| 摘要 |
PROBLEM TO BE SOLVED: To objectively and statistically confirm easiness in the establishment of timing to operate a pattern display device, and to utilize it for adjusting nails, or the like, on a game area on the side of a game parlor. SOLUTION: A game machine is provided with an overflow ball counting means 104 for counting and integrating a number of overflow balls, with which a number of held balls counted by a held ball counting means 103 for storing held balls (or start balls) to establish timing to operate a pattern display device 120 when a game ball passes a starting area 110 provided on a game area 20 of the game machine, exceed a predetermined maximum value. On the basis of the overflow ball integration value counted by this overflow ball counting means 104 or overflow rate found at a prescribed timing by an overflow rate measuring means 150, it is effectively utilized as information for adjusting nails implanted on the game area 20 of the game machine or varying game on the game machine.
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