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 on controller four. If you entered the code correctly, you will hear a sound.

Play at least 100 songs to unlock the Colors (For Extreme) song. Note: They do not need to be cleared.

Get an "AA" rank on any song to unlock the Graduistic Cyber song.

Get a rank of at least "C" on Healing Vision on all difficulty settings to unlock the Healing Vision (Angelic Mix) song.

Get an "AAA" rank on any song. Alternately, win Max300 on roulette and then clear it to unlock the Max300 song.

Get an "A" rank on any song to unlock the MGS2 Mission R song.

Play at least 300 songs. Note: They do not need to be cleared.

Get a rank of at least "C" on Paranoia Eternal on all difficulty settings to unlock the Paranoia Rebirth song.

Intentionally fail any song to unlock the Put Your Faith In Me (Saturday Night Mix) song.

Get a rank of at least "C" on Sana Mollete Ne Ente on all difficulty settings to unlock the Sana Mollete Ne Ente (BLT Style) song.