Patent ID: 8795056

Claim:
A gaming machine comprising: a plurality of gaming terminals each having a terminal controller programmed to execute a step (a1); and a center controller which has a bonus type storage device in which bonus types and unit payout amounts are stored in association with one another and is programmed to execute steps (b1) to (b4), the terminal controller executing a step of: (a1) running a basic game of rearranging a plurality of symbols, independently from the other gaming terminals, and the center controller executing steps of: (b1) determining whether a predetermined common game condition is established; (b2) when the common game condition is established, randomly selecting a common game from the following set of potential common games: a first common game in which a participating gaming terminal is able to win a bonus type more than once and a payout based on a unit payout amount corresponding to the bonus type that the gaming terminal wins is awarded to the gaming terminal; a second common game in which a participating gaming terminal is able to win a bonus type more than once and a payout based on the number of winnings is awarded to the gaming terminal; and a third common game in which one of a plurality of participating gaming terminals is able to win one of the bonus types and a payout is awarded to the gaming terminal which wins said one of the bonus types; (b3) running the common game that was randomly selected in step (b2); and (b4) if the first or second common game is randomly selected in the step (b2), and run in the step (b3), then randomly determining whether to run the third common game, and if yes, running the third common game.