BlockBoyArcade-1.0.3+1.21.11.jar is a release file of the Minecraft mod BlockBoy Arcade for Fabric, Quilt, made for Minecraft 1.21.11. It was published on January 6, 2026 and is 1.7 MB in size. For the full description, screenshots and every other version, visit the BlockBoy Arcade mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
