To provide a reel type game machine capable of enhancing the amusement of the play during a specific presentation period (a so-called assist time period).

If a prescribed condition for determination is satisfied during a specific presentation period, an extension announcing presentation to suggest that the specific presentation period will be extended is executed. Operation for a plurality of presentation operating means is effective during a prescribed period while the extension announcing presentation is executed, and when one of the plurality of presentation operating means is operated by a player, the extension announcing presentation is advanced according to an announcement presentation pattern corresponding to the operated presentation operating means.