Toby Fox, the creator of Undertale , has a relaxed stance on fan games and non-commercial simulators. As long as the simulator does not contain ripped audio files (WAVs/MP3s from the game) or use official sprite sheets without credit, it falls under fair use/fan art protection.
. These are often browser-playable and range from simple mini-games to full battle engines. Unitale / Create Your Frisk : This is a dedicated engine for fan battles. You can find Mettaton EX scripts mettaton ex battle simulator
: The goal is to reach 10,000 ratings (or 12,000 for specific endings). The simulator accurately tracks how your actions—like Posing , Boasting , or even taking damage—affect the live viewer count. Toby Fox, the creator of Undertale , has
In a Mettaton EX simulator, you aren't just trying to survive; you're trying to put on a show. The battle ends when you reach a specific viewership rating. Win Condition Rating Required All limbs blown off during scripted events Full Form Battle ends instantly before limbs are lost The Ratings System: How to Boost Your Score These are often browser-playable and range from simple
Overall, the Mettaton EX battle simulator offers a thrilling experience for Undertale enthusiasts, allowing them to test their skills and creativity in a challenging and entertaining way.