Thunderbird is a 5 reel, 50 payline online video slot powered by Rival Gaming. It has expanding wilds with a 2x multiplier during free spins and a Super Spirit Round that can be triggered during the free spins in which the first reel will remain wild for the entire round.

The Thunderbird is the wild symbol during regular play and in free spins it becomes an expanding wild. If you get three or more of the Fish symbols you will trigger the Free Spins Bonus. During the free spins if you get three or more of the Super Spirit Fish, you will then activate the Super Spirit Round. During the Super Spirit the entire first reel will be wild.  Five of the Fish symbols will give you 50 free spins, four will give you 20, and three will give you ten free spins.

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