgen_crystal_forest_under.lua
@@ -46,7 +46,7 @@ Everness:register_decoration({
     sidelen = 16,
     place_offset_y = -1,
     fill_ratio = 10,
-    biomes = { 'everness_crystal_forest_under' },
+    biomes = { 'everness:crystal_forest_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = {
@@ -62,7 +62,7 @@ Everness:register_decoration({
     place_on = { 'default:stone' },
     sidelen = 16,
     fill_ratio = 0.4,
-    biomes = { 'everness_crystal_forest_under' },
+    biomes = { 'everness:crystal_forest_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_ceilings',
@@ -77,7 +77,7 @@ Everness:register_decoration({
     place_on = { 'everness:crystal_moss_block' },
     sidelen = 16,
     fill_ratio = 0.05,
-    biomes = { 'everness_crystal_forest_under' },
+    biomes = { 'everness:crystal_forest_under' },
     param2 = 8,
     decoration = {
         'everness:twisted_vine_1',
@@ -109,7 +109,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_crystal_forest_under' },
+    biomes = { 'everness:crystal_forest_under' },
     y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_purple_cluster.mts',
@@ -139,7 +139,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_crystal_forest_under' },
+    biomes = { 'everness:crystal_forest_under' },
     y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_crystal_orange_cluster.mts',
@@ -168,7 +168,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_crystal_forest_under' },
+    biomes = { 'everness:crystal_forest_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:crystal_cyan',
@@ -192,7 +192,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7
     },
-    biomes = { 'everness_crystal_forest_under' },
+    biomes = { 'everness:crystal_forest_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = 'everness:twisted_crystal_grass',
@@ -213,7 +213,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_crystal_forest_under' },
+    biomes = { 'everness:crystal_forest_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:crystal_cyan',
diff --git a/mapgen_cursed_lands.lua b/mapgen_cursed_lands.lua
index d93e9ba..d8bc9a7 100644
--- a/mapgen_cursed_lands.lua
+++ b/mapgen_cursed_lands.lua
@@ -63,7 +63,7 @@ Everness:register_ore({
         octaves = 1,
     },
     stratum_thickness = 4,
-    biomes = { 'everness_cursed_lands' },
+    biomes = { 'everness:cursed_lands' },
 })
 
 Everness:register_ore({
@@ -81,7 +81,7 @@ Everness:register_ore({
         octaves = 1,
     },
     stratum_thickness = 2,
-    biomes = { 'everness_cursed_lands' },
+    biomes = { 'everness:cursed_lands' },
 })
 
 -- Blob ore.
@@ -106,7 +106,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands' }
+    biomes = { 'everness:cursed_lands' }
 })
 
 -- Dirt
@@ -128,7 +128,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands' }
+    biomes = { 'everness:cursed_lands' }
 })
 
 -- Mud
@@ -150,7 +150,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands' }
+    biomes = { 'everness:cursed_lands' }
 })
 
 -- Scatter ores
@@ -166,7 +166,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_cursed_lands' }
+    biomes = { 'everness:cursed_lands' }
 })
 
