| 摘要 |
PROBLEM TO BE SOLVED: To provide a Pachinko machine capable of improving game performance. SOLUTION: When a round number (d) is less than 5, a lower side movable piece 17b is opened (Step S61). When the round number (d) is 5 to 16, an upper side movable piece 17a is opened (Step S63). A probability of winning in a V zone 13 when opening the upper side movable piece 17a is higher than that when opening the lower side movable piece 17b. Since opening is operated by switching the movable pieces (the upper side movable piece 17a or the lower side movable piece 17b) according to the round number (d), an appearing ball can be adjusted according to the round number (d) so that the game content can be changed, in its turn, the game performance can be improved.
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