Undertale V1.0.3 is a release file of the Minecraft mod Undertale: The Mod for Forge, made for Minecraft 1.12.2. It was published on June 28, 2020 and is 4.1 MB in size. For the full description, screenshots and every other version, visit the Undertale: The Mod mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
