| 摘要 |
PROBLEM TO BE SOLVED: To provide a slot machine converting an n times of reserved opportunities for drawing a specific game prize to one opportunity for drawing a specific introduction game prize. SOLUTION: The slot machine comprises a drawing selection means 180 for letting a player to select whether the specific game prize can be drawn or not when the opportunity for drawing the specific game prize is given, an opportunity reserving means 185 for reserving the opportunity for drawing the specific game prize when the player selects that the specific game prize cannot be drawn, and an opportunity converting means 190 for converting the n times of opportunities for drawing the specific game prize to one opportunity for drawing the specific introduction game prize. COPYRIGHT: (C)2005,JPO&NCIPI
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