DevDeiff Weirdssentials

Sneaking triggers a set of joke effects: a fart sound from a random set of variations, particle effects, a small chance of an accident that applies temporary nausea and slowness, and a dirt particle burst. Holding the sneak key for a long time sets off a special sound as a surprise mechanic. The mod bundles several community-voted mechanics in a single build, and it is described by its author as growing with new ideas taken from the author's videos.

Earning an advancement triggers a roulette that sets off a chaotic teleport event, and the roulette activates automatically in normal play. A subscriber arena system is included: subscriber NPCs fight to the death inside the arena, the arena position is saved automatically, and each round spawns the next available subscriber fighters. Editing the subscriber list changes who fights, and the arena can be cleared and the next battle started from its settings. Killing a mob steals its form, and the power gained from it varies with the form the player currently holds.

A server running it needs every connecting player to have it too. Files are published for Fabric only, for 1.21.1 – 1.21.11, and it is released under the MIT License, which is not open source.