Patent ID: 8864571

Claim:
A gaming system comprising: at least one input device; at least one display device; at least one processor; at least one memory device storing instructions that, when executed by the at least one processor, cause the gaming system to: receive a wager for playing a wagering game, trigger a free-spin event in which a plurality of free spins is awarded, randomly determine a first number of arrays for a first spin of the plurality of free spins, display the first number of arrays on the at least one display device, evaluate each of the first number of arrays to determine whether an award condition is present, randomly determine a second number of arrays for a second spin of the plurality of free spins, the second number of arrays being non-equal to the first number of arrays, display the second number of arrays on the at least one display device, evaluate each of the second number of arrays to determine whether an award condition is present, and provide any awards associated with each determined award condition.