The game system provides a game in which, by a player operating a touch panel when an object reaches a first determination line, the object can be hit back to a second determination line. The game machine includes a detection unit that detects tilting of the game machine. In a case that the detection unit detects tilting of the game machine when the player operates the touch panel, in a partial section of a moving path, the object moves at a moving speed that is set according to the tilting, and, in a remaining section, the object moves at a moving speed that is set so that the object moves from the first determination line to the second determination line in a setting time.