| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine with which even a player who is not skilled in pressing the stop switch timely can hold the consumption of medals in hand, can keep the game going, can enjoy the game for a long time, and moreover, can play a large number of games and can expect to win a prize of the next special game. SOLUTION: The control device is equipped with the normal lottery means (110) and the difference in medal number lottery means (120). The normal lottery means (110) holds a lottery to draw either winning or not winning a prize, without consideration of the difference in the number of medals paid out and the number of medals put in. The difference in medal number lottery means (120) holds a lottery to draw either winning or not winning a prize, in consideration of the difference in the number of medals paid out and the number of medals put in. Normally, the normal lottery means (110) is used, and under appointed conditions, the lottery means is shifted from the normal lottery means (110) to the difference in medal number lottery means (120). The difference in medal number lottery means (120) is set to decrease the difference in the number of medals paid.
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