Dance Dance Revolution 3rd Mix Codes -

Step Step Revolution (SSR) mode:
Quickly press Left(3), Right(3), Left, Right at the title screen. Alternately, press Select at the title or mode selection screens after unlocking this mode during normal game play.

Remix mode:
Unlock SSR mode, then press Left(2), Right(2). Alternately, press Select(2) at the title or mode selection screens after unlocking this mode during normal game play.

Extra music:
Play the game in diet mode for several times, then exit. New information will appear. Repeat this to unlock even more music that can be also be played in nonstop and remix modes.