To give a suitable inconsistency to the put-out rate of game balls in a slot machine, preventing carry-out count of AT game from being influenced only by a preset value on that day while maintaining that the higher setting is, the higher the put-out rate of game balls is.
The slot machine includes: AT game count storing means 71a for adding a storage number on meeting the condition for storing carry-out count of the AT game; and AT game count deciding means 71b for deciding the carry-out count of the AT game on meeting the condition for carrying out the AT game and subtracting the count from the storage number. A lottery for a storage number is held in every game in an internal medium game until winning a BB prize after winning the BB, and when a prize is won in the lottery, a predetermined value is added to the storage number. The lower setting is, the more a prize is won in the lottery (the storage number is easy to accumulate). On the contrary, the higher setting is, the more the AT game is easily carried out.
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YOMO NORIYUKI
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JP2003175156A | 2003-06-24 | |||
JP2008136595A | 2008-06-19 | |||
JP2008161235A | 2008-07-17 | |||
JP2008200136A | 2008-09-04 | |||
JP2009153816A | 2009-07-16 | |||
JP2009131488A | 2009-06-18 | |||
JP2009099187A | 2009-05-07 | |||
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