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