| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To block lowered interests in games by preventing the monotonousness in the process up to the generation of the jackpot game. <P>SOLUTION: The game board is provided with the first and second starter slots and when game balls win the second starter slot harder to win than the first starter slot, performance points P are stored by one point each. When the performance points P reach a prescribed upper limit, a special performance is conducted. At least with the winning of the lottery by the first or second lottery means, even when the difference of the performance points accumulated is two or more from the prescribed upper limit, two points or more up to the specified upper limit are accumulated in the game history in the case of the slight difference, even if only one game ball is detected by a reception detecting means. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
