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Mega Man: Robot Master Mayhem
Title Screen


Infinity Mugen Team


Infinity Wiki



Mega Man: Robot Master Mayhem is a MUGEN fullgame developed by the Infinity Mugen Team and released on December 25th, 2017 and updated a year later on the same day.


RMM utilizes a Marvel vs. Capcom styled gameplay, with chain combos and super jumps, with the addition of dodging and sliding maneuvers similar to the King of Fighters series. Unique to this games is the weaponset mechanic: made to mimic the main mechanic from the Mega Man games, characters can equip different weapons and swap them as needed by pressing down twice in any button. Each character comes with six weapons, each activated by a different button.



Added in Version 2.0

  • Guts Man
  • Ice Man (CPU-only in version 1.0)
  • Heat Man
  • Skull Man
  • Dr. Wily (Boss character in version 1.0)

Added in Version 2.5

  • Metal Man
  • Enker

Added in Version 3.0

  • Bass
  • Elec Man
  • Needle Man
  • Shadow Man
  • Pharaoh Man


  • Rush
  • Yellow Devil
  • Hyper Storm H
  • Metall Daddy
  • Metonger Z


  • Atmosphere City
  • Boneyard
  • Chemical Lab
  • Canyon
  • Circle Cutter
  • Courageous Heart
  • Cutter Arena
  • Dr. Light's Lab
  • Forgotten Factory
  • Furnace
  • Future HighWay
  • Galaxy Fantasy
  • Heart of Enker
  • Hidden Sniper
  • MegaMan's Realm
  • Metalworks
  • Mr. X Building
  • Pipe Tower
  • Proto Man Fortress
  • Rainy City
  • Shrine City
  • Skyline
  • Sky Ship
  • Sky Tower
  • Snake Tower
  • South Pole
  • Space Maze
  • Steel Mill
  • Symphony City
  • The Forest
  • The Time Portal
  • Tomb Entrance
  • Underground Refinery
  • Viral Infection
  • Waterfall
  • Waterfront
  • Wily Castle
  • Wily Castle Ruins
  • Wily Fortress Hall
  • Wily Fortress Laboratory
  • Wily Fortress Warehouse


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