I had the BBQ ribs, sausage, Mac & cheese, peel & eat shrimp, orange. 127 reviews of Gran Via Buffet 'My hubby & I ate lunch here for lunch today & I really don't understand a lot of the other reviews. It features over 7,400 electronic games, table games, off-track betting, MegaKeno and bingo. With over 600,000 feet of gaming floor, WinStar World Casino & Resort in Thackerville is the largest casino in the United States.