| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine using game ball in which setting can be easily changed to a smaller bet. SOLUTION: In a slot machine 1 using game balls, when bet setting operation is performed, a bet is set by performing control for leading the game balls of the number required for setting the bet into a game ball waiting pass 305 and holding the balls and when game starting operation is performed in the state of setting the bet, control is performed for ejecting the game balls held in the game ball waiting pass 305 to the side of a game ball take-in pass 55. When bet setting operation is performed for setting a bet smaller than the set bet in the state of setting the bet, after control is performed for ejecting the game balls held in the game ball waiting pass 305 to the side of a game ball returning pass 56, a bet is set again by performing control for leading the game balls of the number required for setting the smaller bet into the game ball waiting pass 305 and holding these balls again.
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