Hold Left + Square + L1 + L2 + R1 + R2 at the main menu. The words "Cheat Mode" will appear at the bottom of the screen to confirm correct code entry. Enter the options screen to access invincibility and stage select options. Alternately, hold Left + L1 + R2 + Square at the main menu.

Pause game play and press Right, Square, Triangle, Square, Triangle, X.

After completing a level and viewing the destruction bonus, quickly move to the exit. The screen will flash and a sound will confirm that the trick was done correctly. A shotgun or handgun will appear when the next level begins. If the game is in two player mode, each player will receive either weapon.