NETWORK GAME SYSTEM, CLIENT TERMINAL, GAME DELIVERY SERVER, CLIENT PROGRAM, GAME DELIVERY PROGRAM AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To reduce the load on a server and improve amusement.SOLUTION: A network game system includes: a game delivery server; and client terminals connected to the game delivery server through a communication network. Client terminals each include: a unit data update means for updating unit data included in its own team; and an other user data update means for registering unit data included in another team as a unit of the own team. The game delivery server includes a match advancing means for advancing the match based on the determined information in executing arithmetic processing of a match between the teams, for the unit registered by the other user among the unit data included in the own team, information to be used for the arithmetic processing is determined based on a change between information upon the last user access to the database and the current information on the database.