Misc Codes

EXTRA GAME
     when the game is loading, hold R1 and O buttons, then there will be CDs flying in the      screen, move up, left, down and right. When the game loaded next time, there will be an extra game. beat the game sit through the credits, in the upper right corner of the title screen you will see EXTRA(010) you now have all the planes and you can never loose them.

Invincibility
As the game starts pause it, then press down,circle,square,square,up,cross and start. You should now be invincible.