WinStar World Casino and Resort. Contents. Indigo Sky Casino & Hotel. Downstream Casino Resort. 1 List of casinos; 2 Gallery; 3 See also; 4 References; 5 External links. More than 70 casinos in Oklahoma offer a variety of slot machines, card & table games and horse racing thrills. All gaming Guests must be at least eighteen (18) years old to wager; proof of age may be required. A valid government-issued photo ID must be provided upon. Find information about Oklahoma 18+ casinos, online casinos for 18 and up Oklahoma Players, and the minimum legal gambling age in the state of OK as of. River Bend Casino. Riverwind Casino. Choctaw Casino Resort. Choctaw Casino: You can play at 18 yrs old here - See traveler reviews, 10 candid photos, and great deals for Pocola, OK, at Tripadvisor. River Spirit Casino Resort. Hard Rock Hotel & Casino Tulsa. Get the details on Oklahoma WinStar World. This is a list of casinos in Oklahoma. Oklahoma 18+ Casinos ; Sugar Creek Casino, N Broadway Ave, Hinton, OK , 18+ ; Teepee Casino, East 6th Street, Yale, OK , 18+ ; Texoma Casino. I've heard there are tribal casinos that have an age limit of 18+ instead of Just moved here and some of my employees are younger than Living in Oklahoma, I've always understood it to be every casino is 18+ to “game” (the term used to get around the “sin” of gambling). Chisholm Trail Casino. .