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