Finding Nemo Enter the following codes at the Title screen, then load a save or start a new game. Now pause during play and select the cheat option at the level select menu. Invincibility: Press Y, X, X, B, B ,B, Y, Y, X, X, X, B, B, B, B, X, Y, B, B, B, X, B, Y, B, B, X, B, B, Y, B, X, B, B, B, Y. Level Select: Press Y, Y, Y, X, X, B, X, Y, B, X, Y, X, Y, X, Y, B, Y, Y. Secret Level: Press Y, X, B, B, X, Y, Y, X, B, B, X, Y, Y, B, X, Y, X, B, B, X, Y. View Credits: Press Y, X, B, Y, Y, X, B, Y, X, B, Y, X, X, B, Y, X, B, Y, X, B, B, Y, X, B.