Bowling game apparatus allowing even children of little strength to obtain high score by strikes and spares. The bowling game apparatus comprising an approach as an area where players roll a ball, a lane extending from the approach and on which the ball the players bowl rolls, a plurality of pins arranged and placed on the end of the lane and trough-like gutters is further provided with pin toppling means (20) for overturning several pins individually, bowling ball detectors (35) for detecting a ball rolling down the lane, controllers (41), (45) for timing the actuation of pin toppling means (20) to the collision of the ball with the pins on the basis of a detection signal from bowling ball detector (35) to overturn previous selection from the pins.