| 摘要 |
Client devices send an acquisition request accepted input and write in a second memory unit status information and a revision number received from a server device. After resetting the status of a game on the basis of the status information in the second memory unit, the client devices allow the game to progress. Client devices, During the progression of the game and on the basis of instructions the input of which has been accepted, the client devices send to the server device an update request containing status information indicating the present status of the game as well as account information and the revision number of the second memory unit. The server device, on the basis of account information contained in the update request, determines if the revision number read out of the first memory unit and the revision number in the update request correspond and, if they correspond, it updates the status information and the revision number in the first memory unit on the basis of the update request, if they do not correspond, it cancels the update request. |
