LCM-1.8.3.jar is a release file of the Minecraft mod Limbus Company Mine section [LCM] for Forge, made for Minecraft 1.20.1. It was published on February 25, 2026 and is 23.5 MB in size. For the full description, screenshots and every other version, visit the Limbus Company Mine section [LCM] mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.