radioactive-0.4.2.3.jar is a release file of the Minecraft mod Rad Radiation for Forge, made for Minecraft 1.20.1. It was published on December 27, 2025 and is 29.4 MB in size. For the full description, screenshots and every other version, visit the Rad Radiation mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
