Pause game play then press Up, Down, Left, Right, Up, Down, Left, Right, Up, Down, Left, Right, Up, Down, Left, Right, A, A, A, B, B, B, Select, Select, Select, Right, Right, Right, Up, Up, Up, Down, Down, Down, Left, Left, Left, A, B, B, A and the bottom of screen will turn green. Note: this code may only be enabled once per game.