To avoid simplification of game specifications by setting a plurality of game specifications in a game panel.

In the pachinko game machine, a vertical guide nail row group 22 forming a prize-winning route preferentially guiding game balls shot into a game part to a start hole 14 is formed by arranging a variable display device 4 in a center part of the game part 3 formed on a game panel face and vertically implanting a plurality of obstacle nails 7 in its side part area. A nail missing area 26 is provided by not providing one part of the obstacle nails 7 in the guide nail row group 22, a side wall portion 23a of a prize-winning device 23 having a rotor blade piece 23b is incorporated facing the nail missing area 26, and a new prize-winning route is formed by opening and closing of the rotor blade piece.