 --
@@ -186,7 +186,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_cursed_lands' },
+    biomes = { 'everness:cursed_lands' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_cemetery.mts',
@@ -207,7 +207,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_cursed_lands' },
+    biomes = { 'everness:cursed_lands' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_ruins_1.mts',
@@ -229,7 +229,7 @@ local function register_red_castor_decoration(offset, scale, length)
             octaves = 3,
             persist = 0.6
         },
-        biomes = { 'everness_cursed_lands' },
+        biomes = { 'everness:cursed_lands' },
         y_max = y_max,
         y_min = y_min,
         decoration = 'everness:red_castor_' .. length,
@@ -257,7 +257,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_cursed_lands' },
+    biomes = { 'everness:cursed_lands' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -283,7 +283,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_cursed_lands' },
+    biomes = { 'everness:cursed_lands' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_dry_tree.mts',
@@ -305,7 +305,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_cursed_lands' },
+    biomes = { 'everness:cursed_lands' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_cursed_bush.mts',
diff --git a/mapgen_cursed_lands_deep_ocean.lua b/mapgen_cursed_lands_deep_ocean.lua
index 030ee01..dbb333f 100644
--- a/mapgen_cursed_lands_deep_ocean.lua
+++ b/mapgen_cursed_lands_deep_ocean.lua
@@ -53,7 +53,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.002,
-    biomes = { 'everness_cursed_lands_deep_ocean' },
+    biomes = { 'everness:cursed_lands_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_lands_deep_ocean_coral_alcyonacea.mts',
@@ -68,7 +68,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.002,
-    biomes = { 'everness_cursed_lands_deep_ocean' },
+    biomes = { 'everness:cursed_lands_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_lands_deep_ocean_coral_ostracod.mts',
@@ -83,7 +83,7 @@ Everness:register_decoration({
     num_spawn_by = 8,
     sidelen = 16,
     fill_ratio = 0.002,
-    biomes = { 'everness_cursed_lands_deep_ocean' },
+    biomes = { 'everness:cursed_lands_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_lands_deep_ocean_coral_octocurse.mts',
@@ -97,7 +97,7 @@ Everness:register_decoration({
     place_offset_y = -1,
     sidelen = 4,
     fill_ratio = 0.002,
-    biomes = { 'everness_cursed_lands_deep_ocean' },
+    biomes = { 'everness:cursed_lands_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -120,7 +120,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_cursed_lands_deep_ocean' },
+    biomes = { 'everness:cursed_lands_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -143,7 +143,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_cursed_lands_deep_ocean' },
+    biomes = { 'everness:cursed_lands_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -166,7 +166,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_cursed_lands_deep_ocean' },
+    biomes = { 'everness:cursed_lands_deep_ocean' },
     y_max = y_max,
     y_min = y_min,
     flags = 'force_placement',
@@ -239,7 +239,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                             return
                         end
 
-                        if biome_name == 'everness_cursed_lands_deep_ocean' and rand:next(0, 100) < chance then
+                        if biome_name == 'everness:cursed_lands_deep_ocean' and rand:next(0, 100) < chance then
                             --
                             -- Skull
                             --
diff --git a/mapgen_cursed_lands_dunes.lua b/mapgen_cursed_lands_dunes.lua
index c025c79..f6a2610 100644
--- a/mapgen_cursed_lands_dunes.lua
+++ b/mapgen_cursed_lands_dunes.lua
@@ -68,7 +68,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_dunes' }
+    biomes = { 'everness:cursed_lands_dunes' }
 })
 
 -- Dirt
@@ -90,7 +90,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_dunes' }
+    biomes = { 'everness:cursed_lands_dunes' }
 })
 
 -- Mud
@@ -112,7 +112,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_dunes' }
+    biomes = { 'everness:cursed_lands_dunes' }
 })
 
 -- Scatter ores
@@ -128,7 +128,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_cursed_lands_dunes' }
+    biomes = { 'everness:cursed_lands_dunes' }
 })
 
 --
@@ -154,7 +154,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_cursed_lands_dunes' },
+    biomes = { 'everness:cursed_lands_dunes' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_dry_tree.mts',
diff --git a/mapgen_cursed_lands_ocean.lua b/mapgen_cursed_lands_ocean.lua
index 9926ca8..0500883 100644
--- a/mapgen_cursed_lands_ocean.lua
+++ b/mapgen_cursed_lands_ocean.lua
@@ -68,7 +68,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_ocean' }
+    biomes = { 'everness:cursed_lands_ocean' }
 })
 
 -- Sand
@@ -90,7 +90,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_ocean' }
+    biomes = { 'everness:cursed_lands_ocean' }
 })
 
 -- Dirt
@@ -112,7 +112,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_ocean' }
+    biomes = { 'everness:cursed_lands_ocean' }
 })
 
 -- Mud
@@ -134,7 +134,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_ocean' }
+    biomes = { 'everness:cursed_lands_ocean' }
 })
 
 -- Scatter ores
@@ -150,7 +150,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_cursed_lands_ocean' }
+    biomes = { 'everness:cursed_lands_ocean' }
 })
 
