| 摘要 |
PROBLEM TO BE SOLVED: To improve a working rate and amusement property by changing the big hit probability of a special pattern game which is started by means of the prize winning or passage of a ball in a prize winning passage part by making the ball pass through a specified area except the prize winning passage part within a prescribed time after starting. SOLUTION: When a game ball wins a prize or executes passing in a special pattern start port 114, the special pattern game is started. When the game ball passes through operation gates 116 and 117 for a prescribed time from the start time of the special pattern game, for example, till about 20 seconds elapse, the number of effective lines in the special pattern game is decided. A big hit probability is made to be up in accordance with the increase of the effective line number. Thus, the number of the effective lines is increased at the time of within a limit time before stopping the final pattern, the big hit probability is made to be up and game property is imparted. Besides, hitting is continued even in a situation where new game ball hitting is stopped so that an effect for enhancing the work rate is obtained. |
