Teenage Mutant Ninja Turtles: Mutant Melee Cheat Codes, and Secrets

Teenage Mutant Ninja Turtles: Mutant Melee is a 2005 fighting video game developed by Konami. It is based on the 2003 Teenage Mutant Ninja Turtles series.
Cheat codes, console commands, secrets:
Start the game using a code as the command line parameter (argument).
Don't know what a parameter means huh? Search on the web.

a) Running in a DOS box within the game dir:
ztmnt.exe -unlocked

b) Make a Winblows shortcut to ztmnt.exe which is in your game dir.
add to the end of the target box: -unlocked
like: "X:\....\ztmnt.exe" -unlocked

NOTE: Levels are unlocked until you exit the game.
Saving the game will NOT save unlocked levels, as far as we saw...
Cheat codes, console commands, secrets and system requirements for Teenage Mutant Ninja Turtles: Mutant Melee free online.

Game description

Xbox, GameCube, Windows, PlayStation 2
Game Developer:
Konami Hawaii
Game Genre:
Game Series:
Teenage Mutant Ninja Turtles
Game Mode:
Single-player, multiplayer
Game Publisher:
KonamiSeriesTeenage Mutant Ninja Turtles