Extra option:
Complete and save the game on the normal difficulty setting to unlock an "Extra" option at the main menu.
Extra 2 option:
Complete and save the game on the hard difficulty setting to unlock an "Extra 2" option at the main menu.
Full double shot power-up
Pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, Square, Triangle. This can only be done a limited amount of times.
Full laser shot power-up
Pause the game and press Up, Up, Down, Down, Left, Right, Left, Right, X, Circle. This can only be done a limited amount of times.
If you have a better cheat please tell Click
here
