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Mega Man ZX

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Title Screen

Mega Man ZX

Also known as: Rockman ZX (JP)
Developer: Inti Creates
Publisher: Capcom
Platform: Nintendo DS
Released in JP: July 6, 2006
Released in US: September 12, 2006
Released in EU: June 22, 2007

GraphicsIcon.png This game has unused graphics.
ItemsIcon.png This game has unused items.
DebugIcon.png This game has debugging material.
RegionIcon.png This game has regional differences.

The Mega Man Zero series meets Super Metroid.

Unused Graphics

Model O

There are unused colored sprites of Model O in the game.

Not to be confused with Model Z.


The game itself uses a browned-out variation of one of the sprites, and the semi-Biometal itself is named "Mysterious Stone".

Though Model O is not obtainable in easy mode, using cheats to obtain it will use these sprites when Vent or Aile are saved from bottomless pits by the Biometal. This implies that Model O may have been intended to be obtained by defeating Omega in easy mode.


To do:
Upload the sprites.

Omega has some leftover frames of animation that were originally used in the final scene of Mega Man Zero 3 after he had been defeated. These can't be seen in-game without modifying the ROM.

Unused Item

The game contains several card keys, each with a color, but one of them, "White Card Key", is unused. Its description is "It doesn't take a genius to figure out this opens white doors." There are no doors that require its use.

Debug Room

Click to enlarge.

The game contains a debug room with several features for testing, which include normal surfaces, walls that can't be climbed, a slippery floor, a moving floor, a sinking area, one ladder, water, and spikes. The room can be accessed with the Action Replay code, 22160484 00000000.

Regional Differences

The Japanese version has all plot-relevant discussion with NPCs voiced, with full voice-acting. All of the other versions remove it completely. Also, all of the Japanese-language battle cries used during gameplay by the titular character (Like "Rock-on!" at every costume change), and most of the bosses' battle cries before their introduction are removed (with the exception of Promotheus/Pandora, and Omega).

Japan US/Europe
RMZX-Title.png MMZX.png

The "Rock On!" text on the title screen is also removed in non-Japanese versions of the game.