To provide a communication game environment of a new form which enables the playing of a game in a mass participation style through an Internetwork and a dedicated line of a cellular phone.

In the communication game which enables the playing thereof in the mass participation style through the Internetwork and the dedicated line of the cellular phone, the server transmits information to a plurality of users or all users registered within the server to promote them to take part (by connection to the server) in a game operated within the server at a timing determined by the server. This enables the providing of a game of a new form which allows the users to take part in it with the information obtained from the server as a chance, thereby expanding the range of the playing availability of games.