PLEASE NOTE: We take no responsibility for any changes you make to your hardware, software, drivers or O/S as a result of the cheats listed here. Only a few of the cheats listed have been tested and we cannot guarantee any of them will work. If you come across a bad/non-working cheat, please let us know and we will remove it.

Full health and ammunition
Each time this code is used your level will go down by one.
Pause the game and press L1, L1, L2, L2, L1, R1, L1, R1, R2, R1.
Disco mode
At the title screen press Up, Down, Down, X, Triangle, Left, Right, Square.

Once entered correctly you will hear the sound of an explosion. This mode makes all enemies into giant floating disco balls and the screen will flash all different colors. Finish the game in this mode youll get a surprise!
Alternate ending music
Finish the game on any difficulty setting and get an "A" rank on all five rescue missions to hear a different ending theme during the end credits.