Level Select
     At  the  Title  screen,  hold L1 + L2 + R1 + R2 and press Up, Up,
Down, Down, Triangle, X, X.

Infinite Health
     At  the  Title screen, hold L1 + L2 + R1 + R2 and press Triangle,
X, X, Up, Up, Down.

Infinite Air
     At  the  Title  screen,  hold L1 + L2 + R1 + R2 and press Square,
Square, Triangle, X, Circle.

All Vitalits and Levels
     At  the  Title  screen,  hold  L1  + L2 + R1 + R2 and press X, X,
Circle, Circle, X, Circle, Up, Down, Down.

Swim with a Group
     At  the  Title screen, hold L1 + L2 + R1 + R2 and press X, Up, X,
Down, X, Triangle.