HomeGamesUpdatesPricingMethodology
Steam

Mutated Muter's Invasion

Also known as Mutated Muter's Invasion, mmi, mutated muters invasion

A fun platformer adventure game about a music note fighting mobs and collecting power-ups and other items (with a couple side-scrolling shooter levels). Neutralize the evil Mutated Muter, a magical monster from the outer space who wants to steal all the music from the world!

Last update
16 May 2026
Players now
0

Latest update

Announcement

"Mutated Muter's Invasion" Gets a Major Refactoring!

A major update for "Mutated Muter's Invasion" to enhance gameplay experience is out! Some key points are: The screen/window dimensions and the in-game pixel-wise render zone are re-factored to match 1920x1080 instead of…

4 changesGameplayPerformanceRead announcement

Update history

Browse past updates and patch notes for this game.

7 updates

Gallery

In-game media

Achievements

Community progression

Top picks from 36 Steam achievements, sorted by player unlock rates.

  • Un-Mute Like a ProTutorials are a nice thing, aren't they?42.8%
  • GlissandoDo your first glissando and see that glissando'ing is fun!38.0%
  • Bomber Un-MuterFind your first musical bomb and show them all who the boss is here.33.3%
  • Lasting Un-MuterHeal yourself a little with your first alto clef and don't give up!33.3%
  • Turbo Un-MuterCollect your first 100 sharps to start boosting the rapidity of your shooting.33.3%
  • Vigorous Un-MuterCollect your first 100 naturals to start boosting the speed of your sonic bullets.33.3%