Get Jackal Boat:
Use the ensign difficulty level and finish the Assault on Black Moon Level

Get Guncat Catamaran:
Use the ensign difficulty level and finish the Protection racket Level

Get Fireshark Gunboat:
Use the ensign difficulty level and finish the Up the Nagau Level

Get Lightning Speedboat:
Use the ensign difficulty level and finish the A Friend In Need Level

Get Salamander Speedboat:
Use the ensign difficulty level and finish the Fish in a Barrel Level

Get Tigershark Gunboat:
Use the ensign difficulty level and finish the Sampan Surprise Level

Get Pike Speedboat:
Use the ensign difficulty level and finish the Payment is Due Level

Get Gunshark Gunboat:
Use the ensign difficulty level and finish the Ships in the Night Level

Get Kingdom Come Battle Mode:
Use the ensign difficulty level and finish the Baptism of Fire Level

Get Metal Massacre Battle Mode:
Use the ensign difficulty level and finish the Hurricane of Fire Level

Get Clanbake Battle Mode:
Use the ensign difficulty level and finish the A poke in the Eye Level

Cheat Mode: (Must Be On)
At the title screen, press Up, Left, R, Y, Down, L, B, White, A, Start. If the code was entered correctly, you will hear a sound. If the code did not work, reset the Xbox and try again.

Invincibility:
At the title screen, press Left Analog Stick, Right Analog Stick, Down, Left, B, Y, Start. If the code was entered correctly, you will hear a sound. If the code did not work, reset the Xbox and try again.

Infinite Ammo:
At the title screen, press Black, White, L, R, Right Analog Stick, Right Analog Stick, Y, X, Start. If the code was entered correctly, you will hear a sound. If the code did not work, reset the Xbox and try again.

Infinite Turbo:
At the title screen, press Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start. If the code was entered correctly, you will hear a sound. If the code did not work, reset the Xbox and try again.

All Boats:
At the title screen, press Up, Down, Left, Right, L, B, X, X, Right Analog Stick, Start. If the code was entered correctly, you will hear a sound. If the code did not work, reset the Xbox and try again.