Program, method, and system of transmitting or receiving message

A game control method comprising:

• transmitting, to terminals of a plurality of users, first data for displaying at least one game icon for entry to a game;
• receiving second data from a terminal of a first user, the second data indicating selection of the at least one game icon;
• in response to receiving the second data from the terminal of the first user, transmitting, to a terminal of at least one second user other than the first user, third data for displaying information in a chat screen to indicate game information according to the at least one game icon selected by the first user and to indicate that the entry to the game is possible;
• receiving fourth data from the terminal of the at least one second user, the fourth data indicating the entry to the game;
• in response to receiving the fourth data from the terminal of the at least one second user, conducting the game among the first user and the at least one second user according to the game icon selected by the first user;
• and
• transmitting, to the terminals of the first user and the at least one second user, fifth data for displaying information of a content of the game, a result of the game, and information of users that joined the game.

A game server comprising:

• control circuitry configured to:
• transmit, to terminals of a plurality of users, first data for displaying at least one game icon for entry to a game;
• receive second data from a terminal of a first user, the second data indicating selection of the at least one game icon;
• in response to receiving the second data from the terminal of the first user, transmit, to a terminal of at least one second user other than the first user, third data for displaying information in a chat screen to indicate game information according to the at least one game icon selected by the first user and to indicate that the entry to the game is possible;
• receive fourth data from the terminal of the at least one second user, the fourth data indicating the entry to the game;
• in response to receiving the fourth data from the terminal of the at least one second user, conduct the game among the first user and the at least one second user according to the game icon selected by the first user;
• and
• transmit, to the terminals of the first user and the at least one second user, fifth data for displaying information of a content of the game, a result of the game, and information of users that joined the game.

A game system comprising:

• a plurality of terminals corresponding to a plurality of users;
• and
• a server connected to the plurality of terminals, the server including controller circuitry configured to:
• transmit, to the plurality of terminals of the plurality of users, first data for displaying at least one game icon for entry to a game;
• receive second data from a terminal of a first user, the second data indicating selection of the at least one game icon;
• in response to receiving the second data from the terminal of the first user, transmit, to a terminal of at least one second user other than the first user, third data for displaying information in a chat screen to indicate game information according to the at least one game icon selected by the first user and to indicate that the entry to the game is possible;
• receive fourth data from the terminal of the at least one second user, the fourth data indicating the entry to the game;
• in response to receiving the fourth data from the terminal of the at least one second user, conduct the game among the first user and the at least one second user according to the game icon selected by the first user;
• and
• transmit, to the terminals of the first user and the at least one second user, fifth data for displaying information of a content of the game, a result of the game, and information of users that joined the game.