(1.18.1) blockus-2.3.4+1.18.1 is a release file of the Minecraft mod Blockus for Fabric, made for Minecraft 1.18.1. It was published on December 24, 2021 and is 4 MB in size. For the full description, screenshots and every other version, visit the Blockus mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.