Asteroids Cheats

Excalibur ship:
Hold Select and push Triangle, Circle(2), Triangle, Square, Circle, Square when "Press Start" flashes in the title prompt. You will hear the sound of an exploding asteroid if you have entered the code correctly.

Level select:
Hold Select and push Square, Triangle, Circle, Triangle(2), Square, Circle when "Press Start" flashes in the title prompt. You will hear the sound of an exploding asteroid if you have entered the code correctly. Then, press Select + Start while playing the game. Use the D-pad to select a new level and zone, as well as toggle collision detection. Press L1 to resume game play.

Original Asteroids mini-game:
Hold Select and push Circle(3), Triangle, Square(2), Circle when "Press Start" flashes in the title prompt. You will hear the sound of an exploding asteroid if you have entered the code correctly. Press Start and select the "Classic Asteroids" option on the main menu.

Extra life (Original Asteroids mini-game):
Press Start to pause your game, then push Up, Down, Left, Right, Circle, Square, X, Triangle.

99 lives (Original Asteroids mini-game):
Press Start to pause your game, then push Up, X, Down, Triangle, Left, Square, Right, Circle.

Invincibility (Original Asteroids mini-game):
Press Start to pause your game, then push Down(2), Up(2), Circle, Square, Triangle(2).