A-Train
Unlimited money:
Press L1 + L2 + R1 + R2, then press Square + Triangle + Start at the title screen. The map selection screen will be displayed. Hold L1 + L2 + R1 + R2 and press Circle. A sound will confirm correct code entry. Pause game play and press Left, Right, Up, or Down to gain more money.
Ace Combat 2
Do the following to receive the bonuses.
Complete the Kingpin mission
Allows access to the Free Mission option
Complete the game with a rank of General
Gives you access to an option to view all the aircrafts
Hold Square during a replay
Locks the camera view
Highlight the Mission option on the mission selection screen, and press Select
Allows you to view the mission map in three new angles