To provide a game machine that can suppress a change of the direction of a shot game ball.

An elastic protrusion 322 which abuts on the front face of a game board 2 if the game board 2 is warped at least to the front face when a glass frame 3 is closed with respect to the game board 2 is arranged at the back face of the glass frame 3 which can be opened and closed with respect to the game board 2 having a game area 2A.