Secret Weapons Over Normandy Cheat Codes for XBox

Invincibility
At the menu where it says new game press up,down,left,right,left,left,right,right,L,L,R,R,white,
black.*
* White and Black are the two small buttons at the bottom right of the controller.
submitted by: Sam Jaffe

Unlock X-Wing and TIE Fighter
To unlock the X-wing and Tie Fighter in Instant Action Mode, beat all 15 missions and all 22 challenge missions.

Levels Unlocked
Y, Y, Y, X, X, X, L, R, Black, Black, White White All Planes and

Big Head Mode
Right, Up, Left, Down, Right, Up, Left, Down, Right, L Button, R Button, L Button, R Button

God Mode
Up, Down, Left, Right, Left, Left, Right, Right, L, L, R, R, White, Black

Infinite Ammo
Up, Right, Down, Left, Up, Right, Down, Left, L Button, R Button

Unlock All Insta-action Stages
Up, Down, Left, Right, L, R, L, R