Various Cheats

Banana Bombs
This code doesn't do anything useful, but it does add some variety to your harpoons. Press Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, X, Up, Triangle, Down.

Double Time on Shark Attack
Hungry for more action? Press Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, L2, L2, L2, R1, R1, R1, R2, L1 and get ready for some serious eating.

No Currents
For an easier game, press Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, R1, L1, L2, R2, X.

Overhead Camera
For a top-down view, press Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, Triangle, Square, X, Square.

Reveal Map
To reveal everything on the overhead map, press Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, Square, X, Circle, X, Square.

Super Speed
Add some serious velocity to your Deep Rover with this code. Press Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, R1, R2, R1, R2, R1, R2.

Turn Off Cross-hairs and Information Panels To remove everything from your screen, press Down, X, Left, Square, Up, Up, Triangle, Triangle, Right, Right, Circle, Circle, Triangle, X, Up, Down.