To provide a bowling game system capable of displaying a total rank by automatically storing and compiling scores for every frames of players playing a game at separate lanes.

This bowling game system includes blowing lane control devices provided for every lane, and a bowling game system control device connected to the respective bowling lane control devices and managing the scores of the respective lanes; each bowling lane control device has a display part displaying scores to a player; and the bowling game system control device has a means 1 for totaling the scores of the respective lanes, and a means 2 for displaying the total rank of the scores of players playing simultaneously on the display part of each blowing lane control device. The bowling game system control device is further has a means 3 for predicting a score of the next throwing of a specific player based on the average of the scores till the previous frame and displaying it on the display part of each bowling lane control device.