alpha_build.bin-1.3.jar is a release file of the Minecraft mod alpha_build for Forge, made for Minecraft 1.20.1. It was published on August 4, 2026 and is 6 MB in size. For the full description, screenshots and every other version, visit the alpha_build mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
