Airforce
Delta
Bonus Fighters
Successfully complete all twenty missions to unlock the following fighters: Sea
Harrier, AV-8B Harrier II, F/A-18C Hornet, F-15E Strike Eagle, Su-27B Flanker,
Su-34 Platypus, S-37 Berkut, MiG-1.44 MFI. NOTE: To get the S-37, beat the game
on easy. To get the MFI, beat the game on normal.
Fly EE Lightening
Successfully complete the game at Hard difficulty.
Never lose money
After each mission save your game. If you lose your plane in the following
mission, reload what you saved and you'll have the plane you just lost and the
same amount of money.
Pass through objects
Pause the game before your plane hits an object. Then B + Y to change the camera
angle. Resume game.
Quick Money
Shoot down any required aerial target with guns and not missles and the bounty
you get for it doubles.
Remove text during replay
Hold X + Y during replay.
Special Options
Successfully complete all twenty missions under the normal difficulty setting to
unlock a "Special" selection on the options menu. The new options
allow unlimited missiles and the HUD display to be removed.