 --
@@ -176,7 +176,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_cursed_lands_ocean' },
+    biomes = { 'everness:cursed_lands_ocean' },
     y_max = y_max,
     y_min = y_max - (y_max + 1),
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_dry_tree.mts',
@@ -200,7 +200,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7
     },
-    biomes = { 'everness_cursed_lands_ocean' },
+    biomes = { 'everness:cursed_lands_ocean' },
     y_max = y_max - (y_max + 5),
     y_min = y_max - (y_max + 10),
     flags = 'force_placement',
diff --git a/mapgen_cursed_lands_swamp.lua b/mapgen_cursed_lands_swamp.lua
index d987d5e..b8439ac 100644
--- a/mapgen_cursed_lands_swamp.lua
+++ b/mapgen_cursed_lands_swamp.lua
@@ -67,7 +67,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_swamp' }
+    biomes = { 'everness:cursed_lands_swamp' }
 })
 
 -- Dirt
@@ -89,7 +89,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_swamp' }
+    biomes = { 'everness:cursed_lands_swamp' }
 })
 
 -- Mud
@@ -111,7 +111,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_cursed_lands_swamp' }
+    biomes = { 'everness:cursed_lands_swamp' }
 })
 
 -- Scatter ores
@@ -127,7 +127,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_cursed_lands_swamp' }
+    biomes = { 'everness:cursed_lands_swamp' }
 })
 
 --
@@ -149,7 +149,7 @@ Everness:register_decoration({
         octaves = 1,
         persist = 0.5
     },
-    biomes = { 'everness_cursed_lands_swamp' },
+    biomes = { 'everness:cursed_lands_swamp' },
     y_max = y_min,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_dry_tree.mts',
@@ -172,7 +172,7 @@ Everness:register_decoration({
         octaves = 1,
         persist = 0.5
     },
-    biomes = { 'everness_cursed_lands_swamp' },
+    biomes = { 'everness:cursed_lands_swamp' },
     y_max = y_max,
     y_min = y_max,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_marsh_grass.mts',
diff --git a/mapgen_cursed_lands_under.lua b/mapgen_cursed_lands_under.lua
index 22f6b38..3ec9de6 100644
--- a/mapgen_cursed_lands_under.lua
+++ b/mapgen_cursed_lands_under.lua
@@ -46,7 +46,7 @@ Everness:register_decoration({
     place_offset_y = -1,
     sidelen = 16,
     fill_ratio = 10,
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_floors, force_placement',
@@ -61,7 +61,7 @@ Everness:register_decoration({
     place_on = { 'default:stone' },
     sidelen = 16,
     fill_ratio = 0.4,
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_ceilings',
@@ -83,7 +83,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
     y_min = y_min,
     decoration = 'everness:skull_with_candle',
@@ -97,7 +97,7 @@ Everness:register_decoration({
     place_on = { 'everness:moss_block' },
     sidelen = 16,
     fill_ratio = 0.05,
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     param2 = 8,
     decoration = {
         'everness:eye_vine_1',
@@ -125,7 +125,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = { 'everness:cursed_pumpkin_lantern' },
@@ -147,7 +147,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     y_max = y_max - 1500 > y_min and y_max - 1500 or y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_cursed_dream_tree.mts',
@@ -170,7 +170,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = {
@@ -194,7 +194,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = {
@@ -210,7 +210,7 @@ Everness:register_decoration({
     place_on = { 'everness:soul_sandstone_veined' },
     sidelen = 16,
     fill_ratio = 0.02,
-    biomes = { 'everness_cursed_lands_under' },
+    biomes = { 'everness:cursed_lands_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:cobweb' },
diff --git a/mapgen_forsaken_desert.lua b/mapgen_forsaken_desert.lua
index 7303b5f..7e7c3d7 100644
--- a/mapgen_forsaken_desert.lua
+++ b/mapgen_forsaken_desert.lua
@@ -63,7 +63,7 @@ Everness:register_ore({
         octaves = 1,
     },
     stratum_thickness = 4,
-    biomes = { 'everness_forsaken_desert' },
+    biomes = { 'everness:forsaken_desert' },
 })
 
 Everness:register_ore({
@@ -81,7 +81,7 @@ Everness:register_ore({
         octaves = 1,
     },
     stratum_thickness = 2,
-    biomes = { 'everness_forsaken_desert' },
+    biomes = { 'everness:forsaken_desert' },
 })
 
