diff --git a/src/main/java/biomesoplenty/api/biome/BOPBiomes.java b/src/main/java/biomesoplenty/api/biome/BOPBiomes.java
index ab556a72d..0def26f5f 100644
--- a/src/main/java/biomesoplenty/api/biome/BOPBiomes.java
+++ b/src/main/java/biomesoplenty/api/biome/BOPBiomes.java
@@ -16,76 +16,83 @@ import java.util.List;
 
 public class BOPBiomes
 {
-    private static List<ResourceKey<Biome>> bopBiomes = Lists.newArrayList();
+    private static List<ResourceKey<Biome>> overworldBiomes = Lists.newArrayList();
 
-    public static final ResourceKey<Biome> BAMBOO_GROVE = register("bamboo_grove");
-    public static final ResourceKey<Biome> BAYOU = register("bayou");
-    public static final ResourceKey<Biome> BOG = register("bog");
-    public static final ResourceKey<Biome> BOREAL_FOREST = register("boreal_forest");
-    public static final ResourceKey<Biome> CHERRY_BLOSSOM_GROVE = register("cherry_blossom_grove");
-    public static final ResourceKey<Biome> COLD_DESERT = register("cold_desert");
-    public static final ResourceKey<Biome> CONIFEROUS_FOREST = register("coniferous_forest");
-    public static final ResourceKey<Biome> CRAG = register("crag");
-    public static final ResourceKey<Biome> DEAD_FOREST = register("dead_forest");
-    public static final ResourceKey<Biome> DENSE_WOODLAND = register("dense_woodland");
-    public static final ResourceKey<Biome> DRY_BONEYARD = register("dry_boneyard");
-    public static final ResourceKey<Biome> DRYLAND = register("dryland");
-    public static final ResourceKey<Biome> DUNE_BEACH = register("dune_beach");
-    public static final ResourceKey<Biome> FIELD = register("field");
-    public static final ResourceKey<Biome> FIR_CLEARING = register("fir_clearing");
-    public static final ResourceKey<Biome> FLOODPLAIN = register("floodplain");
-    public static final ResourceKey<Biome> FORESTED_FIELD = register("forested_field");
-    public static final ResourceKey<Biome> FUNGAL_JUNGLE = register("fungal_jungle");
-    public static final ResourceKey<Biome> GRASSLAND = register("grassland");
-    public static final ResourceKey<Biome> HIGHLAND = register("highland");
-    public static final ResourceKey<Biome> HIGHLAND_MOOR = register("highland_moor");
-    public static final ResourceKey<Biome> JADE_CLIFFS = register("jade_cliffs");
-    public static final ResourceKey<Biome> LAVENDER_FIELD = register("lavender_field");
-    public static final ResourceKey<Biome> LAVENDER_FOREST = register("lavender_forest");
-    public static final ResourceKey<Biome> LUSH_DESERT = register("lush_desert");
-    public static final ResourceKey<Biome> LUSH_SAVANNA = register("lush_savanna");
-    public static final ResourceKey<Biome> MAPLE_FOREST = register("maple_forest");
-    public static final ResourceKey<Biome> MARSH = register("marsh");
-    public static final ResourceKey<Biome> MEDITERRANEAN_FOREST = register("mediterranean_forest");
-    public static final ResourceKey<Biome> MEDITERRANEAN_LAKES = register("mediterranean_lakes");
-    public static final ResourceKey<Biome> MUSKEG = register("muskeg");
-    public static final ResourceKey<Biome> MYSTIC_GROVE = register("mystic_grove");
-    public static final ResourceKey<Biome> OLD_GROWTH_DEAD_FOREST = register("old_growth_dead_forest");
-    public static final ResourceKey<Biome> OMINOUS_WOODS = register("ominous_woods");
-    public static final ResourceKey<Biome> ORCHARD = register("orchard");
-    public static final ResourceKey<Biome> ORIGIN_VALLEY = register("origin_valley");
-    public static final ResourceKey<Biome> PASTURE = register("pasture");
-    public static final ResourceKey<Biome> PRAIRIE = register("prairie");
-    public static final ResourceKey<Biome> PUMPKIN_PATCH = register("pumpkin_patch");
-    public static final ResourceKey<Biome> RAINBOW_HILLS = register("rainbow_hills");
