Data communication method for game system

摘要

Double registration or improper registration of the data of participating teams is prevented in an online-participation game system. Provided is a data communication method for game systems in which game meets are carried out by sending transmission files including data of each team to a server from each of a plurality of game terminal devices, and by thus simulating a competition among the teams, the above-mentioned method comprising: a process wherein the game terminal devices generate transmission files including an identification code (login ID) and game data and send the files to the server; and a process wherein the server checks the identification code of the transmission files received and appends the transmission files received to a registration file for the game meet, in the case when the files do not comprise identification codes identical to those in the accepted transmission file group.