BITE

Each biome sets its own temperature effect, which raises or lowers the player's body temperature over time. When the temperature climbs too high or drops too low, the player starts to take damage. Heat makes water drain faster, and cold makes food burn through more quickly. Rain and entering water give the Wet effect, and a wet body cools down faster, which makes cold biomes far more dangerous.

The mod turns survival into a long struggle against hunger, the body and the climate. A new character starts with one heart and one hunger bar, and the world is built to be unforgiving. Seasons shift through the year and change weather, terrain, plants and visuals, with freezing biomes as one of the harsher settings. BITE needs Fabric API and runs on client and server, so the server and every player need it. Files are published for Fabric only, for 1.21.10, and the mod is released under All rights reserved, so it is not open source.