| 摘要 |
PROBLEM TO BE SOLVED: To provide a server and a server system capable of increasing profit regarding a game event.SOLUTION: An event participation value is subtracted from a game parameter corresponding to a second user, and a degree of attainment is determined, based on a game medium selected as a game medium used in a game from among usable game media of a first user, a game medium selectable as a game medium used in a game from among usable game media of the second user, and an event execution value, in an event sponsored by the first user. |
