Blazing Angels: Squadrons of WWII Cheats

All campaign missions and planes:
Hold L2 + R2 at the main menu then quickly press Square, L1, R1, Triangle, Triangle, R1, L1, Square.

Invincibility:
Press Start to pause game play, then hold L2 and quickly press Square, Triangle, Triangle, Square. Release L2, then hold R2 and quickly press Triangle, Square, Square, Triangle. Release R2. Repeat the code to disable its effect.

Increased damage by weapons:
Press Start to pause game play, then hold L2 and quickly press L1, L1, R1. Release L2, then hold R2 and quickly press R1, R1, L1. Release R2. Repeat the code to disable its effect.