Undertale Battle Maker Android May 2026

Leo, my app says "Server Shutdown"??? I was 3 hours into making a Muffet fight!

It wasn't just a fan game. It was a maker . A sandbox. An Android app that let anyone, anywhere, design their own Undertale battles. You could choose a human soul color, drag and drop attacks (bones, blasters, meteors, spears), write dialogue for Sans, Papyrus, or your own custom OCs, and set mercy values. It was a pocket-sized creative bomb. undertale battle maker android

Then, at 11:47 PM, a DM arrived from a user named . Leo, my app says "Server Shutdown"