Mettaton Ex Battle Simulator [patched] Jun 2026

I can provide specific movement maps or text macros to help you clear that phase. AI responses may include mistakes. Learn more Share public link

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You do not win this battle by depleting Mettaton’s HP; you win by reaching (or 10,000 if he has lost his limbs). Every action you take alters this number:

Here’s a short, interesting take on the phenomenon — perfect if you’re into Undertale fangames or game design analysis.

The most well-known and highly-rated simulator is hosted on , a site dedicated to Undertale boss battles. Their version of "Mettaton EX" is a full-featured recreation of the fight. mettaton ex battle simulator

The original fight features four distinct attack sets tied to Mettaton’s limbs (legs, arms, torso, heart). A robust simulator expands this. Expect:

Your heart turns upside down and yellow, transforming the gameplay into a classic arcade shoot-'em-up where you fire projectiles upward to destroy Mettaton's obstacles.

Various GitHub-hosted projects allow you to play the "Ratings" mini-game directly in your browser. Mettaton | Undertale Wiki | Fandom

A Mettaton EX battle simulator is a of the epic boss fight with Mettaton EX, the glamorous, transformed version of the robot star Mettaton from Undertale . These simulators aim to capture the chaotic, high-energy fun of the original fight, condensing it into a quick, accessible web-based game. I can provide specific movement maps or text

The Mettaton EX battle simulator isn't just for practice. The community has turned it into a creative tool:

Mettaton starts with small explosives shaped like hearts and stars.

Healing items double as promotional tools in the simulator. Consuming brand-accurate items like the or Starfait rewards you with both health restoration and a substantial ratings bonus. Conversely, eating generic food items will bore the audience, yielding fewer points. Stage-by-Stage Breakdown

Do not get distracted by the shifting disco lights. Blue lights require you to stay still; yellow lights require you to move. This link or copies made by others cannot be deleted

: Mettaton should visually lose his arms, then his legs, as the battle progresses.

"Let's make this educational. What do you love most about me? Write an essay!" ⚡ Turn 3: A massive text box appears. ⌨️ Your Action: right arrow Mettaton's eyes glow. Mettaton EX:

In the Mettaton Ex Battle Simulator, players are presented with a turn-based battle system, where they must make tactical decisions to outmaneuver their opponent. The game features a variety of attacks, defenses, and special moves that players can use to gain an advantage. The simulator also includes a range of items and abilities that can be used to heal, buff, or debuff the player's character or Mettaton Ex.