To provide a game machine performing presentation (or presentation mode) making it unclear that a current game status has a high winning probability game status or a low winning probability game status, the game machine fully exhibiting an effect caused by the presentation (or presentation mode) without reducing entertainment of a game.

A control unit 100 includes a presentation command transmitting device for transmitting a presentation command based on game data, and a presentation control device receiving the presentation command transmitted by the presentation command transmitting device, and controlling presentation based on the received presentation command. The presentation command includes a plurality of presentation commands, and any of the plurality of presentation commands is selected regardless of the low winning probability game status or high winning probability game status of the game. Further, a control device 100 has different selected rates of the plurality of presentation commands according to the game status, and the presentation command having the highest selection rate during the low winning probability game status, is made different from the presentation command having the lowest selection rate during the high winning probability game status.