Mega Man: Robot Master Mayhem is a fanmade fighting game made on the M.U.G.E.N fighting game engine, developed by the Infinity Mugen Team and released on December 25th, 2017. The latest build 3.0 was released on January 1st 2020 with additional content being postponed due to the 2020 global pandemic. Support for the game will be carried into 2021.


According to the game's intro after you pick a character, Dr. Wily came up with a new plan which involves using Quint, who opens a rift in the time-space continuum and brings Robot Masters from both past and future to attack all major capitals, threatening to destroy them if his demands aren't met.


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.






  • Atmosphere City (Air Man)
  • Boneyard (Skull Man)
  • Canyon (Guts Man)
  • Chemical Lab (Burst Man)
  • Circle Cutter (Ring Man)
  • Courageous Heart (Duo)
  • Cutter Arena (Cut Man)
  • Dr. Light's Lab (Roll)
  • Forgotten Factory (Junk Man)
  • Furnace (Heat Man)
  • Future HighWay (X)
  • Galaxy Fantasy (Galaxy Man)
  • Heart of Enker (Enker)
  • Hidden Sniper (Proto Man)
  • MegaMan's Realm
  • Metalworks (Metal Man)
  • Mr. X Building
  • Old Temple (Shadow Man)
  • Pipe Tower (Crash Man)
  • Power Plant (Elec Man)
  • Proto Man Fortress (Dark Man)
  • Rainy City (Toad Man)
  • Shrine City (Tengu Man)
  • Skyline (Needle Man)
  • Sky Ship (Rush)
  • Sky Tower (Top Man)
  • Snake Tower (Snake Man)
  • South Pole (Ice Man)
  • Space Maze (Astro Man)
  • Steel Mill (Fire Man)
  • Symphony City (Mega Man)
  • The Forest (Wood Man)
  • The Time Portal (Quint)
  • Tomb Entrance (Pharaoh Man)
  • Underground Refinery (Hyper Storm H)
  • Viral Infection
  • Waterfall (Bubble Man)
  • Waterfront (Dive Man)
  • Wily Castle (Bass)
  • Wily Castle Ruins
  • Wily Fortress Hall (Met bosses)
  • Wily Fortress Laboratory (Dr. Wily)
  • Wily Fortress Warehouse (Yellow Devil)


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