zombie-apocalypse-alpha-versionv1-0-1-1-21-1.jar is a release file of the Minecraft mod Zombie Apocalypse Old Version for NeoForge, made for Minecraft 1.21.1. It was published on December 26, 2025 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Zombie Apocalypse Old Version mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
