Invincibility
     At the Title screen, press Left Analog, Right Analog, Down, Left,
Down, Left, B, Y, Start.

Infinite Ammo
     At  the Title screen, press Black White L, R, Right Analog, Right
Analog, Y, X, Start.

Infinite Turbo
     At the Title screen, press Up, Up, Down, Down, Left, Right, Left,
Right, B, A, Start.

Cheat Mode
     At  the Title screen, press Up, Left, R, Y, Down, L, B, White, A,
Start.

All Boats
     At  the  Title  screen,  press Up, Down, Left, Right, L, B, X, X,
Right Analog, Start.

All Arenas
     At the Title screen, press X, Y, Up, Right, Left, Down, Up, Down,
L, L, Start.

All Battle Modes
     At the Title screen, press Y, A, X, B, Left Analog, Right Analog,
Black White R, R, Start.

Blood Ball Mode
     At  the  Title  screen,  press  X, Y, White Black B, A, Left, Up,
Right, Down, Start.

Rubber Duck Mode
     At  the  Title  screen,  press  Right  Analog, Left Analog, R, L,
Black, White, Up, Down, Left, Right, Start.

Import Boat Mode
     At  the  Title  screen, press Y, B, X, A, L, R, Left, Right, Left
Analog, Right Analog, Start.

Puffer Fish
     At the Title screen, press A, B, Black White, Y, X, Right Analog,
Right Analog, Left Analog, Left Analog, Start.