Patent ID: 8715091

Claim:
A server device connected with a player terminal used by a player when performing a game operation over a network, comprising: a rental unit configured to rent rental game content set for rental to the player; a providing unit configured to provide game content to the player; a storage unit configured to store player information in which the rental game content rented from the rental unit is set as game content temporarily possessed by the player, and the game content provided by the providing unit is set as game content possessed by the player; a parameter varying unit configured to vary at least a parameter set to the rental game content, based on a request from the player terminal; a game content determination unit configured to determine, when the providing unit provides the player with game content during the rental game content being rented, whether the game content and the rental game content temporarily possessed by the player have a predetermined relationship; a parameter setting unit configured to set a parameter of the game content based on a parameter of the rental game content varied by the parameter varying unit when the game content determination unit determines there is the predetermined relationship; a condition determination unit configured to determine whether a return condition of the rental game content rented from the rental unit is satisfied; and an update unit configured to update the player information stored in the storage unit so that the rental game content becomes game content not possessed by the player when the condition determination unit determines that the return condition is satisfied.