Patent ID: 8414388

Claim:
A game system including two or more game apparatuses, each of which comprises a game progress control unit for performing game progress control, comprising: a jackpot drawing apparatus that includes: a drawing unit for carrying out a jackpot drawing for determining whether each of the players who plays by using one of the two or more of game apparatuses wins a jackpot award or loses so that no player wins the jackpot award; a storage unit for storing payout amount data indicating an amount including a payout target amount to be paid out to the winning player when the drawing unit determines winning of the jackpot award; a payout processing unit for performing a payout process for paying out to the winning player a payout target of at least a part of an amount that is indicated by the payout amount data obtained by reading out the payout amount data from the storage unit, when the drawing unit determines winning of the jackpot award; and a payout amount increasing unit for cumulatively increasing the amount indicated by the payout amount data stored in the storage unit when a predetermined payout amount increasing condition is satisfied; and a notification processing apparatus, which is connected to and capable of communicating with the jackpot drawing apparatus, for performing a jackpot award winning notification process for issuing a jackpot award winning notification issued to notify the player who wins the jackpot award determined by the drawing unit, of winning of the jackpot award, wherein before the jackpot award winning notification is issued to the player who wins the jackpot award, the notification processing apparatus performs an advance notification process for issuing an advance notification to the effect that the player who plays by using each game apparatus belonging to a predetermined group configured by two or more game apparatuses including the game apparatus with which the player who wins the jackpot award plays is notified that the player who plays by using either game apparatus belonging to the predetermined group wins the jackpot award.