1.0.0 1.12.2 is a release file of the Minecraft mod Halo: the attack of the flood, made for Minecraft 1.12.2. It was published on December 30, 2019 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Halo: the attack of the flood mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.