Unlimited ammunition:
Press Black, White, L, R, click Right Analog-stick(2), press Y, X at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

Unlimited turbo:
Press Up(2), Down(2), Left, Right, Left, Right, B, A at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

Invincibility:
Click Left Analog-stick, click Right Analog-stick, press Down, Left, Down, Left, B, Y at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

All boats:
Press Up, Down, Left, Right, L, B, X(2), click Right Analog-stick at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

All levels:
Press X, Y, Up, Right, Left, Down, Up, Down, L(2) at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

Blood Ball mode:
Press X, Y, White, Black, B, A, Left, Up, Right, Down at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

Puffer Fish:
Press A, B, Black, White, Y, X, click Right Analog-stick(2), click Left Analog-stick(2) at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

Rubber duck mode:
Click Right Analog-stick, click Left Analog-stick, R, L, Black, White, Up, Down, Left, Right at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

Import boat mode:
Press Y, B, X, A, L, R, Left, Right, click Left Analog-stick, click Right Analog-stick at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

All battle modes:
Press Y, A, X, B, click Left Analog-stick, click Right Analog-stick, Black, White, R(2) at the "Start Game" screen, then press Start. A sound will confirm correct code entry. 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 "Start Game" screen on its own.

Basilisk:
Successfully complete the "Protection Racket" level under the captain difficulty setting.

Fireshark:
Successfully complete the "Up The Nagau" level under the ensign difficulty setting.

Guncat Catamaran:
Successfully complete the "Protection Racket" level under the ensign difficulty setting.

Gunshark:
Successfully complete the "Ships In The Night" level under the ensign difficulty setting.

Hellcat Catamaran:
Successfully complete the "The Gauntlet" level under the ensign difficulty setting.

Hydroplane Switchblade:
Successfully complete the "The Gladiator" level under the ensign difficulty setting.

Jackal:
Successfully complete the "Assault On Black Moon" level under the ensign difficulty setting.

Lightning:
Successfully complete the "A Friend In Need" level under the ensign difficulty setting.

Pike:
Successfully complete the "Payment Is due" level under the ensign difficulty setting.

Salamander:
Successfully complete the "Fish In A Barrel" level under the ensign difficulty setting.

Tigershark:
Successfully complete the "Sampan Surprise" level under the ensign difficulty setting.

Switchblade hydroplane:
Successfully complete the "Gladiator" level under the ensign difficulty setting.

Kingdom Come Battle Mode:
Successfully complete the "Baptism Of Fire" level under the ensign difficulty setting.

Clanbake Battle Mode:
Successfully complete the "A Poke In The Eye" level under the ensign difficulty setting.

Metal Massacre Battle Mode:
Successfully complete the "Hurrican Of Fire" level under the ensign difficulty setting.