Unlock ALL Missions and Planes:
At the Main menu hold the L trigger and R trigger together and then enter X, LB, RB, Y, Y, RB, LB, X. If the code has been entered correctly there will be a sound to confirm.

Unlock God Mode (Enemy Bullets Only):
During game play pause the game and hold the L trigger and then enter X, Y, Y, X. Then hold the R trigger and then enter Y, X, X, Y. If the code has been entered correctly a message will appear briefly on the screen. Enter the code again to disable it.

Unlock Increased Attack Power:
During game play pause the game and hold the L trigger and then enter LB, LB, RB. Then hold the R trigger and then enter RB, RB, LB. If the code has been entered correctly a message will appear briefly on the screen. Enter this code again to disable it.

Unlock Ace of Aces:
Get the highest score in ALL the Campaign missions.

Unlock Ace Killer:
Beat ALL the other Aces.