Unlimited Shields
Go to the Cheats menu from the "Extras" at the main menu. Then, enter Triangle, Triangle, Square, Square, Square.

Unlock Animal ships
Go to the Cheats menu from the "Extras" at the main menu. Then, enter Triangle, Circle, Circle, Triangle, X.

Unlock Retro ships
Go to the Cheats menu from the "Extras" at the main menu. Then, enter X, Circle, Triangle, Square, X.

Unlock all features
Go to the Cheats menu from the "Extras" at the main menu. Then, enter X, Triangle, Circle, Triangle, Circle.

Unlimited ammo
Go to the Cheats menu from the "Extras" at the main menu. Then, enter Triangle, Circle, X, Circle, Square.