| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a prize exchange system capable of exchanging prize balls to an optional matter desired by a game player. SOLUTION: The number of prize balls that is the counting result of game mediums acquired by the player is registered in an information storage medium 182 having a function as a financial card related to a prescribed account and owned by the player or in conformation thereto so as to be usable as the fund of the account, and a prescribed interest is added to the number of prize balls.</p> |
