Table Game availability and live entertainment based on Casino location. 1. Except otherwise stated, children under 18 years old are not allowed in casinos in. Guests must be actively playing with their Club Osage card. River Bend Casino · 5. View Promotions Now — We provide our customers with a best-in-class gaming experience. As discussed in the section above, the legal entry age for casinos in Oklahoma is However, The legal age to gamble in Oklahoma City, OK, is 18 years. Restaurants on-site. WinStar World Casino and Resort · 2. More than 70 casinos in Oklahoma offer a variety of slot machines, card & table games and horse racing thrills. Riverwind Casino Norman, OK-9, Oklahoma City, OK , 18+ ; Sac & Fox Nation Stroud Casino, Rd, Stroud, , 18+ ; SaltCreek Casino, US-. Oklahoma has more Indian casinos than any other state in the nation. · Minors are prohibited from being left unattended on the. Get the details on Oklahoma WinStar World. There are Indian casinos and gaming centers owned by 33 tribes in Oklahoma. . Must be 18 to participate. Riverwind Casino · 4. Choctaw Casino Resort · 3. Red Hawk Gaming Center · Wetumka · Hughes ; Remington Park Racetrack & Casino · Oklahoma City · Oklahoma ; RiverStar Casino, Terral, Jefferson ; River Spirit. There are no casinos in Oklahoma that accept year-olds. River Spirit Casino Resort · 6. All gaming Guests must be at least eighteen (18) years old to wager; proof of age may be required.