Enter the following codes using the dance pad at the 'Mode Select' screen. If the code has been entered correctly you will hear a confirmation sound.

Disconnected (Hyper Mix) by Inspector:
Press K, L, R, U, D, L, L, R, R.

Infection by Inspector:
Press K, U, D, U, D, U, D, R, R, U.

Don't Promise Me (Happiness Comes Mix):
Press U, R, U, L, D, L, R, L, R

Tell by Symphonius Feat. Rossini:
Press D, L, U, U, R, R, D, L, D.

Bubble Dancer by Crispy:
Press R, L, L, R, U, D, D, L, L.

Anubis by Banzai:
Press L, D, U, L, D, D, R, R, U.

Disconnected Mobius:
Press L, D, R, D, U, R, D, L.

DJ Party by BB Hayes:
Press L, R, R, L, U, D, R, L, D.

Xuxa by Smiley:
Press R, U, D, D, R, D, U, L, D.

Pandemonium:
Press L, U, L, D, U, D, R, D, L.