A plurality of game selection-enabled gaming machines, which implement a game on the basis of a unit gaming fee, are connected to a game providing server via a network. The game providing server includes a game program storage unit and a download unit for permitting downloading a game program of a type of game requested by the gaming machine. The respective gaming machines includes a unit gaming fee selection unit for enabling selection of a unit gaming fee from a plurality of candidates, a game type selection unit for enabling selection of a type of game from the game type candidates which accept the selected unit gaming fee, and a game program request unit for requesting the game program from the game providing server.