To unlock all campaigns and planes, hold down L2 and R2 at the main menu and quickly press Square, L1, R1, Triangle, Triangle, R1, L1, Square.
God mode
Pause game play, then hold L2 and quickly press Square, Triangle(2), Square. Then hold R2 and quickly press Triangle, Square(2), Triangle. Repeat the code to disable its effect.
Increased damage by weapons
Pause game play, then hold L2 and quickly press L1(2), R1. Then hold R2 and quickly press R1(2), L1. Repeat the code to disable its effect. Note: Enter this code three times in sequence to skip the current mission.
Prestige points
Pause game play, then hold L2 and quickly press L1, R1(2). Then hold R2 and quickly press R1, L1(2). You will get 2,000 prestige points. You can enter this code again while the game is paused to get more points. After entering this code five times in sequence, you will automatically complete the current mission with everything unlocked with an "Ace" rank. Note: If the "Increased damage by weapons" or "God mode" codes are active, enabling the "Prestige points" code four times will result in the mission completion.
Vampire MK1
Unlock the Vampire during game play. Then, hold L2 + R2 and press L1(2), Triangle(2), Square, L1 at the main menu.
All Missions and Planes...