| 摘要 |
PROBLEM TO BE SOLVED: To achieve a higher interests sufficiently by making the players to feel the big surprise with a special favor granted to the players who continue the games for a fixed period of time. SOLUTION: After the counts of the games reach the upper limit thereof, the lottery is carried out to determine not only the jackpot (s112 and s118) based on random numbers r11, r12 but also the set wins (s132 and s134). As a result of the lottery, when the set wins are earned (s134: YES), the game comes ready to offer the players a special favor attributed to the set win (change from the normal jackpot to the variable probability jackpot: s148→s150→s142). The increased counts of the games after the start of the games do not always offer the players the special favor uniformly and this enables the players to feel the big surprise with the offering of the special favor, thereby achieving the higher interests sufficiently. COPYRIGHT: (C)2005,JPO&NCIPI
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