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Megaman in the Mushroom Kingdom

Hack of Mega Man


Dr. Wily finally concedes that Mega Man may be too much for his evil robotic creations. Determined to get the best of the blue bomber, Dr. Wily contacts another famous villain, Bowser! Having combined their forces, Dr Wily and Bowser unleash their new destructive creations upon the Mushroom Kingdom. After hearing news of Wily’s new plan, Mega Man decides to travel to the Mushroom Kingdom himself to stop Wily again. Mega Man now finds himself in a strange new world filled with obstacles and locales very foreign to him. Fearless, Mega Man presses on to Super Mario’s old stomping grounds to defeat these new foes.

Mega Man in the MK is set in various classic Mario games. Including Super Mario Bros. 1, 2, 3 and World. Megaman faces off against Wily’s Bosses as well as Bowser’s minions. This being Super Mario’s World, he gladly helps out Mega Man by increasing his jumping power as well as outfitting the Blue Bomber with some of his old garbs.


  • The 6 main starting levels have had extensive level design and graphics modifications.
  • Every single enemy graphic had been changed in to a Mario themed bad guy.
  • Megaman can jump higher.
  • Every boss has been made easier, their shots do less damage, Megaman’s do more.
  • The first 2 of 4 Wily stages have had extensive graphic modifications but only minor level design tweaks (Game engine Constraints)
  • The last 2 of 4 Wily stages only undertook minor tweaks to make them less utterly frustrating. (Made easier)
  • Minor title screen edit, minor text edits here and there.
  • Symbols representing their respective powers have been put in place of letters in the pause/power menu. (A bomb symbol instead of a “B”, Fire ball instead of” F”)

ROM / ISO Information:

  • Mega Man (USA).nes - NOINTRO
  • CRC32: 5DED683E
  • MD5: 4D4FFDFE7979B5F06DEC2CF3563440AD
  • SHA-1: 2F88381557339A14C20428455F6991C1EB902C99
  • SHA-256: 58FB9EF0C14C2947332929B9330D56C38A78040FD388274C39EFD84E8D5446C7



RHDN Hack ImageRHDN Hack ImageRHDN Hack ImageRHDN Hack Image


ContributorType of contributionListed credit

User Review Information

Nice fusion. However...

Reviewed By: megaman_powered_down on 09 Jan 2011

Not so nice, unfortunately.

OK, so what do we have here? Mega Man got himself thrown into Mario’s universe.

At first glance, the hack looks very nice. Most of graphics were imported properly, and fits into the enemies. The hack makes bosses much easier to beat and changes terrain in some cases (the Ice man and Cut man boss battles). But they are easier to beat, and this is a really good thing, to me at least. Mega Man can also jump higher! That’s also a good thing. Thanks to that, I was able to escape death few times.

Level design here is… well… it depends. Some levels are really good, but others literally make you cry, bite your keyboard or pad. The bad thing is, that you can exploit extra life gains on some levels; This destroys the curve of difficulty.

Sad to say, but this game has some glitches: In the “Retro Kingdom” level, I somehow drowned in the water (i was pushed to the bottom of the screen), also in some levels enemies like to spawn at your position… that’s not cool. Always when I entered to boss battle room,there was glitches left(door often changes patterns)

But there’s another big problem, major slowdown. Sometimes, when there’s even not enemies game likes to run slow… About the glitches…My game reset after losing my life in 1st Wily stage…another glitch?

This hack is probably only addressed to Mega Man fans, not NES fans, or gamers. Because of it’s strange glitches…


  • Really nice Graphics
  • “Regular” enemies are now Mario themed enemies
  • Mega Man jumps higher
  • If you’re casual: Exploit 1-UPs
  • Bosses are made easier


  • Game likes to glitch…
  • hmm… nothing besides that? OK, maybe lack of new music…

Partial Score:

  • Gameplay: 6.5/10
  • Audio: NA/10
  • Video: 9/10

Reviewer’s Score:

Overall: 7.5/10

Recommended - Yes

User Reviews
Not good enoughLSM04 Mar 20221.0No
Megaman (1) in the Mushroom Kingdom - Buggy, but playablediablo66625 Feb 20221.0Yes
A good idea that was pretty fun, but could be a whole lot better.......Supergamerguy26 Jul 20201.0No
So I played this hack the other dayGoogie10 Feb 20201.0Yes
OutdatedRussianManSMWC03 Oct 20191.0No
A interesting take on two classics.Kallisto05 Feb 20171.0Yes
Too many odd glitches, but playableFrankensteinsRobot02 Sep 2013N/AYes
Nice fusion. However...megaman_powered_down09 Jan 2011N/AYes