1.0.5-mc25w42a is a release file of the Minecraft mod The Copperier Age: Copperier Copper for Fabric, Quilt, made for Minecraft 1.21.11-snapshot. It was published on October 17, 2025 and is 4.1 MB in size. For the full description, screenshots and every other version, visit the The Copperier Age: Copperier Copper mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
