Unlock everything
At the options screen, hold L1 + L2 + R1 + R2 and press X, Up, X, Up, Down, Square.
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.
Starmine:
A circle with an "E" gives you energy; a circle with a "B" gives you bonus points;
and a circle with a star in it is obviously a star. every Time you get one, another
part of the word "STARMINE" lights up. Once you have completed the word, a
special star appears. You will know when you see it, as it is huge . If you detonate
this star, you go into Starmine. It is basically a way of getting a lot of points.
Alternate modes
When you beat the game in normal mode you unlock the extra mode that includes the Chain Attack. It also includes an ultra play video that shows you how to get more points and it lets you see your ranking. Also after you beat the game in hard mode you unlock the two extra mode in the extra mode menu. This includes another ultra play movie that shows you how to get a 400 chain. There is also a screen saver that plays a fireworks show for you, and a fireworks mode where you make your own fireworks show!
Extra option
Successfully complete and save the game on the normal difficulty setting to unlock an "Extra" option at the main menu.
Extra 2 option
Successfully complete and save the game on the hard difficulty setting to unlock an "Extra 2" option at the main menu.
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