BCB-2768-1.0.1 is a release file of the Minecraft mod BlackMage's Compressed Blocks, made for Minecraft 1.12.2. It was published on February 24, 2019 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the BlackMage's Compressed Blocks mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
