Drawing machine for jackpot game, and game machine and game system using the same

Abstract

The present invention provides a drawing machine for jackpot game, etc., capable of preventing reduction of the game attractiveness even when one player wins the jackpot prize. A drawing machine for jackpot game having a drawing unit for carrying out a drawing to decide a winning in which any one of a plurality of types of jackpot prizes is awarded or a non-winning, includes: a storage unit for storing 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, executing a data process of a plurality 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, a payout amount decreasing process for decreasing an amount indicated by the payout amount data stored in the storage unit is executed, but the payout amount decreasing process of amounts corresponding to payout amount data other than the payout amount data is not executed; 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 are satisfied.