Guitar Hero II Cheats for PS2

Unlock Air Guitar
yellow, yellow, orange, blue, blue, yellow

Guitarist Has Flaming Head
At the main menu, quickly press Orange, Yellow, Orange(2), Yellow, Orange, Yellow(2). If you entered the code correctly, a message will appear. Repeat this code to disable its effect.

Guitarst Has Horse Head
At the main menu, quickly press blue, orange, yellow, orange, blue. If you entered the code correctly, a message will appear, repeat to disable.

Audience Has Eyeball Heads
On the main menu, (career, quik play, etc.) quickly press the following buttons on the neck of the guitar: Blue, Orange, Yellow, Orange, Yellow, Orange, Blue. A confirmation screen will pop up stating that the code is enabled. To disable simply enter the same buttons again.

Audience Has Monkey Heads
On the Main Menu, quickly press: Orange, Blue, Yellow, Yellow, Orange, Blue, Yellow, Yellow. a Confirmation will pop up to say that the code is enabled. to Disable: enter code again.

Hyper Mode (the Fret Bar Goes Faster)
On the Main Menu, quickly press: Orange, Blue, Orange, Yellow, Orange, Blue, Orange, Yellow. A confirmation will pop up to say that the code was enabled. to DISABLE:re-enter code. Another screen will pop-up to confirm this as well.

Performance Mode
Press Yellow, Yellow, Blue, Yellow, Yellow, Orange, Yellow, Yellow at the main menu. Everything disappears except for the performance.

Unlock Everything
Blue, Yellow, Orange, Red, Orange, Yellow, Red. Keep tapping Yellow, Red at the end until it activates.

Hyperspeed On or Off
Orange, Blue, Orange, Blue, Orange, Yellow