Free Spins on Mammoth Gold Megaways Enter the Mammoth Gold Megaways slot on Friday, 4/14 (during the promotional hours). SEE OUR VENUES. Check Betano offers. We have it all: table games, slots, poker tournaments, big-screen sports, restaurants, live events, and much much more. . A pistol-wielding zombie will appear on the sixth reel and can be shot by the sheriff, up to three additional multiplier wilds will be added to.