Bonus level
Play a perfect game with no buildings bombed without enabling the cheats. The Sunset City, USA bonus level, with stealth bombers and helicopters will be unlocked.
Invincibility
Click on the word "PATROL" at the title screen in the order R, L, A, O, T, and P to enable cheat mode. Click on the "Invincibility" button, then type brokenbombs. Bombs will now have no effect on the buildings. Note: This cannot be used simultaneously with the "Unlimited ammunition" code.
Unlilited ammunition
Click on the word "PATROL" at the title screen in the order R, L, A, O, T, and P to enable cheat mode. Click on the "Infinite Ammo" button, then type tonsofgunsforyou. Note: This cannot be used simultaneously with the "Invincibility" code.
