The game cannot be saved and some achievements cannot be earned when non-costume codes are enabled. Note: Enabling a costume code may prevent some intermissions sequences from being viewed. Enter one of the following codes to activate the corresponding cheat function.
While on board your ship between missions, select 'Extras', then the 'Enter Code' option. After gaining access to the Rogue Shadow, you will have the ability enable cheat codes. Alternately, successfully complete the first mission.
Then, enter one of the following codes to activate the corresponding cheat function. Pause the game, and select the 'Input Code' option.
