A social game capable of informing a player of the attractiveness of a group fighting event is disclosed herein. A server device comprises: an information storage unit that stores information on the game; and a control unit that executes an arithmetic operation relating to the game and performs processing to display an image of the game at the terminal devices. The information storage unit stores, as a part of the information on the game, information on a fighting event, and the control unit performs processing to, in accordance with an instruction from a player, display the information on the fighting event at a terminal device operated by the player.