To provide a game machine capable of executing the unpredictable performance of a large volume.

The game machine includes: a reel which is installed inside a case body and provided with a cylindrical shape, wherein a plurality of symbols are drawn on the peripheral surface, at least a part of the peripheral surface is transparent and a gear tooth is formed on the peripheral surface; a motor which is provided with a gear on an output shaft and installed so that the gear is engaged with the gear tooth of the reel; and a support member for rotatably supporting the reel by coming in contact with the peripheral surface of the reel.