1.2.9+1.15-pre5 is a release file of the Minecraft mod Amecs (Fabric) for Fabric, made for Minecraft 1.15-Snapshot, 1.15, 1.15.1. It was published on December 8, 2019 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Amecs (Fabric) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
