To facilitate the mounting of a ball repulsing body by reducing a mounting work process of the ball repulsing body on a design board face of a game board.

This game board 3 is so constituted that a guide rail 7 is formed with a shooting passage 19 which guides a ball P shot from a shooting mechanism 12 to a game area 16 and the game area 16 which allows the ball shot from the shooting passage to flow down by surrounding them in the design board face 4. The ball repulsing body 20 which repulses the ball to the game area by the collision of the ball shot from the shooting passage to the game area is provided with a groove having an open front, open left/right and a closed bottom, and the bottom of the groove is clamped between the guide rail 7 and the design board face 4.