Kawatt

Origin datapack that adds the Rockeater, a small creature that can only eat stone

Adds cotton candy

Spawns you with everything you need for a cave only playthrough

Makes lantern crafting recipes cheaper by halving the amount of iron needed

Transforms the overworld into a cave only world

Origin addon that adds the Hivenest, a living nest with a symbiotic relationship with bees.

Spawns you underground

Makes rail crafting recipes cheaper by using nuggets instead of ingots

Mobs spawn only at night

Adds a suspicious snow block

Origin datapack that adds the Enderxolotl, a mix between Merling and Enderian

Origin datapack that adds the Spore Lizard, a small critter that glows, and crawls, and climbs

Makes torch recipes give 2 times more torches