Select "Input Cheats" under the options menu. G = Green R = Red Y = Yellow B = Blue

Air Instruments B,Y,B,R,R,Y,G,Y
All HO/POs R,G,B,G,B,G,R,G
Always Slide Y,G,Y,Y,Y,R,B,R
Auto Kick Y,G,Y,B,B,R,B,R
Electrika Steel Unlocked B,B,R,Y,R,Y,B,B
Focus Mode Y,Y,G,G,R,R,B,B
HUD Free Mode G,R,G,R,Y,B,G,R
Invisible Characters G,R,Y,G,Y,B,Y,G
Most Characters Unlocked B,Y,G,Y,R,G,R,Y
Performance Mode Y,Y,B,G,B,R,R,R