All songs:
At the main menu, select "Options", then choose the "Credits" option. At the credits screen, press Up(2), Down(2), Left, Right, Left, Right, B, A, Up(2), Down(2), Left, Right, Left, Right, A, B on controller four to unlock all songs. If you entered the code correctly, you will hear a sound.
Hidden dancers:
At the main menu, select "Options", then choose the "Dancers" option. At the dancers screen, hold X + Y for approximately five seconds on controller four to unlock Konsento:03 and Maid-Zukin. If you entered the code correctly, you will hear a sound.
Credits mini-game:
While watching the game credits, match the directions at the top left of the screen.
Bonus songs:
.59 (Kyd Konami Mix) - Jesper Kyd: Successfully complete Istanbul Caf in Heavy mode.
G2 - Aya: Play 200 songs. Alternately, successfully complete the Extra 1 challenge.
GYRUSS (FULL TILT) - JT.1UP: Complete 50 songs.
I Feel... (T.O.Y. Remix) - T.O.Y.: Get over 12,000 points on the credits mini-game.
In My Eyes (Midihead Remix) - Midihead: Play 100 songs.
Make A Jam! (Dub/House Mix) - Big Idea: Win Make A Jam mode on all three difficulty settings.
MAX 300 (Super-Max-Me-Mix) - Jondi and Spesh: Get an "AAA" rank on any song. Alternately, successfully complete Maxx Unlimited mode in Heavy mode.
Midnight Special - Love Machineguns: Play 20 songs.
Toe Jam - Big Idea: Successfully complete Baile Le Samba in Heavy mode.
Zero One: Get an "AA" rank on any song.