 --
@@ -101,7 +101,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_forsaken_desert' },
+    biomes = { 'everness:forsaken_desert' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:forsaken_desert_plant_1' },
@@ -121,7 +121,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_forsaken_desert' },
+    biomes = { 'everness:forsaken_desert' },
     y_max = y_max,
     y_min = y_min,
     decoration = {
@@ -144,7 +144,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_forsaken_desert' },
+    biomes = { 'everness:forsaken_desert' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_termite_nest.mts',
@@ -165,7 +165,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_forsaken_desert' },
+    biomes = { 'everness:forsaken_desert' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_hollow_tree.mts',
@@ -186,7 +186,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_forsaken_desert' },
+    biomes = { 'everness:forsaken_desert' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_hollow_tree_large.mts',
diff --git a/mapgen_forsaken_desert_under.lua b/mapgen_forsaken_desert_under.lua
index 16133d9..d5d8d6b 100644
--- a/mapgen_forsaken_desert_under.lua
+++ b/mapgen_forsaken_desert_under.lua
@@ -46,7 +46,7 @@ Everness:register_decoration({
     sidelen = 16,
     place_offset_y = -1,
     fill_ratio = 10,
-    biomes = { 'everness_forsaken_desert_under' },
+    biomes = { 'everness:forsaken_desert_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_floors, force_placement',
@@ -62,7 +62,7 @@ Everness:register_decoration({
     sidelen = 16,
     place_offset_y = -1,
     fill_ratio = 0.2,
-    biomes = { 'everness_forsaken_desert_under' },
+    biomes = { 'everness:forsaken_desert_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = {
@@ -82,7 +82,7 @@ Everness:register_decoration({
     place_on = { 'everness:forsaken_desert_sand' },
     sidelen = 16,
     fill_ratio = 0.4,
-    biomes = { 'everness_forsaken_desert_under' },
+    biomes = { 'everness:forsaken_desert_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_ceilings',
@@ -104,7 +104,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_forsaken_desert_under' },
+    biomes = { 'everness:forsaken_desert_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = 'everness:cactus_blue',
@@ -124,7 +124,7 @@ Everness:register_decoration({
     },
     sidelen = 16,
     fill_ratio = 0.005,
-    biomes = { 'everness_forsaken_desert_under' },
+    biomes = { 'everness:forsaken_desert_under' },
     y_max = y_max - 250 > y_min and y_max - 250 or y_max,
     y_min = y_min,
     decoration = {
@@ -146,7 +146,7 @@ Everness:register_decoration({
     },
     sidelen = 16,
     fill_ratio = 0.005,
-    biomes = { 'everness_forsaken_desert_under' },
+    biomes = { 'everness:forsaken_desert_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:illumi_root' },
@@ -159,7 +159,7 @@ Everness:register_decoration({
     place_on = { 'everness:moss_block' },
     sidelen = 16,
     fill_ratio = 0.05,
-    biomes = { 'everness_forsaken_desert_under' },
+    biomes = { 'everness:forsaken_desert_under' },
     param2 = 8,
     decoration = {
         'everness:dense_vine_1',
@@ -185,7 +185,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_forsaken_desert_under' },
+    biomes = { 'everness:forsaken_desert_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:hollow_tree',
diff --git a/mapgen_forsaken_tundra.lua b/mapgen_forsaken_tundra.lua
index c762b64..ad6c279 100644
--- a/mapgen_forsaken_tundra.lua
+++ b/mapgen_forsaken_tundra.lua
@@ -65,7 +65,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = {'everness_forsaken_tundra' }
+    biomes = {'everness:forsaken_tundra' }
 })
 
