Shark Tale

Invincible Oscar

Hold L and press A, X, A, Left, Left, Y, R, Down, Y, Y at the controller selection screen.

Attack Mode On At All Times

Hold L and press X(4 times), A, X(3 times) OR X(4 times), A, X(4 times).

Two Extra Clams and Fame

Hold L and press X, X, A, A, X, A, X, X.

Replace All Pearls with Fish King Coins

Hold L and press X, A, X, X, X, A, X, X.