Patent ID: 8062123

Claim:
A game system comprising: a server system including a data server retaining unit price schedule data including game unit prices, respectively set for each of predetermined unit time periods, and generating a master clock; and at least one game parlor system connected via an external network to the server system, including: a parlor server to periodically access the data server to synchronize a timer with the master clock, and obtain the unit price schedule data retained at the data server of the server system; and a plurality of game terminals connected via a local area network to the parlor server respectively to access the parlor server to synchronize with the timer, when powered-on, and to access the parlor server at a time interval shorter than a predetermined unit time period to acquire a unit price in accordance with the unit price schedule obtained from the data server by the parlor server, wherein when a current unit price is different from the unit price acquired from the parlor server, the plurality of game terminals change and set the game unit price to the unit price scheduled for the next unit time period at the starting time of the next unit time period.