Cheat Codes:
First, press the following button combination:
Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle. You will now be able to enter any of the following codes to access the desired cheat.
Full Map: Square, X, Circle, X, Square.
Overhead View:
Triangle, Square, X, Square.
More Shark Attack Time:
L2, L2, L2, R1, R1, R1, R2, L1.
Turbo Mode: R1, R2, R1, R2, R1, R2.
Disable Currents:
R1, L1, L2, R2, X.
Full Screen Display:
Triangle, X, Up, Down.
Banana Harpoons:
X, Up, Triangle, Down.
All Weapons:
Down, X, Left, Square, Up, Up, Triangle, Triangle, Up, Up, Circle, Circle, R1, R1, R1, R1, L1, L1, L1, L1, R2, R2, R2, R2, L2, L2, L2, L2.
Level Select:
Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, Down, Right, Up, Left, Triangle, X.
Extra Gold:
Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, R1, R2, L1, L2, R1, R2, L1, L2.