Radiation Update 1.0 is a release file of the Minecraft mod Offical TestCQ for Forge, made for Minecraft 1.18.2, 1.19.2. It was published on September 28, 2022 and is 0.6 MB in size. For the full description, screenshots and every other version, visit the Offical TestCQ mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.