Unlock Classic Asteroids Mini-Game
Wait until 'Press Start' appears at the title screen, then hold Select and press Circle, Circle, Circle, Triangle, Square, Square, Circle. You will then hear the sound of an exploding asteroid as confirmation. Next, press Start and select the 'Classic Asteroids' option at the main menu.
Submitted by Joe. 

Go to: Asteroids Info Page | nGaming Home Page.