1.0.581 is a release file of the Minecraft mod Matthew's Difficulty Mod for Forge, made for Minecraft 1.12.1, 1.12, 1.12.2, 1.12-Snapshot. It was published on August 11, 2020 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Matthew's Difficulty Mod mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
