Chimgrad.zip is a release file of the Minecraft map Chernobyl Style HBM RBMK Power Plant, made for Minecraft 1.12.2. It was published on June 19, 2026 and is 50.3 MB in size. For the full description, screenshots and every other version, visit the Chernobyl Style HBM RBMK Power Plant map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.