 --
@@ -86,7 +86,7 @@ Everness:register_decoration({
         persist = 0.0,
         flags = 'absvalue, eased'
     },
-    biomes = { 'everness_forsaken_tundra' },
+    biomes = { 'everness:forsaken_tundra' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:volcanic_sulfur' },
@@ -110,7 +110,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_forsaken_tundra' },
+    biomes = { 'everness:forsaken_tundra' },
     y_max = y_max,
     y_min = y_min,
     place_offset_y = -1,
@@ -134,7 +134,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 1.0
     },
-    biomes = { 'everness_forsaken_tundra' },
+    biomes = { 'everness:forsaken_tundra' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:forsaken_tundra_dirt_with_grass',
@@ -155,7 +155,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_forsaken_tundra' },
+    biomes = { 'everness:forsaken_tundra' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:volcanic_sulfur' },
@@ -174,7 +174,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_forsaken_tundra' },
+    biomes = { 'everness:forsaken_tundra' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_forsaken_tundra_rocks.mts',
@@ -195,7 +195,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_forsaken_tundra' },
+    biomes = { 'everness:forsaken_tundra' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_sulfur_volcano.mts',
@@ -218,7 +218,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_forsaken_tundra' },
+    biomes = { 'everness:forsaken_tundra' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:bloodspore_plant',
@@ -240,7 +240,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_forsaken_tundra' },
+    biomes = { 'everness:forsaken_tundra' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:bloodspore_plant',
diff --git a/mapgen_forsaken_tundra_beach.lua b/mapgen_forsaken_tundra_beach.lua
index fdff4db..b84bba9 100644
--- a/mapgen_forsaken_tundra_beach.lua
+++ b/mapgen_forsaken_tundra_beach.lua
@@ -65,7 +65,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_forsaken_tundra_beach' }
+    biomes = { 'everness:forsaken_tundra_beach' }
 })
 
 --
@@ -85,7 +85,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_forsaken_tundra_beach' },
+    biomes = { 'everness:forsaken_tundra_beach' },
     y_max = y_max,
     y_min = y_min,
     place_offset_y = -1,
diff --git a/mapgen_forsaken_tundra_under.lua b/mapgen_forsaken_tundra_under.lua
index bbb1d37..b98894e 100644
--- a/mapgen_forsaken_tundra_under.lua
+++ b/mapgen_forsaken_tundra_under.lua
@@ -59,7 +59,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_forsaken_tundra_under' }
+    biomes = { 'everness:forsaken_tundra_under' }
 })
 
 --
@@ -73,7 +73,7 @@ Everness:register_decoration({
     sidelen = 16,
     place_offset_y = -1,
     fill_ratio = 10,
-    biomes = { 'everness_forsaken_tundra_under' },
+    biomes = { 'everness:forsaken_tundra_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_floors, force_placement',
@@ -88,7 +88,7 @@ Everness:register_decoration({
     place_on = { 'default:stone' },
     sidelen = 16,
     fill_ratio = 0.4,
-    biomes = { 'everness_forsaken_tundra_under' },
+    biomes = { 'everness:forsaken_tundra_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_ceilings',
@@ -104,7 +104,7 @@ Everness:register_decoration({
     sidelen = 16,
     place_offset_y = -1,
     fill_ratio = 0.02,
-    biomes = { 'everness_forsaken_tundra_under' },
+    biomes = { 'everness:forsaken_tundra_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = {
@@ -122,7 +122,7 @@ Everness:register_decoration({
     sidelen = 16,
     place_offset_y = -1,
     fill_ratio = 0.02,
-    biomes = { 'everness_forsaken_tundra_under' },
+    biomes = { 'everness:forsaken_tundra_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = {
@@ -146,7 +146,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_forsaken_tundra_under' },
+    biomes = { 'everness:forsaken_tundra_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = 'everness:cactus_orange',
@@ -168,7 +168,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_forsaken_tundra_under' },
+    biomes = { 'everness:forsaken_tundra_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = 'everness:bloodspore_plant_small',
@@ -182,7 +182,7 @@ Everness:register_decoration({
     place_on = { 'everness:moss_block' },
     sidelen = 16,
     fill_ratio = 0.05,
-    biomes = { 'everness_forsaken_tundra_under' },
+    biomes = { 'everness:forsaken_tundra_under' },
     param2 = 8,
     decoration = {
         'everness:whispering_gourd_vine_1',
@@ -210,7 +210,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_forsaken_tundra_under' },
+    biomes = { 'everness:forsaken_tundra_under' },
     y_max = y_max - 1000 > y_min and y_max - 1000 or y_max,
     y_min = y_min,
     decoration = { 'everness:glowing_pillar' },
@@ -232,7 +232,7 @@ local function register_agave_leaf_decoration(offset, scale, length)
             persist = 0.6
         },
         param2 = 8,
-        biomes = { 'everness_forsaken_tundra_under' },
+        biomes = { 'everness:forsaken_tundra_under' },
         y_max = y_max,
         y_min = y_min,
         decoration = 'everness:agave_leaf_' .. length,
@@ -300,7 +300,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                     return
                 end
 
