Infinite ammo
At the title screen, press Black, White, L, R, click Right Analog-stick(2), press Y, X, then press Start. A sound confirms correct code entry, you may need to restart your XBox if this code doesn't input correctly.

Infinite turbo
At the title screen, press Up(2), Down(2), Left, Right, Left, Right, B, A, then press Start. A sound confirms correct code entry, you may need to restart your XBox if this code doesn't input correctly.

Invincibility
At the title screen, click Left Analog-stick, click Right Analog-stick, press Down, Left, Down, Left, B, Y, then press Start. A sound confirms correct code entry, you may need to restart your XBox if this code doesn't input correctly.

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

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

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

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

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

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

Fireshark gunboat:
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.

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

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

Kingdom Come Battle mode:
Successfully complete all levels in the "Baptism of Fire" act under the ensign difficulty setting.

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