Blazing Angels: Squadrons Of WWII

All campaign missions and planes
At the main menu, hold L2 + R2 and quickly press Square, L1, R1, Triangle(2), R1, L1, Square to unlock all campaign missions and planes.

Invincibility
Pause the game, then hold L2 and quickly press Square, Triangle(2), Square. Release L2, then hold R2 and quickly press Triangle, Square(2), Triangle. Repeat the code to disable its effect. Increased damage by weapons
Pause the game, then hold L2 and quickly press L1(2), R1. Release L2, then hold R2 and quickly press R1(2), L1. Repeat the code to disable its effect.

Vampire MK1
Unlock the Vampire during the game. Then at the main menu, hold L2 + R2 and press L1(2), Triangle(2), Square, L1 to unlock the Vampire MK1.

Ace Killer
Defeat all the other Aces to unlock Ace Killer.

Ace Of Aces
Get the highest score in all Campaign missions to unlock Ace Of Aces.