Spirit of Mustang is a slot machine by PariPlay. . When golden coins appear. Spirit of Mustang is a 5-reel, 3-row slot packed with fantastic features. One of the fourst four games in the Cash Stacks family is Mustang Spirit™. According to the number of players searching for it, Spirit of Mustang is not a very popular slot. Spirit of Mustang. The Mustang Spirit Cash Stacks slot machine is a Native American-themed slot game by Ainsworth. Spirit of Mustang is an online video slot developed by Pariplay. This five-reel, three-row slot has up to 25 paylines, an RTP of between per cent and. Enter the heat of the desert to fill the game's five reels with. Can you keep up with these wild horses and reign in your own free spins jackpot? Unleash your wild side as you run through the Wild West prairies side by side with mighty steeds in the Spirit of Mustang slot from Pariplay. Run wild with Mustang Spirit, a new bonus-packed slot from Ainsworth. Get the winning action started with the Coin Collect feature. Stampede your way to a major prize in Spirit of Mustang, a 5-reel slot that'll have you galloping all the way to the bank. Spirit of Mustang is an online slot by Pariplay that features quite an unusual Wild West theme. This game includes multi-denomination options, on screen credit prizes and much. With so many online slots to choose from.