Patent ID: 8485895
Filing Date: 2013-07-16
Classification: G07F

Abstract:
1. A game server for collectively controlling a plurality of game machine groups installed in a game center, said plurality of game machine groups including a first game machine group and a second game machine group respectively including a plurality of game machines, each of which is brought into a status enabling to start a game based on a thrown coin or a given credit number and is given a payout according to a result of said game, said game server including: a memory configured to individually store cumulative credit consumptions of each of said plurality of game machine groups, wherein said memory has a plurality of units for each of said game machine groups respectively storing a cumulative credit consumption of each of said game machine groups; judge means for judging whether a cumulative credit consumption of a predetermined game machine group reaches a predetermined upper limit, based on information stored in said memory, and for executing a return at a time point depending on a game condition of one game machine of said predetermined game machine group, after a completion of a lottery to select the one game machine where the return is to be executed; and first sending means for sending, when said judge means judges that said cumulative credit consumption of said predetermined game machine group reaches the predetermined upper limit, a return signal for executing said return based on a predetermined return rate, to the one game machine of said predetermined game machine group, said return being executed regardless of a game result, wherein at least one of the predetermined upper limit and the predetermined return rate is individually set for each of said plurality of game machine groups and wherein the game machines in the first game machine group are different from the game machines in the second game machine group.