Game system, and jackpot drawing apparatus and game apparatus constituting the same

摘要

Where a drawing machine for jackpot game is utilized in a game system in which a plurality of game apparatuses are divided into a plurality of groups for management, a payout ratio is easily managed for each group.;The drawing machine for jackpot game performs a group drawing for selecting one winning group among a plurality of groups and performs a winner determining process for determining a winner among players who play game apparatuses belonging to the winning group, thereby performing a jackpot drawing. Then, the drawing machine for jackpot game performs the group drawing in a manner that, among the plurality of groups, a particular group in which a total amount of an own group-specific jackpot balance amount obtained by deducting from a group-specific accumulated pool amount obtained by summing up for each group pool amounts of game apparatuses belonging to each group from a predetermined point in time a total amount from the predetermined point in time covering amounts of payout object paid out when a player who played a game apparatus belonging to the group concerned wins a jackpot award and an own group-specific maximum loss amount set for each group is equal to or more than a jackpot retention amount is not determined as a winning group.