Patent ID: 8790174

Claim:
A drawing machine for jackpot game having a drawing unit for carrying out a drawing to decide a winning for which any one of a plurality of types of jackpot prizes is awarded or a non-winning for which none of the plurality of types of jackpot prizes is awarded, comprising: a storage unit for storing, by the plurality of types of jackpot prizes, payout amount data indicating an amount of payout-objects to be paid out to a player when the drawing unit decides that any one of the plurality of types of jackpot prizes is awarded; a payout processing unit for executing a payout process in which, when the drawing unit decides that any one of the plurality of types of jackpot prizes is awarded, payout amount data corresponding to the type of the awarded jackpot prize is read from the storage unit and an amount of payout-objects indicated by the read payout amount data is paid out to the player, and for executing a data process of a plurality of pieces of payout amount data stored in the storage unit such that after the payout amount data corresponding to the type of the awarded jackpot prize is read from the storage unit, while a payout amount decreasing process for decreasing an amount indicated by the payout amount data stored in the storage unit is executed, amounts corresponding to payout amount data other than the read payout amount data is not decreased in the payout amount decreasing process; and a payout-amount increasing unit for increasing cumulatively an amount indicated by at least one of the plurality of payout amount data stored in the storage unit when a predetermined payout increasing condition is satisfied.