To provide a Pachinko game machine which recycles game balls without using electric power, is of a simple configuration and hardly goes out of order.

The Pachinko game machine 10 includes: a game board 16 having a prize winning port 12, a jackpot prize winning port 13 and an out port 14 which are opened in a game area 11, and a ball discharge port 15 opened below the game area 11; a shooting means 17 for shooting game balls P to the game area 11 in the game board 16; and an upper receiving tray 18 placed on a front side of the game board 16 so as to store the game balls P discharged through the ball discharge port 15. The Pachinko game machine further includes a guide member 19 for guiding, to the ball discharge port 15, the game balls P shot by the shooting means 17 and entering the prize winning port 12, the jackpot prize winning port 13 or the out port 14 and moving to the back surface side of the game board 16, and provided in an area lower than the prize winning port 12, the jackpot prize winning port 13 and the out port 14 on the back surface side of the game board 16 and higher than the ball discharge port 15.