| 摘要 |
PROBLEM TO BE SOLVED: To provide a server configured so that a price which is the base for calculating a game medium quantity required for prize exchange is adjusted by a constant reference formed of plural stages, on the basis of a purchase cost of a prize provided from an Internet mail-order site.SOLUTION: A prize exchange system 9001 comprises a key server 9600 and a shop management server 9700. The shop management server 9700 receives information on commodities of a shop from a server or the like of an Internet mail-order site. The key server 9700 acquires commodity information of each commodity from a commodity management table 9752 for storing commodity information of the commodity provided from the Internet mail-order site, then, performs adjustment of a price through plural stages, including adjustment of a price by a price adjustment table 9757, and determines a price which is the base for calculating a game medium quantity required for prize exchange.SELECTED DRAWING: Figure 211 |
