Modes
You can get Hyper Speed Mode by entering "Orange," "Blue," "Orange," "Yellow," "Orange," "Blue," "Orange" and "Yellow" on your "Guitar Hero II" instrument. You can use Performance Mode by entering "Yellow," "Yellow," "Blue," "Yellow," "Yellow," "Orange," "Yellow" and "Yellow" on your game guitar.
Crowd
You can turn all of the crows members into giant eyeballs by hitting "B," "O," "Y," "O," "Y," "O" and "B." The crowd members will have flames protruding from their heads if you enter "O," "Y," "O," "O," "Y," "O," "Y" and "Y." All of the crowd members turn into horses once you press "B," "O," "O," "B," "O," "O," "B," "O," "" and "B." The crowd members look like monkeys when you hit "Y," "Y," "B," "O," "Y," "Y," "B" and "O."
Other Functions
Press "Y," "Y," "B," "O," "Y" and "B" to get your icon to play air guitar on the screen. To unlock every song in the game, enter "B," Y," "O," "R," "O," "Y," "R," "Y," "R," "Y," "R," "Y," "R" and "Y."