A game device of the present invention has a defining part for defining an opening to allow a prize to fall, an operation part for receiving input information, a prize support member for supporting the prize, wherein the prize support member is configured to be operable by that the operation part receives the input information, and an operation control unit for controlling movement of the prize support member. The prize support member is provided above the opening so as to expose the opening. This makes it possible to provide a game device which is capable of effectively utilizing a space inside a housing and having enhanced amusement.