G.I. Joe: The Rise of Cobra (Sony PSP)

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Cheat mode

Enter one of the following codes at the main menu or title screen to activate the corresponding cheat function. A sound effect or the phrase "Yo Joe!" will be heard to confirm correct code entry.

FunctionHow to unlock
Duke classic costumePress Left, Up, Square, Up, Right, Triangle.
Scarlett classic costumePress Right, Up, Down(2), Triangle.