nukacraft-1.20.1-1.18.3-alpha.jar is a release file of the Minecraft mod NukaCraft: Fallout Mod for Forge, NeoForge, made for Minecraft 1.20.1. It was published on November 26, 2025 and is 21.8 MB in size. For the full description, screenshots and every other version, visit the NukaCraft: Fallout Mod mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.