To give diversity to a game progress, there is provided a medal game system. The game system comprises a pusher mechanism constructed to have a medal fallen from an end of a table utilizing a reciprocating motion of a moving member. Changes are given to a progress of a game when the medal falling from a given position of the end is detected. The system comprises: a plurality of detecting devices which detect a fall of the medal from a plurality of mutually-different positions of the end; and an altering device which alters a combination of the plurality of the detecting devices functioning in an available state depending on the progress of the game.