-                if biome_name == 'everness_forsaken_tundra_under' and rand:next(0, 100) < chance then
+                if biome_name == 'everness:forsaken_tundra_under' and rand:next(0, 100) < chance then
                     --
                     -- Willow Tree
                     --
diff --git a/mapgen_frosted_icesheet.lua b/mapgen_frosted_icesheet.lua
index 57c3138..50b54f3 100644
--- a/mapgen_frosted_icesheet.lua
+++ b/mapgen_frosted_icesheet.lua
@@ -66,7 +66,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_frosted_icesheet' },
+    biomes = { 'everness:frosted_icesheet' },
     y_max = y_max,
     y_min = (y_max - y_max) + 4,
     flags = 'place_center_x, place_center_z',
@@ -88,7 +88,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_frosted_icesheet' },
+    biomes = { 'everness:frosted_icesheet' },
     y_max = y_max,
     y_min = (y_max - y_max) + 2,
     flags = 'place_center_x, place_center_z',
@@ -112,7 +112,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_frosted_icesheet' },
+    biomes = { 'everness:frosted_icesheet' },
     y_max = y_max,
     y_min = (y_max - y_max) + 1,
     flags = 'place_center_x, place_center_z',
diff --git a/mapgen_frosted_icesheet_ocean.lua b/mapgen_frosted_icesheet_ocean.lua
index 37fbd64..338b16b 100644
--- a/mapgen_frosted_icesheet_ocean.lua
+++ b/mapgen_frosted_icesheet_ocean.lua
@@ -61,7 +61,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_frosted_icesheet_ocean' },
+    biomes = { 'everness:frosted_icesheet_ocean' },
     y_max = y_max - (y_max + 2), -- -2
     y_min = y_max - (y_max + 50), -- -50
     flags = 'force_placement',
diff --git a/mapgen_frosted_icesheet_under.lua b/mapgen_frosted_icesheet_under.lua
index 03c89e2..6669813 100644
--- a/mapgen_frosted_icesheet_under.lua
+++ b/mapgen_frosted_icesheet_under.lua
@@ -59,7 +59,7 @@ Everness:register_ore({
         octaves = 1,
         persist = 0.0
     },
-    biomes = { 'everness_frosted_icesheet_under' }
+    biomes = { 'everness:frosted_icesheet_under' }
 })
 
 --
@@ -73,7 +73,7 @@ Everness:register_decoration({
     place_offset_y = -1,
     sidelen = 16,
     fill_ratio = 10,
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_floors, force_placement',
@@ -92,7 +92,7 @@ Everness:register_decoration({
     place_on = { 'default:stone' },
     sidelen = 16,
     fill_ratio = 0.4,
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max,
     y_min = y_min,
     flags = 'all_ceilings',
@@ -118,7 +118,7 @@ Everness:register_decoration({
     sidelen = 16,
     place_offset_y = -1,
     fill_ratio = 0.01,
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:frosted_cave_ice_illuminating' },
@@ -138,7 +138,7 @@ Everness:register_decoration({
     sidelen = 16,
     place_offset_y = -1,
     fill_ratio = 0.01,
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:frosted_cave_ice_illuminating' },
@@ -164,7 +164,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max - 500 > y_min and y_max - 500 or y_max,
     y_min = y_min,
     decoration = { 'everness:amaranita_lantern' },
@@ -183,7 +183,7 @@ Everness:register_decoration({
     },
     sidelen = 16,
     fill_ratio = 0.05,
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     param2 = 8,
     decoration = {
         'everness:tenanea_flowers_vine_1',
@@ -217,7 +217,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_frosted_icicle_large_ceiling.mts',
@@ -244,7 +244,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max,
     y_min = y_min,
     schematic = minetest.get_modpath('everness') .. '/schematics/everness_frosted_icicle_large_floor.mts',
@@ -272,7 +272,7 @@ Everness:register_decoration({
         persist = 0.6
     },
     param2 = 8,
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = {
@@ -301,7 +301,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_frosted_icesheet_under' },
+    biomes = { 'everness:frosted_icesheet_under' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:creeping_moss_spores' },
diff --git a/mapgen_mineral_waters.lua b/mapgen_mineral_waters.lua
index 7b0a38c..2bca417 100644
--- a/mapgen_mineral_waters.lua
+++ b/mapgen_mineral_waters.lua
@@ -59,7 +59,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_mineral_waters' }
+    biomes = { 'everness:mineral_waters' }
 })
 
