Overworld Biomes

???
Spawns: Cumauli, Rattasaurus, Vindicators, Chaonimals, Plantites and Slimes

Silk Wetland
Spawns: All mobs

Tropical Plains
Spawns: vanilla mobs

Longthorne forest
Spawns: vanilla mobs but double the rate

Nostalgis
Spawns: vanilla mobs but more creepers
Also contains: Villages