Enter the code on the Title Screen (the screen that says "press start button). You'll hear a gunshot if entered correctly. On the main menu, go into Police HQ, then Cheats to activate and deactivate the unlocked cheats. Target Range Challenges can also be found in the Police HQ section. Quick Game can be found on the main menu, and it allows you to play any level in the game, either one at a time or all levels in an Act.
|Enter on title screen: Circle, Up, Square, Triangle, Right, Down.||Unlock All Cheats, Target Range Challenges, and Quick Game Levels|