GAME MANAGEMENT DEVICE, GAME SYSTEM, GAME MANAGEMENT METHOD, PROGRAM AND RECORDING MEDIUM

摘要

This game management device communicates with user terminals, and manages friends in a game in which an upper limit has been set on the number of friends, up to which each user can create friend relationships with other users. The game management device is provided with: a friend period setting means for setting a friend period during which a friend relationship between users continues, with respect to two users for whom a friend relationship has been established; and a friend relationship cancellation means for automatically canceling the friend relationship of the two users due to the completion of the friend period that was set for the two users for whom a friend relationship has been established.