ifr25ku-31.31.0-alpha.3+neoforge.jar is an alpha file of the Minecraft mod IFR25KU: The Institute of Fairy Research 2025 Kakera Unofficial for NeoForge, made for Minecraft 1.21.1. It was published on December 30, 2025 and is 4.8 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the IFR25KU: The Institute of Fairy Research 2025 Kakera Unofficial mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.