Extra Explosion on Interceptor Missiles, Monster Wheels, and More:
Go to the title screen and access "Options". Highlight "Game Status" and press X.
Press X again at "Player 1", and X one more time to highlight "Sheila". Now press
L1+R1 simultaneously and enter any of these codes as shown. Press X when you are
done entering the code. You will hear a voice to confirm correct entry. Press
Square to go back to the main menu to begin your game.
Remove Delay Between Firing:
RAPID_FIRE
Extra Explosion on Interceptor Missiles:
LAST_FIRE
