Thunderbird (Rival Gaming) is an online slot developed by Rival Gaming. Game Type. Slots. Thunderbird, a line, 5-Reel Slot with % RTP and includes free spins, 2x multiplier. Max win. Return to player. PLAY ANYTIME, ANYWHERE. Features include wilds. Return to player. Try Thunder Birds slot online for free in demo mode with no download or no registration required. %. Thunderbird Online Casino is made available to all existing Red, Silver and Gold members of Thunderbird Resorts and Casinos. Thunderbird slot game is a medium to high variance slot machine that allows you to play for little stakes. Thunderbird is a 5-reel, line online slot game with download, bonus spins, instant play, autoplay, video slots, multiplier, wild symbol, expanding wild. Thunder Birds Power Zones is a LiveBet Casino Slots Game produced by Playtech. Game Type. It is a 5x3 slot with an RTP of per cent and 50 paylines. Play for free or real money on Willis Casino. Send your wins flying sky-high in this collapsing, cluster-pays slot. Thunderbird. The free spins feature is quite rare as it takes. The magical aboriginal thunderbird has risen from its ashes in the fun new line 5-reel Thunderbird Slot by Rival Powered, free to play at Slotorama! Release your spinning spirit with Thunderbird, a Native American themed slot machine by Rival Gaming featuring two rounds of free spins and expanding wilds. Try Thunderbird slot online for free in demo mode with no download or no registration required. . %.