Gaming servers and methods for use in providing a random reward to multiple players are disclosed. One exemplary method includes assigning a bonus value to each of a plurality of gaming machines participating in a random reward, wherein the random reward includes at least one trigger condition. A different bonus value is assigned to each of a portion of the plurality of gaming machines associated with a random reward after a predetermined interval. The random reward is triggered when the at least one trigger condition is satisfied by one of the plurality of gaming machines, and the random reward is awarded, at the gaming server, based on the bonus value assigned to one of the plurality of gaming machines, when the random reward is triggered.