Patent ID: 8257167

Claim:
A gaming system, comprising: a plurality of gaming machines; and a control device connected to the gaming machines, wherein: each of the gaming machines has: a display device, which displays a plurality of symbols; a respective controller configured to execute instructions to rearrange symbols arranged on the display device after gaming mediums are betted, and thereafter, execute a base game in which a payment is made in accordance with the rearranged symbols; and a respective communication interface, which transmits information pertinent to the betted gaming mediums to the control device, together with information for identifying a transmission source, and wherein: the control device has: a memory, which stores identification information for identifying a gaming machine associated with a common game executed simultaneously in groups and identification information for identifying a group to which the gaming machine belongs; a control device communication interface, which receives information transmitted from each of the gaming machines; and a control device controller configured to execute instructions to: specify a group to which a transmission source of information received by the control device communication interface belongs, based upon the information stored in the memory; accumulatively sum up a reserved amount in the specified group, and then, storing the sum in the memory in order to reserve part of the gaming mediums betted at the gaming machine as the transmission source in groups to which the gaming machines belong; and execute part of a computation required to execute the common game; determine a timing of transferring the base game to the common game in groups; start the common game at a gaming machine belonging to one group, in a case where the timing is established in said one group; and postpone commencement of the common game in another group in a case where the timing is established in said another group while the common game is executed in said one group.