At the title screen, press Left, Up, Left, Up, Left, Up, Left, Up, Y, Start.

At the title screen, press B, Y, Y, Down, R, Y, Up, Left, Left + Start.

Play all the songs once. Then at the stage selection screen, hold Select while choosing a song. But cannot be done in beginner mode.

Accumulate the indicated amount of game play to unlock the corresponding song type:

Cute: 2 hours
New Fork: 2.5 hours
Sexy Girls: 3 hours
J. Garage Pop: 5 hours
Lounge: 4.5 hours
J-R&B: 4 hours
Akiba: 6 hours
Live: 6.5 hours
Avangrade: 7 hours

Rally mode, survival mode, and 5 or 7 buttons option
Accumulate over five hours of game play.