Play Options Menu
Press and hold left and right and press start after you insert your credits.
Trick Mode
Press down, down, down, left, left, right, right at the song select screen.
Maniac Mode
Press down, down, down, right, up, up, left at the song select screen.
Little Mode
Press left, down, right, down, left, down, right, down, up at the song select screen.
Mirror Mode
Press left, right, left, right, left, right, left, right, continue until u hear the konami sound at the song select screen.
Right Mode
Press right 8 times at the song select screen.
Left Mode
Press left 8 times at the song select screen.
Shuffle Mode
Press select, then up, down, left, right, down, up, right, left at the song select screen.
Hidden Mode
up, down, up, down, up, down, up, down, continue until u hear the konami sound at the song select screen.
Secret Characters
After you put your credits in, push and hold the left arrow. Then press and hold left and right and press start. For the other character, after you put your credits in, push and hold the right arrow. Then press and hold left and right and press start.