The gaming machine is constituted of a main body including a main display on which a game image is displayed and a sub display on which a portion of the game image is displayed in an enlarged manner, an aiming controller being configured to be movable over the main display and indicating an aiming position on the game image displayed on the main display, first display control means performing a display control of the game image on the main display, aiming position detection means detecting the aiming position on the game image indicated by the aiming controller, and second display control means performing an enlarged display control of a portion of the game image on the sub display such that the portion of the game image includes the aiming position detected by the aiming position detection means.