Secret Weapons Over Normandy Enter the following at the Load Game menu. Invincibility: Press Up, Down, Left, Right, Left, Left, Right, Right, L1, L1, R1, R1, L2, R2 Unlimited ammo: Press Up, Right, Down, Left, Up, Right, Down, Left, L1, R1 Level select: Press Square, Square, Square, Circle, Circle, Circle, Triangle, Square, R2, R2, L2, L2 Big heads: Press Right, Up, Left, Down, Right, Up, Left, Down, Right, L1, R1, L1, R1 All instant action levels: Press Up, Down, Left, Right, L1, R1, L1, R1 All planes and missions: Press Triangle, Triangle, Triangle, Square, Square, Square, L1, R1, R2, R2, L2, L2 All environments: Press Down, Up, Up, Down, Left, Right, L1, R1, L1, R1 More instant replay views: Press Up, Down, Left, Right, R1, R1, L1, L1 Dornier 335: Completely beat the game (complete every secondary and bonus objective in each level). X-Wing: Beat every campaign and challenge mission. TIE Fighter: Beat every campaign and challenge mission.