Kawatt

Adds a suspicious snow block

Transforms the overworld into a cave only world

Adds cotton candy

Spawns you with everything you need for a cave only playthrough

Makes torch recipes give 2 times more torches

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

Spawns you underground

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

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

Mobs spawn only at night

Makes rail crafting recipes cheaper by using nuggets instead of ingots

An Origins Datapack that adds the Crystal Weaver, an arachnid that can make warp webs.

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

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