Patent ID: 8613647

Claim:
A wagering game for a gaming machine stored on a non-transitory memory device and executed by a processor of the gaming machine, the wagering game comprising: an interface activatable by a player; a plurality of sub-games from one or more of a reel game, wheel game, bingo game, poker game, or keno game, stored in the non-transitory memory device, one or more of which may be enabled for play by the processor upon activation of the interface by the player, each enabled sub-game comprising a sub-game outcome further comprising an associated probability of occurrence and associated with a set of possible sub-game awards; at least one meta-game award distinct from the sub-game awards, the meta-game award is based on a number of special symbols appearing on the enabled sub-game outcomes, wherein a theoretical hold percentage of the meta-game is maintained by altering the probability of appearance of the number of special symbols on the sub-game outcomes associated with the meta-game award based on the number of sub-games enabled for play.