| 摘要 |
PROBLEM TO BE SOLVED: To add the game property that by providing a past lottery history for a plurality of lottery machines, a user is caused to select a lottery machine, and provide a highly amusing lottery.SOLUTION: Group setting processing is performed, in which a group is set and a user is registered in association with the group that the user belongs to. A game play element that the user can use is put under a development object of the group, and the game play element is developed. The game play element is registered as a development object of the group based on a game play element development request. The processing is executed to change predetermined parameters of the game play element according to the time elapsed from the registration of the game play element as the development object for the group. When a browsing request for the game play element is received, the predetermined parameters or information on their change are calculated based on the time elapsed from the registration of the game play element as the development object for the group to the browsing request, and the calculation result is provided to a requesting user. |
