diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index 5ae656a4ba0..06a477f0be3 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -42,7 +42,7 @@ import PokemonSpriteSparkleHandler from "./field/pokemon-sprite-sparkle-handler"
 import CharSprite from "./ui/char-sprite";
 import DamageNumberHandler from "./field/damage-number-handler";
 import PokemonInfoContainer from "./ui/pokemon-info-container";
-import { biomeDepths, getBiomeName } from "./data/biomes";
+import { biomeDepths, getBiomeName } from "./data/balance/biomes";
 import { SceneBase } from "./scene-base";
 import CandyBar from "./ui/candy-bar";
 import { Variant, variantData } from "./data/variant";
diff --git a/src/data/biomes.ts b/src/data/balance/biomes.ts
similarity index 100%
rename from src/data/biomes.ts
rename to src/data/balance/biomes.ts
diff --git a/src/data/mystery-encounters/mystery-encounters.ts b/src/data/mystery-encounters/mystery-encounters.ts
index 0ce4a5c2506..14fd5d7d6d1 100644
--- a/src/data/mystery-encounters/mystery-encounters.ts
+++ b/src/data/mystery-encounters/mystery-encounters.ts
@@ -32,7 +32,7 @@ import { FunAndGamesEncounter } from "#app/data/mystery-encounters/encounters/fu
 import { UncommonBreedEncounter } from "#app/data/mystery-encounters/encounters/uncommon-breed-encounter";
 import { GlobalTradeSystemEncounter } from "#app/data/mystery-encounters/encounters/global-trade-system-encounter";
 import { TheExpertPokemonBreederEncounter } from "#app/data/mystery-encounters/encounters/the-expert-pokemon-breeder-encounter";
-import { getBiomeName } from "#app/data/biomes";
+import { getBiomeName } from "#app/data/balance/biomes";
 
 /**
  * Spawn chance: (BASE_MYSTERY_ENCOUNTER_SPAWN_WEIGHT + WIGHT_INCREMENT_ON_SPAWN_MISS * <number of missed spawns>) / MYSTERY_ENCOUNTER_SPAWN_MAX_WEIGHT
diff --git a/src/data/mystery-encounters/utils/encounter-phase-utils.ts b/src/data/mystery-encounters/utils/encounter-phase-utils.ts
index ca02c8bdfd6..18adaa4f6f4 100644
--- a/src/data/mystery-encounters/utils/encounter-phase-utils.ts
+++ b/src/data/mystery-encounters/utils/encounter-phase-utils.ts
@@ -1,5 +1,5 @@
 import Battle, { BattlerIndex, BattleType } from "#app/battle";
-import { biomeLinks, BiomePoolTier } from "#app/data/biomes";
+import { biomeLinks, BiomePoolTier } from "#app/data/balance/biomes";
 import MysteryEncounterOption from "#app/data/mystery-encounters/mystery-encounter-option";
 import { AVERAGE_ENCOUNTERS_PER_RUN_TARGET, WEIGHT_INCREMENT_ON_SPAWN_MISS } from "#app/data/mystery-encounters/mystery-encounters";
 import { showEncounterText } from "#app/data/mystery-encounters/utils/encounter-dialogue-utils";
diff --git a/src/data/pokemon-species.ts b/src/data/pokemon-species.ts
index 9bcf80f49f6..6ac505a84ef 100644
--- a/src/data/pokemon-species.ts
+++ b/src/data/pokemon-species.ts
@@ -8,7 +8,7 @@ import BattleScene, { AnySound } from "../battle-scene";
 import { GameMode } from "../game-mode";
 import { StarterMoveset } from "../system/game-data";
 import * as Utils from "../utils";
-import { uncatchableSpecies } from "./biomes";
+import { uncatchableSpecies } from "./balance/biomes";
 import { speciesEggMoves } from "./balance/egg-moves";
 import { GrowthRate } from "./exp";
