Upgraded Jet-Fighters
You must fly the fighter that you want the upgrade for and acquire enough kills for the unlock. For example, if you want the Super F-14, you must take out the F-14B, fly several missions, and acquire enough kills to get the F-14A. Take out the F-14A and fly several missions with it until you get enough kills to acquire the Super F-14. This applies to all aircraft.

Music Player
After completing the game, just go back to the title screen and go to options. The Music Player option will now be available. With this, you can listen to every single track from within the game.

Free Mission
Just like in Ace Combat 4, this game also gives you the option of the "Free Mission". When you have completed the game, go to the main screen and select Free Mission. You can now play any mission in the game, using any plane you have previously bought

Enemy Missiles
This cheat is only effective against enemy ground units. It is difficult to do and requires many practice runs. If you find yourself with a missile being shot at you, try to boost to the nearest enemy ground unit. Then, slow down and make sure not to go past the ground unit. As soon as you see the missile closing in on the radar, quickly boost towards the ground unit, and time it so that the missile will go past you and into the enemy unit. This is possible to accomplish with a lot of practice, but is extremely difficult to time correctly. Try using it on enemy ships first, as they are much larger than tanks. Then, work your way down the size scale until you can use it against all enemy ground or sea units. This will save you missiles if your ammunition is low, or you need to conserve as much as possible as in missions 16B, 12B, and 9.

Submarines & Battleships
It is a lot easier to fight submarines and battleships if you fly very close to the water, as they cannot hit you as easily. This is very effective if you also fly very fast. Just be careful not to crash into the water!!

Accurate View
If you switch into cockpit view in some planes, you can see the machine gun that you are firing and therefore be more accurate with it. Choice machine gun planes are the F5, which has two guns side by side, while the gun on the A10 is very powerful and accurate.

Auto-target Shift
Hold Triangle when locked onto an enemy. Your view will automatically shift so that you are looking at the target that you are chasing. This is especially useful in dogfights.

Arcade Mode
Finish all 16 stages in Arcade Mode. Afterwards, Mobius 1 will be able to pilot all 53 aircraft unlocked (paint schemes included) and bought in Campaign Mode but, with limited ammunition (20 missiles, 4 special weapons).

Difficulty settings
When you have completed the game, there are a few more difficulty settings that you can choose from. These are great if you completed the game with ease, and want more of a challenge!

Auto-pilot
Hold L2+R2 and the plane will go into auto pilot.

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