1.2.2-midgame3 is a release file of the Minecraft mod Spectrum for Fabric, made for Minecraft 1.18.1. It was published on January 3, 2022 and is 19.3 MB in size. For the full description, screenshots and every other version, visit the Spectrum mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
