In Crazy Music Line Christmas you control the line that the music plays. By clicking or tapping the line goes left or right. Try to take all turns, avoid obstacles and take the jumps. Once you are comfortable in the game, you can click on the beat so that you go through it in a nice flow. You can choose from 3 levels: grass, snow and stone. Each level has its own level of difficulty and its own song. Unlock them all.