While playing the game, press Square, X(2), Square, Triangle(2), Square, Circle(2), Square, R3. If you entered the code correctly, you will hear a sound. Although you will lose health you cannot die.

While playing the game, press Triangle, Square(2), Triangle, Circle(2), Triangle, X(2), Triangle, R3. If you entered the code correctly, you will hear a sound.

While playing the game, press X(2), Square(2), Triangle(2), Circle(2), Triangle(2), Square(2), X(2), R3. If you entered the code correctly, you will hear a sound. You will gain double reflex with every kill.

While playing the game, press X, Square, Circle, Square, X, Triangle, X, Triangle, X, Square, Circle(2), Square, R3 to unlock Wolverine's classic blue and yellow costume. If you entered the code correctly, you will hear a sound. Then, exit to the main menu, and switch costumes.

Successfully complete the game to unlock the Berserk difficulty. You can start a new game session with the completed game file on any difficulty, including Berserk, with all previously earned experience and skills.