 Everness:register_ore({
@@ -71,7 +71,7 @@ Everness:register_ore({
     clust_size = 3,
     y_max = y_max,
     y_min = y_min,
-    biomes = { 'everness_mineral_waters' }
+    biomes = { 'everness:mineral_waters' }
 })
 
 --
@@ -92,7 +92,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.6
     },
-    biomes = { 'everness_mineral_waters' },
+    biomes = { 'everness:mineral_waters' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:crystal_stone' },
@@ -111,7 +111,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.66
     },
-    biomes = { 'everness_mineral_waters' },
+    biomes = { 'everness:mineral_waters' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:crystal_stone' },
@@ -136,7 +136,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_mineral_waters' },
+    biomes = { 'everness:mineral_waters' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:crystal_stone' },
@@ -158,7 +158,7 @@ Everness:register_decoration({
         octaves = 3,
         persist = 0.7,
     },
-    biomes = { 'everness_mineral_waters' },
+    biomes = { 'everness:mineral_waters' },
     y_max = y_max,
     y_min = y_min,
     decoration = { 'everness:crystal_stone' },
@@ -198,7 +198,7 @@ local c_everness_mineral_water_weed_1 = minetest.get_content_id('everness:minera
 local c_everness_mineral_water_weed_2 = minetest.get_content_id('everness:mineral_water_weed_2')
 local c_everness_mineral_water_weed_3 = minetest.get_content_id('everness:mineral_water_weed_3')
 -- Biome IDs
-local biome_id_everness_mineral_waters = minetest.get_biome_id('everness_mineral_waters')
+local biome_id_everness_mineral_waters = minetest.get_biome_id('everness:mineral_waters')
 -- Decoration IDs
 local d_everness_palm_trees = minetest.get_decoration_id('everness:palm_trees')
 local d_everness_water_geyser = minetest.get_decoration_id('everness:water_geyser')
@@ -371,7 +371,7 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
                                         return
                                     end
 
-                                    if b_name ~= 'everness_mineral_waters'
+                                    if b_name ~= 'everness:mineral_waters'
                                         -- for mese trees, they dont have specific biome
                                         or minetest.get_item_group(n_name, 'tree') > 0
                                         or minetest.get_item_group(n_name, 'leaves') > 0
diff --git a/mapgen_mineral_waters_under.lua b/mapgen_mineral_waters_under.lua
index f2c7784..884ee81 100644
--- a/mapgen_mineral_waters_under.lua
+++ b/mapgen_mineral_waters_under.lua
@@ -59,7 +59,8 @@ Everness:register_ore({
         seed = 766,
         octaves = 1,
         persist = 0.0
-    }
+    },
+    biomes = { 'everness:mineral_waters_under' }
 })
 
 --
diff --git a/mod_support_x_tumbleweed.lua b/mod_support_x_tumbleweed.lua
index f755a48..68862f8 100644
--- a/mod_support_x_tumbleweed.lua
+++ b/mod_support_x_tumbleweed.lua
@@ -19,19 +19,19 @@ local mod_start_time = minetest.get_us_time()
 local allowed_biomes = {}
 
 if Everness.settings.biomes.everness_forsaken_desert.enabled then
-    table.insert(allowed_biomes, 'everness_forsaken_desert')
+    table.insert(allowed_biomes, 'everness:forsaken_desert')
 end
 
 if Everness.settings.biomes.everness_forsaken_desert_ocean.enabled then
-    table.insert(allowed_biomes, 'everness_forsaken_desert_ocean')
+    table.insert(allowed_biomes, 'everness:forsaken_desert_ocean')
 end
 
 if Everness.settings.biomes.everness_forsaken_desert_under.enabled then
-    table.insert(allowed_biomes, 'everness_forsaken_desert_under')
+    table.insert(allowed_biomes, 'everness:forsaken_desert_under')
 end
 
 if Everness.settings.biomes.everness_baobab_savanna.enabled then
-    table.insert(allowed_biomes, 'everness_baobab_savanna')
+    table.insert(allowed_biomes, 'everness:baobab_savanna')
 end
 
