A dice gaming machine executes a dice game using a plurality of dice. Gaming values are bet with respect to bet areas making up a betting board. Each bet area is associated with a winning condition based on the spots on the dice and a payout magnification ratio. The prize in the dice game is determined based on the amount of gaming values bet on a bet area whose winning condition is satisfied, and a payout magnification ratio. Once acceptance of bets is ended, the dice gaming machine carries out a lottery. The dice gaming machine changes the payout magnification ratio for the bet area(s) based on the lottery result. Changing of the payout magnification ratio is adopted in the terminal(s) constituting the dice gaming machine.