A server device includes: a set information acquisitor, a first storage, a set information request receiver, and an output controller. The set information acquisitor is configured to acquire from a first terminal device a set information which indicates a set of objects and which is associated with a first user. The first terminal device is configured to process a game by using the set information and to proceed with reference to the set of objects extracted from the set information. The set information request receiver is configured to receive an output request related to the set information from a second terminal device corresponding to a second user. The output controller is configured to cause, on the basis of the set information stored in the first storage, an output device to output at least one of the set information corresponding to the output request and information related to the set information.