 import { EvolutionLevel, SpeciesWildEvolutionDelay, pokemonEvolutions, pokemonPrevolutions } from "./balance/pokemon-evolutions";
diff --git a/src/field/arena.ts b/src/field/arena.ts
index dc9ad84f09d..6b9e8cd75a2 100644
--- a/src/field/arena.ts
+++ b/src/field/arena.ts
@@ -1,5 +1,5 @@
 import BattleScene from "../battle-scene";
-import { biomePokemonPools, BiomePoolTier, BiomeTierTrainerPools, biomeTrainerPools, PokemonPools } from "../data/biomes";
+import { biomePokemonPools, BiomePoolTier, BiomeTierTrainerPools, biomeTrainerPools, PokemonPools } from "../data/balance/biomes";
 import { Constructor } from "#app/utils";
 import * as Utils from "../utils";
 import PokemonSpecies, { getPokemonSpecies } from "../data/pokemon-species";
diff --git a/src/loading-scene.ts b/src/loading-scene.ts
index 56d38bbc13c..42a568af0d2 100644
--- a/src/loading-scene.ts
+++ b/src/loading-scene.ts
@@ -7,7 +7,7 @@ import { isMobile } from "./touch-controls";
 import * as Utils from "./utils";
 import { initI18n } from "./plugins/i18n";
 import { initPokemonPrevolutions } from "#app/data/balance/pokemon-evolutions";
-import { initBiomes } from "#app/data/biomes";
+import { initBiomes } from "#app/data/balance/biomes";
 import { initEggMoves } from "#app/data/balance/egg-moves";
 import { initPokemonForms } from "#app/data/pokemon-forms";
 import { initSpecies } from "#app/data/pokemon-species";
diff --git a/src/phases/select-biome-phase.ts b/src/phases/select-biome-phase.ts
index fe9b5b3996b..49c6c3ac3c0 100644
--- a/src/phases/select-biome-phase.ts
+++ b/src/phases/select-biome-phase.ts
@@ -1,5 +1,5 @@
 import BattleScene from "#app/battle-scene";
-import { biomeLinks, getBiomeName } from "#app/data/biomes";
+import { biomeLinks, getBiomeName } from "#app/data/balance/biomes";
 import { Biome } from "#app/enums/biome";
 import { MoneyInterestModifier, MapModifier } from "#app/modifier/modifier";
 import { OptionSelectItem } from "#app/ui/abstact-option-select-ui-handler";
diff --git a/src/test/vitest.setup.ts b/src/test/vitest.setup.ts
index 8b3b7f683e8..12e899029d1 100644
--- a/src/test/vitest.setup.ts
+++ b/src/test/vitest.setup.ts
@@ -2,7 +2,7 @@ import "vitest-canvas-mock";
 
 import { initLoggedInUser } from "#app/account";
 import { initAbilities } from "#app/data/ability";
-import { initBiomes } from "#app/data/biomes";
+import { initBiomes } from "#app/data/balance/biomes";
 import { initEggMoves } from "#app/data/balance/egg-moves";
 import { initMoves } from "#app/data/move";
 import { initPokemonPrevolutions } from "#app/data/balance/pokemon-evolutions";
diff --git a/src/ui/summary-ui-handler.ts b/src/ui/summary-ui-handler.ts
index e93fa0713c0..148dd937a81 100644
--- a/src/ui/summary-ui-handler.ts
+++ b/src/ui/summary-ui-handler.ts
@@ -13,7 +13,7 @@ import { getGenderColor, getGenderSymbol } from "../data/gender";
 import { getLevelRelExp, getLevelTotalExp } from "../data/exp";
 import { PokemonHeldItemModifier } from "../modifier/modifier";
 import { StatusEffect } from "../data/status-effect";
-import { getBiomeName } from "../data/biomes";
+import { getBiomeName } from "../data/balance/biomes";
 import { Nature, getNatureName, getNatureStatMultiplier } from "../data/nature";
 import { loggedInUser } from "../account";
 import { Variant, getVariantTint } from "#app/data/variant";