|This article is about an older version of DF.|
Bottomless chasms as a geographical feature no longer exist in v0.31. However, chasms still exist as the SUBTERRANEAN_CHASM biome token in the raws. This tag seems to imply the spawning of creatures in non-water parts of the caverns, as opposed to the SUBTERRANEAN_WATER biome.
|World Generation (Basic / Advanced / Rejections)|
|Regions - Climate - Surroundings - Map legend|
|Civilizations - Sites ( Cave - Town - Fortress - Ruin ) - Calendar|
|Aquifer - Brook - Island - Tunnel - Volcano - Waterfall|
|Biomes|| Chasm/Caverns - Desert - Forest - Glacier - Grassland - Lake - Mountain|
Murky pool - Ocean - River - Savanna - Shrubland - Tundra - Wetland