Death Jr. 2: Root of Evil All weapon upgrades: Press Start to pause game play, then hold L and press Up(2), Down(2), Left, Right, Left, Right, X, Circle Refill ammunition: Press Start to pause game play, then hold L and press Triangle, Triangle, X, X, Square, Circle, Square, Circle, Down, Right. Unlimited ammunition: Press Start to pause game play, then hold L and press Triangle, Triangle, X, X, Square, Circle, Square, Circle, Right, Down. Invincibility: Press Start to pause game play, then hold L and press Up(2), Down(2), Left(2), Right(2), Square, Triangle.