opsec-1.21-1.21.1+v1.1.7.1.jar is a release file of the Minecraft mod OpseX-TREME for Fabric, made for Minecraft 1.21, 1.21.1-Snapshot, 1.21.1, 1.21-Snapshot. It was published on September 21, 2026 and is 0.3 MB in size. For the full description, screenshots and every other version, visit the OpseX-TREME mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
