retromarioworlds-1.0.0.jar is a release file of the Minecraft mod Retro Mario Worlds ( Super Mario Bros 3 Edition) for Forge, made for Minecraft 1.20.1. It was published on August 1, 2026 and is 73.9 MB in size. For the full description, screenshots and every other version, visit the Retro Mario Worlds ( Super Mario Bros 3 Edition) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.