Enter the following codes at the 'Song Difficulty Selection' screen to unlock the corresponding effect. If the code has been entered correctly you will hear a confirmations sound.

Unlock Ladybugs Play Note:
Hold 'Start' and press Effector 1, Effector 3, Effector 2, Effector 4, Effector 4, Effector 2 then Effector 4.

Unlock Panic Play Note:
Hold 'Start' and press Effector 1, Effector 3, Effector 2, Effector 4, Effector 2, Effector 2 then Effector 4.

Unlock Speakers Play Note:
Hold 'Start' and press Effector 1, Effector 3, Effector 2, Effector 4, Effector 3, Effector 2 then Effector 4.

Unlock 4 Ztar Warz
Hold 'Start' and press Effector 1, Effector 3, Effector 2, Effector 4, Effector 1, Effector 2 then Effector 4. Unlock ALL Light Ruby Mix Songs:
Press Key 1, Effector 1, Key 2, Key 3, Key 4, Key 5.

Unlock ALL Normal Street Mix songs:
Hold 'Start' then press Key 1, Key 2, Effector 2, Key 3, Key 4, Key 5.

Unlock ALL E. Normal 7 Street Mix songs:
Hold 'Start' then press Key 1, Key 2, Key 3, Effector 3, Key 4, Key 5.

Unlock Sliding Mode:
Hold 'Start' and press Effector 2, Effector 1, Effector 3, Effector 4, Left Pedal, Right Pedal.

Unlock Extra Hard Radio Mix channel:
Select 'Hard Radio Mix' and then hold 'Start' and at the 'Channel Selection' screen press Effector 1, Effector 4, Key 1, Key 5, Key 3, Effector 2, Effector 3.