project_alpha-1.5.1-neoforge-1.21.1.jar is a release file of the Minecraft mod Project Alpha for NeoForge, made for Minecraft 1.21.1. It was published on July 12, 2026 and is 8 MB in size. For the full description, screenshots and every other version, visit the Project Alpha mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
