Guitar Freaks 9th Mix Cheats

You need operator access to get into the operator menu. Enter the Test Menu screen, and highlight "Game Option." Then on the 2P guitar, hold red + blue, and then hit 1P start. Enter the following codes, and the machine will say "REGISTRATION" if the code is accepted. Note that some machines will not save the password due to faulty Mix installation. Also remember to SAVE AND EXIT.