To provide a sense of security to a user in performing processing of such as charging and entry/exit management in a game facility.

A sense of uneasiness to leakage of information by radio is eliminated by conducting communication with the portable terminal 5 through a connector. Connection to the portable terminal by the connector is applied to each device of an entry/exit management, device 2, a game device 3, and a charging device 4 provided in the game facility 1. The entry/exit management device 2 includes an input/output connector on a management side 2a connected to a terminal of the portable terminal 5, a management database, and a management means. The game device 3 includes an input/output connector on a game side 3a connected to the terminal of the portable terminal 5, and a game control means. The charging device 4 includes an input/output connector on a charging side 4a connected to the terminal of the portable terminal 5, and a charging control means.

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