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 Spirit Casino Resort. Contents. Chisholm Trail Casino. 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. . Get the details on Oklahoma WinStar World. Riverwind Casino. Choctaw Casino: You can play at 18 yrs old here - See traveler reviews, 10 candid photos, and great deals for Pocola, OK, at Tripadvisor. Hard Rock Hotel & Casino Tulsa. More than 70 casinos in Oklahoma offer a variety of slot machines, card & table games and horse racing thrills. 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). River Bend Casino. Choctaw Casino Resort. Downstream Casino Resort. Oklahoma 18+ Casinos ; Sugar Creek Casino, N Broadway Ave, Hinton, OK , 18+ ; Teepee Casino, East 6th Street, Yale, OK , 18+ ; Texoma Casino. Indigo Sky Casino & Hotel. WinStar World Casino and Resort. This is a list of casinos in Oklahoma. 1 List of casinos; 2 Gallery; 3 See also; 4 References; 5 External links.