Patent ID: 8075396

Claim:
A method of maintaining the odds P of bonus event presentation in a gaming system where a varying number of gaming machines linked to a bonus server may be in active play comprising: determining a number M of gaming machines in play; if said number M=M1=1, selecting a number of games N=N 1 which on average are played before a bonus event triggering event occurs; if said number M=M2=2 or more, then selecting a number of games N=N1 * M2 which on average are played before said bonus event triggering event occurs; triggering said bonus event on average every N games based upon said number M of gaming machines in play, wherein said number N varies actively depending upon changes in said number M of gaming machines in play so that the odds P of a bonus event being presented are generally the same regardless of said number M of gaming machines in play; and presenting said bonus event at said M gaming machines in play.