Activate the following cheats by pressing the corresponding sequences of buttons at the specified screen:
Cause more damage to enemies
Pause the game and hold L2, then press L1, L1, R1; next, release L2, hold down R2, and push the following: R1, R1, L1. To disable it, enter it a second time.
Pause the game. Hold L2, and press square, triangle, triangle, square; next, release L2, hold R2, and press triangle, square, square, triangle. To disable it, enter it a second time.
All campaign missions and planes
At the main menu, hold L2 + R2, and press square, L1, R1, triangle(2), R1, L1, square.
You must first unlock the Vampire during game play. Then, at the main menu hold L2 + R2 and press L1(2), triangle(2), square, L
2,000 Prestige points
Pause the game and hold L2, then press L1, R1(2). Then hold R2 and quickly press R1, L1(2). You will get 2,000 prestige 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 completing.