Rapid Fire
Go to the cheat codes menu and press Square, Triangle, X, Triangle, Circle

Get Unlimited Lives
Go to the cheat codes menu and press X, Square, Triangle, X, Square

Get Sights
Go to the cheat codes menu and press Circle, Circle, X, Triangle, Square

Get Super Shots
Go to the cheat codes menu and press Circle, Triangle, Triangle, Square, X

Get Bounces
Go to the cheat codes menu and press Circle, Square, Circle, Triangle, X

Get Snipe
Go to the cheat codes menu and press Square, Circle, X, Triangle, Circle