 if #allowed_biomes > 0 then
diff --git a/skybox.lua b/skybox.lua
index e215852..3cd46a6 100644
--- a/skybox.lua
+++ b/skybox.lua
@@ -15,7 +15,7 @@
 --]]
 
 local skybox_defs = {
-    everness_cursed_lands = {
+    ['everness:cursed_lands'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -46,7 +46,7 @@ local skybox_defs = {
             speed = { x = -2, z = -2 }
         }
     },
-    everness_cursed_lands_dunes = {
+    ['everness:cursed_lands_dunes'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -77,7 +77,7 @@ local skybox_defs = {
             speed = { x = -2, z = -2 }
         }
     },
-    everness_cursed_lands_swamp = {
+    ['everness:cursed_lands_swamp'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -108,7 +108,7 @@ local skybox_defs = {
             speed = { x = -2, z = -2 }
         }
     },
-    everness_cursed_lands_ocean = {
+    ['everness:cursed_lands_ocean'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -139,7 +139,7 @@ local skybox_defs = {
             speed = { x = -2, z = -2 }
         }
     },
-    everness_cursed_lands_under = {
+    ['everness:cursed_lands_under'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -170,7 +170,7 @@ local skybox_defs = {
             speed = { x = -2, z = -2 }
         }
     },
-    everness_coral_forest = {
+    ['everness:coral_forest'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -193,7 +193,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_coral_forest_dunes = {
+    ['everness:coral_forest_dunes'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -216,7 +216,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_coral_forest_ocean = {
+    ['everness:coral_forest_ocean'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -239,7 +239,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_coral_forest_under = {
+    ['everness:coral_forest_under'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -256,7 +256,7 @@ local skybox_defs = {
             }
         },
     },
-    everness_bamboo_forest = {
+    ['everness:bamboo_forest'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -281,7 +281,7 @@ local skybox_defs = {
             sunrise = 'everness_bamboo_forest_sunrisebg.png',
         },
     },
-    everness_bamboo_forest_under = {
+    ['everness:bamboo_forest_under'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -300,7 +300,7 @@ local skybox_defs = {
             }
         },
     },
-    everness_frosted_icesheet = {
+    ['everness:frosted_icesheet'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -322,7 +322,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_frosted_icesheet_ocean = {
+    ['everness:frosted_icesheet_ocean'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -344,7 +344,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_frosted_icesheet_under = {
+    ['everness:frosted_icesheet_under'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -360,7 +360,7 @@ local skybox_defs = {
             }
         },
     },
-    everness_crystal_forest = {
+    ['everness:crystal_forest'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -391,7 +391,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_crystal_forest_dunes = {
+    ['everness:crystal_forest_dunes'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -422,7 +422,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_crystal_forest_shore = {
+    ['everness:crystal_forest_shore'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -453,7 +453,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_crystal_forest_ocean = {
+    ['everness:crystal_forest_ocean'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -484,7 +484,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_crystal_forest_under = {
+    ['everness:crystal_forest_under'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -505,7 +505,7 @@ local skybox_defs = {
             scale = 0.5
         }
     },
-    everness_forsaken_desert = {
+    ['everness:forsaken_desert'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -527,7 +527,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_forsaken_desert_ocean = {
+    ['everness:forsaken_desert_ocean'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -549,7 +549,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_forsaken_desert_under = {
+    ['everness:forsaken_desert_under'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -565,7 +565,7 @@ local skybox_defs = {
             }
         }
     },
-    everness_baobab_savanna = {
+    ['everness:baobab_savanna'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -587,7 +587,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_forsaken_tundra = {
+    ['everness:forsaken_tundra'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -611,7 +611,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_forsaken_tundra_beach = {
+    ['everness:forsaken_tundra_beach'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -635,7 +635,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_forsaken_tundra_ocean = {
+    ['everness:forsaken_tundra_ocean'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -659,7 +659,7 @@ local skybox_defs = {
             sunrise = ''
         },
     },
-    everness_forsaken_tundra_under = {
+    ['everness:forsaken_tundra_under'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {
@@ -677,7 +677,7 @@ local skybox_defs = {
             }
         }
     },
-    everness_mineral_waters = {
+    ['everness:mineral_waters'] = {
         sky_parameters = {
             type = 'regular',
             sky_color = {