-    public static final ResourceKey<Biome> RAINFOREST = register("rainforest");
-    public static final ResourceKey<Biome> RAINFOREST_CLIFFS = register("rainforest_cliffs");
-    public static final ResourceKey<Biome> REDWOOD_FOREST = register("redwood_forest");
-    public static final ResourceKey<Biome> ROCKY_SHRUBLAND = register("rocky_shrubland");
-    public static final ResourceKey<Biome> SCRUBLAND = register("scrubland");
-    public static final ResourceKey<Biome> SHRUBLAND = register("shrubland");
-    public static final ResourceKey<Biome> SEASONAL_FOREST = register("seasonal_forest");
-    public static final ResourceKey<Biome> SNOWY_CONIFEROUS_FOREST = register("snowy_coniferous_forest");
-    public static final ResourceKey<Biome> SNOWY_FIR_CLEARING = register("snowy_fir_clearing");
-    public static final ResourceKey<Biome> SNOWY_MAPLE_FOREST = register("snowy_maple_forest");
-    public static final ResourceKey<Biome> TROPICS = register("tropics");
-    public static final ResourceKey<Biome> TUNDRA = register("tundra");
-    public static final ResourceKey<Biome> VOLCANO = register("volcano");
-    public static final ResourceKey<Biome> VOLCANIC_PLAINS = register("volcanic_plains");
-    public static final ResourceKey<Biome> WASTELAND = register("wasteland");
-    public static final ResourceKey<Biome> WETLAND = register("wetland");
-    public static final ResourceKey<Biome> WOODED_SCRUBLAND = register("wooded_scrubland");
-    public static final ResourceKey<Biome> WOODLAND = register("woodland");
+    public static final ResourceKey<Biome> BAMBOO_GROVE = registerOverworld("bamboo_grove");
+    public static final ResourceKey<Biome> BAYOU = registerOverworld("bayou");
+    public static final ResourceKey<Biome> BOG = registerOverworld("bog");
+    public static final ResourceKey<Biome> BOREAL_FOREST = registerOverworld("boreal_forest");
+    public static final ResourceKey<Biome> CHERRY_BLOSSOM_GROVE = registerOverworld("cherry_blossom_grove");
+    public static final ResourceKey<Biome> COLD_DESERT = registerOverworld("cold_desert");
+    public static final ResourceKey<Biome> CONIFEROUS_FOREST = registerOverworld("coniferous_forest");
+    public static final ResourceKey<Biome> CRAG = registerOverworld("crag");
+    public static final ResourceKey<Biome> DEAD_FOREST = registerOverworld("dead_forest");
+    public static final ResourceKey<Biome> DENSE_WOODLAND = registerOverworld("dense_woodland");
+    public static final ResourceKey<Biome> DRY_BONEYARD = registerOverworld("dry_boneyard");
+    public static final ResourceKey<Biome> DRYLAND = registerOverworld("dryland");
+    public static final ResourceKey<Biome> DUNE_BEACH = registerOverworld("dune_beach");
+    public static final ResourceKey<Biome> FIELD = registerOverworld("field");
+    public static final ResourceKey<Biome> FIR_CLEARING = registerOverworld("fir_clearing");
+    public static final ResourceKey<Biome> FLOODPLAIN = registerOverworld("floodplain");
+    public static final ResourceKey<Biome> FORESTED_FIELD = registerOverworld("forested_field");
+    public static final ResourceKey<Biome> FUNGAL_JUNGLE = registerOverworld("fungal_jungle");
+    public static final ResourceKey<Biome> GRASSLAND = registerOverworld("grassland");
+    public static final ResourceKey<Biome> HIGHLAND = registerOverworld("highland");
+    public static final ResourceKey<Biome> HIGHLAND_MOOR = registerOverworld("highland_moor");
+    public static final ResourceKey<Biome> JADE_CLIFFS = registerOverworld("jade_cliffs");
+    public static final ResourceKey<Biome> LAVENDER_FIELD = registerOverworld("lavender_field");
+    public static final ResourceKey<Biome> LAVENDER_FOREST = registerOverworld("lavender_forest");
+    public static final ResourceKey<Biome> LUSH_DESERT = registerOverworld("lush_desert");
+    public static final ResourceKey<Biome> LUSH_SAVANNA = registerOverworld("lush_savanna");
