Use the camera controls to zoom in or out.
Use the pump controls to pump up and release completely an effect.
Use the right stick to crank up an effect.
Read the... Help Screen.
Issue any two button combo.
Watch the demo mode to the end.
Look at Rob dancing.
Dance with four elephants around the chair.
Upload some music to your system, play that music while playing with detuned, and maximize one of the distortive sound effects.
Use all Modes at least once in a session.