These are the Games cheats codes for the awesome Guitar Hero 3 on the Nintendo Wii. just go to the options screen then to the Games cheats section and play the following codes. Enjoy.

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

Games Cheat Effect;

Hyperspeed:
(YO) (RB) (RO) (GB) (RY) (YO) (RY) (RB) (GY) (GY) (YB) (YB) (YO) (YO) (YB)
Y R (RY) R Y O

Unlock all songs in Quick Play
RY) (RB) (RO) (RB) (RY) (GB) (RY) (RB) Performance Mode
GR) (GR) (GR) (RY) (RY) (RB) (RB) (YB) (YO) (YO) (GR) (GR) (GR) (RY) (R RB) (RB) (YB) (YO) (YO)

Precision Mode (BY) (GY) (GY) (RB) (RB) (RY) (RY) (BY) (GY) (GY) (RB) (RB) (RY) (RY) (GY) (GY) (RY) (RY) Air Guitar
(GR) B (GR) (GY) B (GY) (RY) O (RY) (GY) Y (GY) (GR) No Fail (does not

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) (GY) (YB) (RB) (BO) (YO) (RY) (RB) Easy Expert
(does not work in

Career mode)
(GRBO) (GRYB) (GRYO) (GYBO) (GRYB) (RYBO) (GRYB) (GYBO) (GRYB) (GRYO) (GRYO) (GRYB) (GRYO) Unlock Everything (no sound plays when you enter these chords)

Thanks I will be posting more cheats for guitar hero the exellent Guitar Hero 3.