Enter these codes on the Guitar controller at the main menu:
Invisible Guitar - Yellow, Yellow, Blue, Orange, Yellow, Blue
Increase Track Speed - Orange, Blue, Orange, Yellow, Orange, Blue, Orange, Yellow
Head on Fire - Orange, Yellow, Orange, Orange, Yellow, Orange, Yellow, Yellow
Heads are Horses - Blue, Orange, Orange, Blue, Orange, Orange, Blue, Orange, Orange, Blue
Crowd of Eyeballs - Blue, Orange, Yellow, Orange, Yellow, Orange, Blue
Crowd of Monkeys - Orange, Blue, Yellow, Yellow, Orange, Blue, Yellow, Yellow
Performance Mode - Yellow, Yellow, Blue, Yellow, Yellow, Orange, Yellow, Yellow
