| 摘要 |
PROBLEM TO BE SOLVED: To provide a management device for a game capable of reducing the error of a business efficiency rate to the number of media lent generated in the case of adopting a game result value replay system. SOLUTION: The number of lent game media is calculated from used money amount information used for lending the game media (S66) and the number of pseudo lent game media is calculated by multiplying a coefficient with the result of adding the number of charge game media to the number of the game media used for replay (S67). The number of the pseudo lent game media is added to the number of the lent game media (S68) and the business efficiency rate is computed on the basis of the added result (S69).
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