To improve a player's interest by executing a novel game in a game machine that includes a variation display device for displaying a variation display game for variably displaying a plurality of pieces of identification information, based on winning of a game ball to a start winning opening and generates a special game state for giving a game value to a player when the variation display game results in a predetermined special result.

An operation state selection means (game control unit 100) is constituted such that a selection ratio of an operation state in a second start winning hole differs when a next variation display game results in a special result, based on a probability state and an operation state of the second start winning hole (usual variable winning device 37) after completion of a special game state. Further, a performance control means (performance control unit 300) selects a performance state as a performance state after completion of the special game state according to an operation state of the second start winning hole selected based on the special result triggering occurrence of the special game state.