A game system includes: a jackpot drawing apparatus for performing a payout process for paying out to a winning player at least part of an amount indicated by payout amount data when the drawing unit determines winning of the jackpot award; and a notification processing apparatus for performing, when performing the jackpot award winning notification process for notifying the player who has won the jackpot award, of winning of the jackpot award, prior to issuing the same, an advance notification process for issuing an advance notification to the effect that a 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.