Monsters, Inc.: Scream Team Codes -

99 lives:
Hold L1 + R1, then press Circle(3), Triangle, Square, X, Triangle during game play.

Full health:
Hold L1 + R1, then press Circle(3), Square, Triangle, X, Triangle during game play.

Full scare meter:
Hold L1 + R1, then press Circle(3), Square(2), X, Triangle during game play.