NuclearCraft-1.21.1-1.3.0-pre-alpha1.jar is an alpha file of the Minecraft mod NuclearCraft: Neoteric for NeoForge, made for Minecraft 1.21.1. It was published on June 29, 2026 and is 14.4 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the NuclearCraft: Neoteric mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
