Core Keeper Codex

Biomes

The game defines 13 biome identifiers and ships 280 spawn tables. Each table names the biome it applies to and the chance the object spawns, so these pages list what actually appears where — with the game's own numbers.

BiomeBiome IDSpawn entries
None058
Slime124
Larva227
Stone317
Nature537
Sea734
Desert834
Passage1017
Excavation1132

"Initial" entries are placed when a sub-area is first generated; "Respawn" entries are placed again periodically.