Except otherwise stated, children under 18 years old are not allowed in casinos in. View Promotions Now — We provide our customers with a best-in-class gaming experience. . Get the details on Oklahoma WinStar World. There are Indian casinos and gaming centers owned by 33 tribes in Oklahoma. More than 70 casinos in Oklahoma offer a variety of slot machines, card & table games and horse racing thrills. River Bend Casino · 5. WinStar World Casino and Resort · 2. · Minors are prohibited from being left unattended on the. Must be 18 to participate. Oklahoma has more Indian casinos than any other state in the nation. Riverwind Casino Norman, OK-9, Oklahoma City, OK , 18+ ; Sac & Fox Nation Stroud Casino, Rd, Stroud, , 18+ ; SaltCreek Casino, US-. Restaurants on-site. Riverwind Casino · 4. Red Hawk Gaming Center · Wetumka · Hughes ; Remington Park Racetrack & Casino · Oklahoma City · Oklahoma ; RiverStar Casino, Terral, Jefferson ; River Spirit. 1. 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. 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. Table Game availability and live entertainment based on Casino location. Guests must be actively playing with their Club Osage card.