To provide a game providing system which only users gathering at a specific geographic position can take part in and facilitates invitation of participants by lowering the entry levels for participation.

In the game providing system for providing a user with a plurality of games in which a client terminal 2 provided with a position information acquisition means communicates with a game server 1 via a network, the game server 1 includes: an accessible game notification means for receiving position information acquired by a position acquisition means and notifying the client terminal of information about a game which the user can participate in on the basis of regional information in which the position information is grouped into a prescribed region; a game participation means for allowing the user to participate in a game which the user selects from among the games notified of to the client terminal by the accessible game notification means; and a game playing means for playing a game and notifying the client terminal of a result of the game.