To provide a game machine capable of suitably raise a savor in a game.

In a game hall, an island device S is installed, with a large number of Pachinko machines 10 provided in the island device S. As management control means for managing each Pachinko machine 10, a hall computer HC is installed in the game hall. The hall computer HC is electrically connected with each Pachinko machine 10 and performs management processing on the basis of the information received from each Pachinko machine 10. In the island device S, outer-equipped devices EX are installed in the Pachinko machines 10 on a one-to-one basis. Each outer-equipped device EX is mounted in the upper part of the corresponding Pachinko machine 10, and is electrically connected to the hall computer HC as well as to the Pachinko machine 10. In an outer-equipped display device 301 of the respective outer-equipped devices EX, a presentation is performed for the purpose of announcing a high probability mode on the basis of a command outputted from the Pachinko machine 10.