Battle Simulator — Mettaton Ex

: Many developers use Scratch to build "Mettaton EX Battle" projects. These are great for seeing how the "yellow soul" shooting mechanics and rating systems are coded.

If you want to play or create your own version, the community has built several recreations: mettaton ex battle simulator

The primary goal in most simulators is not to "kill" Mettaton, but to reach a Show Rating of 10,000 to 12,000 Mettaton/In Battle | Undertale Wiki | Fandom : Many developers use Scratch to build "Mettaton