To provide a game machine capable of eliminating the plugging inside a protection cover member with game balls as soon as possible when the protection cover member is plugged with game balls even if the game machine has the protection cover member for preventing entrance of game balls into a lottery device with a second-rated function.

In the pachinko machine, a transparent cover member 18b covering a game ball guiding device 37 has slits 33a and 33b into which an unplugging implement can be inserted. Accordingly, a game can be played without impairing the lottery function for a jackpot in the second-rated function because of the protection by the transparent cover member 18b in the pachinko machine with a so-called first-rated function and the second-rated function, and at the same time, the plugging with game balls can be eliminated as soon as possible by easily inserting the unplugging implement even if the game ball guiding device 37 should be plugged with game balls fed to the lottery means.

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