To enable display relating to a bowling game and another game even to a player standing at an approach by arranging a plurality of display units whose display surface is a wall surface covering a pin setter at an upper part of a lane.
A pin setter 3 is provided with a pin camera 5 for pins 4 and a throw form camera 7 for image picking up the throw form of a player. At an intermediate position between pin sellers of adjacent two lanes a projector 1b is mounted, and at a masking support 9 a screen 1a for masking display serving also as a wall surface covering the pin setter is provided. A masking display 1 of projection type comprises the projector 1b and the screen 1a. A ceiling display is continuously arranged from the upper part of the masking display 1 to the ceiling. Accordingly, it is possible to display images giving high attention to all the people in a bowling alleys.