To provide a game machine with high game properties, which allows a player to recognize a lid member as well as a wing opening/closing type game machine and to clearly visually recognize entrance of a game ball into a special winning area.

The pachinko game machine 1 has a large winning hole 22 with a shutter 22a, which is opened/closed between the opened state and the closed state. In the opened state, the play in a jackpot game state, in which the number of times of opening and the time of opening of the shutter 22a are advantageous to the player, and the play in a minor jackpot game state disadvantageous to the player are possible, and game balls can easily enter the winning hole. In the closed state, entrance of game balls into the winning hole is difficult. The shutter 22a is made of a transparent member, and the shutter 22a is set on a game board 10 which is also made of a transparent member. Accordingly, a seesaw 25, a special wining hole 26a and a specific winning hole 26b which constitute the internal structure of the large winning hole 22 can be clearly visibly recognized through the shutter 22a and the game board 10 around the shutter 22a.

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