bigbrain-2.2.5-1.21.1.jar is a release file of the Minecraft mod Big Brain for NeoForge, made for Minecraft 1.21.1. It was published on June 12, 2025 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Big Brain mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
