To prevent the fault of a hopper, etc., from occurring by flown-in liquid such as a beverage from a coin feeding port by ejecting the liquid to the outside of a machine without allowing it to flow into the hopper.

In a game machine provided with a coin selector 23 for discriminating the authentication of coins and a coin guide 24 for guiding the coins discriminated to be authentic by the selector 23 to the hopper, a drain duct 28 for discharging the liquid flowing in from the coin feeding port to the outside of the machine is connected to the guide 24. The downstream end part of the duct 28 is connected to a cancel shoot 25.