It's a game that easily engrosses players, and the choice of music is very fitting. The scenery outside the window comes and goes swiftly, making one's gaze want to capture it, yet it can't keep up, harmonizing well with the mouse's tail effect. After a long time of chasing the scenery with your eyes, when tired, you can rest by watching your own mouse trail for a while. This alternating experience, aided by the music, prevents one from feeling bored.