Enter the codes at the Start Game Screen:
Note! The L3 and R3 buttons are when you press Left or Right analog stick. If the code doesnt work, reset your X-Box and try again.
Cheat Mode:
Up, Left, R, Y, Down, L, B, White, A, Start.
Invincibility:
L3, R3, Down, Left, Down, Left, B, Y, Start.
Unlimited turbo:
Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start.
Unlimited ammo:
Black, White, L, R, R3, R3, Y, X, Start.
All Boats:
Up, Down, Left, Right, L, B, X, X, R3, Start.
All Arenas:
X, Y, Up, Right, Left, Down, Up, Down, L, L, Start.
Rubber duck mode:
R3, L3, R, L, Black, White, Up, Down, Left, Right, Start.
Blood ball mode:
X, Y, White, Black, B, A, Left, Up, Right, Down, Start.
Puffer Fish:
A, B, Black, White, Y, X, R3, R3, L3, L3. Start.
All Battle Modes:
Y, A, X, B, L3, R3, Black, White, R, R, Start.
Import boat:
Y, B, X, A, L, R, Left, Right, L3, R3, Start.