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Mega Man Network Transmission

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Title Screen

Mega Man Network Transmission

Also known as: Rockman.EXE Transmission (JP)
Developer: Arika
Publisher: Capcom
Platform: GameCube
Released in JP: March 6, 2003
Released in US: June 17, 2003
Released in EU: June 27, 2003

CodeIcon.png This game has unused code.
DevTextIcon.png This game has hidden development-related text.
GraphicsIcon.png This game has unused graphics.
DebugIcon.png This game has debugging material.
RegionIcon.png This game has regional differences.

NotesIcon.png This game has a notes page

Mega Man Network Transmission is the estranged cousin of the Battle Network series. Returning to the series' roots, the developers hoped to show a new generation of Mega Man fans the joys of a platforming title... and instead created an unintentionally challenging monster of a game that rivals even the most grueling of classic titles.

To do:
  • Look into whether LightMap files are used.
  • Document the many unlocalized text (not the dialogue)


Miscellaneous tidbits that are interesting enough to point out here.

Unused Graphics

Present in /EnvMap/, these were likely used for graphical testing. Interestingly, the second image seems to be a picture of Chicago, with the John Hancock Center on the far left.

Debug Menu

Motion Test

Mega Man Network Transmission-Motion Test-GREE08 2023-11-07 22-52-35.png
There is an unused Motion Test debug menu which shows animations for different models in the game. There is no text so all options are invisible.

It can be accessed with the following Action Replay code:

Action Replay
Motion Test replaces Talk menu
042C4040 3BC00007
040B6DB4 3bc00007
To do:
Check if controller ports 2-4 do anything unique.

The controls for said menu are as follows:

  • Initial Menu
    • Control Stick, D-Pad: Up goes up by one, Down goes down by one, Left goes up one page, Right goes down one page.
    • A: Selects model.
    • Start: Goes back to previous menu, will softlock if not viewing model.
  • Motion Test: Model Viewer
    • B: Changes background color.
    • L, R: R increments animation by one, L decrements animation by one.
    • X, Z: Plays current animation.
    • C-Stick: C-Stick Left slows down then stops animation, C-Stick Right speeds up animation, any other direction on the C-stick will return it to default speed.
(Source: MegaRockEXE (code))

Developer Tools

In various folders, especially those marked test, there are a few reoccurring developer tools:


  • EnvTexMake.bat
  • RockmanPicConv.exe


  • LightTexMap.bat
  • RockmanPicConv.exe


  • pack.bat
  • packPAL.bat


  • pack.bat

Developer Text

Present in Boot.dol are some remnants of a debug menu:

movie test layer
motion test
sound test
chip spply test
area select
message test

Regional Differences

Title Screen

JapanNorth America
RockmanEXETM-title.pngMega Man Network Transmission-title.png

The logo got a different design in the international title screen. In the European versions, the credit for Capcom USA was removed.

Other Differences

  • At the start of the game, the Japanese version has a start-up warning about eye strain, seizures, and the importance of taking breaks; this screen was removed for the international versions.
  • In the Japanese version, leaving the title screen idle for some time will show the first opening from the anime.
  • Some voiced lines that involves Japanese names and terms were removed in the international versions. Voice clips where Lan says "Rockman" are removed since all the voice acting is in Japanese for all versions. The first part of ProtoMan's introduction cutscene also has voice acting removed to remove an instance of "Blues". Additionally, Lan's voiced monologue at the start and end of the game was removed.