To provide a game device that is capable, in a match in which a player character group including operating characters of a plurality of game players and one or more teammate character competes with an opponent character or an opponent character group opposing the player character group, of improving diversity of combination of the characters belonging to the player character group while suppressing increase of data amount. An operating character obtaining unit (30) obtains the player data on an operating player of each game player. A teammate character obtaining unit (32) obtains the player data on a teammate player of each game player. A game execution unit (36) carries out a game in which an operating team takes part in a soccer match with an opponent team, based on the player data on the respective operating players and that on the respective teammate players.