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Mega Man Xtreme

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Title Screen

Mega Man Xtreme

Also known as: Rockman X: Cyber Mission (JP)
Developer: Mitchell[1]
Publisher: Capcom
Platforms: Game Boy, Game Boy Color
Released in JP: October 20, 2000
Released in US: January 11, 2001
Released in EU: August 24, 2001
Released in AU: September 4, 2014 (3DS Virtual Console)

DevTextIcon.png This game has hidden development-related text.
GraphicsIcon.png This game has unused graphics.
LevelSelectIcon.png This game has a hidden level select.
RegionIcon.png This game has regional differences.

DCIcon.png This game has a Data Crystal page

Mega Man Xtreme is a Game Boy Color game containing slightly scaled-down stages, bosses and music from Mega Man X and Mega Man X2. Just like the Game Boy Mega Man games... but with a few tweaks.

Level Select

Mega Man Xtreme U GBC Stage Select.png

GameShark code 0101A8D3 or Game Genie code A87-93B-7FF will enable a level select menu. Simply, load a stage with the code on, and it will take you to the Level Select menu.

The top two numbers represent the stage, and the bottom numbers represent "checkpoints". You can only use 00~05 when selecting checkpoints, and selecting 05 for a checkpoint takes you directly to the boss.

Here is a list of the stages.

  • 00: Chill Penguin
  • 01: Spark Mandrill
  • 02: Armored Armadillo
  • 03: Storm Eagle
  • 04: Morph Moth
  • 05: Wheel Gator
  • 06: Magna Centipede
  • 07: Flame Stag
  • 08: Palace Grounds (Sigma Stage 1)
  • 09: Intro Stage
  • 0A: Sigma Base
  • 0B: (Same as 0A)
  • 0C: Sigma Stage 2
(Source: Dybbles, nensondubois)

Unused Graphics

Mockup of what it could have looked like in-game.


Loaded in Storm Eagle's stage, graphics of the broken window in the tower where the heart tank is found. They were probably only to be used when played on a Game Boy Color, in which case overlay graphics are used for the window and were to be replaced by these so the player could see inside. The final does not have the window break at all, so consequently, GBC players are not able to see through it while inside.

Build Information

This string is located at 0xFD387 (JP) / 0xFD9B6 (US/EU):

VER 0.09 2000 03 08

Unused SGB Palettes

Mega Man Xtreme U SGB Glitch Logo.png Mega Man Xtreme U SGB Bad Palette.PNG Mega Man Xetreme SGB Title.png Mega Man Xtreme U SGB In Game.png

By enabling the Super Game Boy flag located at 0x0146 and modifying it to 03, or using Game Genie code 031-46F-E6A, you can enable a Super Game Boy single blue palette. Super Game Boy programming appears to have been in active development and was discontinued right around the planning stages for the border. This disables the Super Game Boy border screensavers.

Notice how the "Licensed by Nintendo" screen is glitched-out when Super Game Boy features are enabled and that both X and the game logo in the title screen appear with inverted colors.

Regional Differences

Japan International
GB Rockman X 01.png Gbmmxtreme-title.png

The colors in the copyright info were also changed, due to it sharing the palette with the title logo. The "Press Start" was also changed, though this clearly doesn't seem intentional, as the lightest shade of grey is now an odd blue color that blends in with the background. The sequel uses the Japanese graphic in all regions.


For some reason, Vile is referred to as his Japanese name "VAVA" in the International versions. This error was not corrected in the Virtual Console re-release.