NuclearCraft-1.20.1-1.2.26.jar is a release file of the Minecraft mod NuclearCraft: Neoteric for Forge, NeoForge, made for Minecraft 1.20.1. It was published on June 10, 2026 and is 20.8 MB in size. 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.