Santa Rockstar 4 is a skill game and from www.flash-gams.net. You need to choose the playing style: basic and rockstar. If you choose the basic style, you can use the keys ASDKL to hit the notes in the correct time. When your frost power is ready, hit the space bar key to double your points. But the other style, use the keys 1-5 to hold the strings and then press the Enter key to hit the notes in the correct time.