+    public static final ResourceKey<Biome> MAPLE_FOREST = registerOverworld("maple_forest");
+    public static final ResourceKey<Biome> MARSH = registerOverworld("marsh");
+    public static final ResourceKey<Biome> MEDITERRANEAN_FOREST = registerOverworld("mediterranean_forest");
+    public static final ResourceKey<Biome> MEDITERRANEAN_LAKES = registerOverworld("mediterranean_lakes");
+    public static final ResourceKey<Biome> MUSKEG = registerOverworld("muskeg");
+    public static final ResourceKey<Biome> MYSTIC_GROVE = registerOverworld("mystic_grove");
+    public static final ResourceKey<Biome> OLD_GROWTH_DEAD_FOREST = registerOverworld("old_growth_dead_forest");
+    public static final ResourceKey<Biome> OMINOUS_WOODS = registerOverworld("ominous_woods");
+    public static final ResourceKey<Biome> ORCHARD = registerOverworld("orchard");
+    public static final ResourceKey<Biome> ORIGIN_VALLEY = registerOverworld("origin_valley");
+    public static final ResourceKey<Biome> PASTURE = registerOverworld("pasture");
+    public static final ResourceKey<Biome> PRAIRIE = registerOverworld("prairie");
+    public static final ResourceKey<Biome> PUMPKIN_PATCH = registerOverworld("pumpkin_patch");
+    public static final ResourceKey<Biome> RAINBOW_HILLS = registerOverworld("rainbow_hills");
+    public static final ResourceKey<Biome> RAINFOREST = registerOverworld("rainforest");
+    public static final ResourceKey<Biome> RAINFOREST_CLIFFS = registerOverworld("rainforest_cliffs");
+    public static final ResourceKey<Biome> REDWOOD_FOREST = registerOverworld("redwood_forest");
+    public static final ResourceKey<Biome> ROCKY_SHRUBLAND = registerOverworld("rocky_shrubland");
+    public static final ResourceKey<Biome> SCRUBLAND = registerOverworld("scrubland");
+    public static final ResourceKey<Biome> SHRUBLAND = registerOverworld("shrubland");
+    public static final ResourceKey<Biome> SEASONAL_FOREST = registerOverworld("seasonal_forest");
+    public static final ResourceKey<Biome> SNOWY_CONIFEROUS_FOREST = registerOverworld("snowy_coniferous_forest");
+    public static final ResourceKey<Biome> SNOWY_FIR_CLEARING = registerOverworld("snowy_fir_clearing");
+    public static final ResourceKey<Biome> SNOWY_MAPLE_FOREST = registerOverworld("snowy_maple_forest");
+    public static final ResourceKey<Biome> SPIDER_NEST = register("spider_nest");
+    public static final ResourceKey<Biome> TROPICS = registerOverworld("tropics");
+    public static final ResourceKey<Biome> TUNDRA = registerOverworld("tundra");
+    public static final ResourceKey<Biome> VOLCANO = registerOverworld("volcano");
+    public static final ResourceKey<Biome> VOLCANIC_PLAINS = registerOverworld("volcanic_plains");
+    public static final ResourceKey<Biome> WASTELAND = registerOverworld("wasteland");
+    public static final ResourceKey<Biome> WETLAND = registerOverworld("wetland");
+    public static final ResourceKey<Biome> WOODED_SCRUBLAND = registerOverworld("wooded_scrubland");
+    public static final ResourceKey<Biome> WOODLAND = registerOverworld("woodland");
 
-    public static List<ResourceKey<Biome>> getBOPBiomes()
+    public static List<ResourceKey<Biome>> getBOPOverworldBiomes()
     {
-        return ImmutableList.copyOf(bopBiomes);
+        return ImmutableList.copyOf(overworldBiomes);
+    }
+
+    private static ResourceKey<Biome> registerOverworld(String name)
+    {
+        ResourceKey<Biome> key = ResourceKey.create(Registry.BIOME_REGISTRY, new ResourceLocation(BiomesOPlenty.MOD_ID, name));;
+        overworldBiomes.add(key);
+        return key;
     }
 
     private static ResourceKey<Biome> register(String name)
     {
         ResourceKey<Biome> key = ResourceKey.create(Registry.BIOME_REGISTRY, new ResourceLocation(BiomesOPlenty.MOD_ID, name));;
-        bopBiomes.add(key);
         return key;
     }
 }