Method of developing the activity of an on-line game site

A method of developing the activity of an on-line game site, the site comprising a question engine coupled with a plurality of terminals including display screens accessible by respective players, for sending questions to the players and for receiving answers from the players, the site allocating or not allocating prizes to the players as a function of the answers received, the activity of the site being measured by a traffic index representative of the number of players who have played the game over a given time interval, the method comprising, in an advertising stage, the steps of:

• a) sending to the players, by the question engine, and displaying on the terminal screens, questions together with paid-for, at a given rate, advertising insertions;
• b) evaluating receipts associated with the paid-for advertising insertions;
• c) awarding the players prizes from an endowment, over a given period of time, the endowment being a function of the level of the receipts;
• and
• d) increasing the endowment, correspondingly, based on an increase in the level of receipts, when an increase in the traffic index is detected.