| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine providing a game player with a fresh feeling and enhancing preference. SOLUTION: This pinball game machine is provided with an expansion drive controlling means for expanding a drive-prize winning opening resulting from specified conditions, a contraction-closure drive controlling means for contracting or closing the drive-prize winning opening resulting from specified conditions and an informing-about-timing of shooting halt means for informing the game player of halt timing of shooting a game ball at the drive-prize winning opening in compliance with a timing when the drive-prize winning opening has a contraction drive or a closure drive.
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