Asteroids

On the Title Screen when PRESS START is flashing Hold Select and press the following buttons in order. You will hear a sfx prompt, when the cheat is activated.

Square Triangle Circle Triangle Triangle Square Circle

Once in the game, you can change levels and zones and turn collision off by:
1. During game play, press Select and Start simultaneously
2. Select level, zone, and collision state using the directional pad
3. Press L1

Circle Circle Circle Triangle Square Square Circle.