From the main menu, go to “Options”, then “Cheats”, then “Enter Cheat”. Then play the following notes, you must strum every note/chord.

(G=Green, R=Red, Y=Yellow, B=Blue, O=Orange)

Code Effect
(YB) (GY) (GY) (RB) (RB) (RY) (RY) (YB) (GY) (GY) (RB) (RB) (RY) (RY) (GY) (GY) (RY) (RY) Air Guitar
(GR) (GY) (YB) (RB) (BO) (YO) (RY) (RB) Easy Expert (makes the timing window bigger for hitting notes, Cannot be used in single career mode.)
O, B, O, Y, O, B, O, Y Hyperspeed
G, R, G, Y, G, B, G, O, G, B, G, Y, G, R, G, GR, RY, GR, YB, GR, BO, GR, YB, GR, RY, GR, GY Large Gems
(GR) B (GR) (GY) B (GY) (RY) O (RY) (GY) Y (GY) (GR) No Fail (does not work in career mode)
(RY) (RB) (RO) (RB) (RY) (GB) (RY) (RB) Performance Mode
(GR) (GR) (GR) (RY) (RY) (RB) (RB) (YB) (YO) (YO) (GR) (GR) (GR) (RY) (RY) (RB) (RB) (YB) (YO) (YO) Precision Mode
(YO) (RB) (RO) (GB) (RY) (YO) (RY) (RB) (GY) (GY) (YB) (YB) (YO) (YO) (YB) (YR) (RY) (RY) Unlock All Songs