| Silent Scope |
| At the main menu select Arcade mode, then enter any of the following codes at the mode select screen. You'll here a specail sound effect if the code is correctly put in. No crosshairs- Right, Right, Right, Square Heart-shaped scope- Left, Right, Rightt, Square, Triangle No scope at all- Right, Down,Right, Square, Right, Down, Right, Square Rest of the screen turns black when looking through the scope- Down, Triangle, Up, Square, Triangle, Down, Right, Down, Right, Square, Triangle In-Game Codes At any time during gameplay press start then enter the code bellow. After entering the code you will immediately here a specail effect sound. -5 Seconds +1/2 life- Triangle. X. Right. Left, Right, Left, O, X, Right, Left, Right, Left, Down, Down, Up, Up +5 seconds, - 1/2 life- Up, Up, Down, Down, Left, Right, Left, Right, X, O |
| Secret codes |