PRIVILEGE-GRANTING SYSTEM, AND CONTROL METHOD AND COMPUTER PROGRAM USED THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a privilege-granting system capable of promoting the use of a service-providing terminal having a low frequency of use.SOLUTION: A privilege-granting system 1 includes: a center server 3, that is connected via a network 6 to a plurality of game machines GM that provide games to each user and provides services related to the games. The privilege-granting system 1: determines the degree of difficulty of use for each game machine GM on the basis of a predetermined condition for degree of difficulty that relates to the degree of difficulty involved in arriving at and using each game machine GM; and, when each user satisfies a predetermined granting condition related to the use of each game machine GM, grants a predetermined privilege to each user who satisfies the predetermined granting condition in accordance with the determination result.