caseopener-1.3.0.jar is a release file of the Minecraft mod CaseOpener for Fabric, made for Minecraft 1.21.11. It was published on October 14, 2026 and is 7.1 MB in size. For the full description, screenshots and every other version, visit the CaseOpener mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
