Invincibility
At the title screen, click Left Analog-stick, click Right Analog-stick, press Down, Left, Down, Left, B, Y, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Infinite ammunition
At the title screen, press Black, White, L, R, click Right Analog-stick(2), press Y, X, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Infinite turbo
At the title screen, press Up(2), Down(2), Left, Right, Left, Right, B, A, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

All boats
At the title screen, press Up, Down, Left, Right, L, B, X(2), click Right Analog-stick, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

All arenas
At the title screen, press X, Y, Up, Right, Left, Down, Up, Down, L(2), then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

All battle modes
At the title screen, press Y, A, X, B, click Left Analog-stick, click Right Analog-stick, Black, White, R(2), then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Blood ball mode
At the title screen, press X, Y, White, Black, B, A, Left, Up, Right, Down, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Rubber duck mode
At the title screen, click Right Analog-stick, click Left Analog-stick, R, L, Black, White, Up, Down, Left, Right, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Import boat mode
At the title screen, press Y, B, X, A, L, R, Left, Right, click Left Analog-stick, click Right Analog-stick, then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Puffer Fish
At the title screen, press A, B, Black, White, Y, X, click Right Analog-stick(2), click Left Analog-stick(2), then press Start. If you entered the code correctly, you will hear a sound. Note: If the code does not activate the first time, reset the Xbox and try again. To enter another code, remain on this screen until the game returns to the title screen on its own.

Fireshark gunboat
Successfully complete the "Up The Nagau" level, on the ensign difficulty setting to unlock the Fireshark gunboat.

Guncat catamaran
Successfully complete the "Protection Racket" level on the ensign difficulty setting to unlock the Guncat catamaran.

Gunshark gunboat
Successfully complete the "Ships In The Night" level on the ensign difficulty setting to unlock the Gunshark gunboat.

Jackal Devil boat
Successfully complete the "Assault On Black Moon" level on the ensign difficulty setting to unlock the Jackal Devil boat.

Lightning speedboat
Successfully complete the "A Friend In Need" level on the ensign difficulty setting to unlock the Lightning speedboat.

Pike speedboat
Successfully complete the "Payment Is Due" level on the ensign difficulty setting to unlock the Pike speedboat.

Salamander speedboat
Successfully complete the "Fish In A Barrel" level on the ensign difficulty setting to unlock the Salamander speedboat.

Switchblade hydroplane
Successfully complete the "Gladiator" level on the ensign difficulty setting to unlock the Switchblade hydroplane.

Tigershark gunboat
Successfully complete the "Sampan Surprise" level on the ensign difficulty setting to unlock Clanbake Battle mode.

Clanbake Battle mode
Successfully complete the "A Poke In The Eye" level on the ensign difficulty setting to unlock the .

Kingdom Come Battle mode
Successfully complete all levels in the "Baptism of Fire" act on the ensign difficulty setting to unlock Kingdom Come Battle mode.

Metal Massacre Battle mode
Successfully complete the "Hurricane Of Fire" level on the ensign difficulty setting to unlock Metal Massacre Battle mode.