Abstract: The present invention provides a game information device or a system which allows even users having mobile phones of different types from each other to receive a uniform service respectively. A game information device which is configured to include a plurality of communication devices which respectively correspond to various types of mobile communication terminals, a memory which stores information on a game and an information providing modes for respective communication devices, and a controller which executes a control to transmit the same game information to respective mobile communication terminals via the communication devices with an information providing mode corresponding to types of the mobile communication terminals and a game information system which includes the game information device.