mm-data-1.4.0.zip is a release file of the Minecraft data pack Mob Madness - A World of Chaos, made for Minecraft 1.21.11. It was published on December 11, 2025 and is 0 MB in size. For the full description, screenshots and every other version, visit the Mob Madness - A World of Chaos data pack page.
How to install: Put the .zip into the datapacks folder of your world (.minecraft/saves/<world>/datapacks) and run /reload. No mods needed.
