ZP3 - 0.1.21a is a release file of the Minecraft mod Zombie Plague III for Forge, made for Minecraft 1.20.1. It was published on January 8, 2026 and is 5 MB in size. For the full description, screenshots and every other version, visit the Zombie Plague III mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.