Unstable Underworld

This datapack is inspired by the Unstable Underworld and adds the Unstable Underworld below the nether. There is no nether bedrock.

5 biomes

Build 1 · checked 3 October 2026

Biomes

• unstable_underworld:ashen_wastes — temperature 1 · downfall 0 · no precipitation
• unstable_underworld:crimson_depths — temperature 1.3 · downfall 0 · no precipitation
• unstable_underworld:snowbound_grove — temperature -0.5 · downfall 0.65

Show all 5 biomes

• unstable_underworld:soul_lowlands — temperature 0.86 · downfall 0 · no precipitation
• unstable_underworld:verdant_wastes — temperature 0.72 · downfall 0 · no precipitation

Requires

Mod	Needed	Versions
fabric-resource-loader-v0	required	*

Download Links

• modrinth.com modrinth.com/mod/unstableunderworld
• Homepage modrinth.com/datapack/unstableunderworld