More than 70 casinos in Oklahoma offer a variety of slot machines, card & table games and horse racing thrills. River Spirit Casino Resort · 6. View Promotions Now — We provide our customers with a best-in-class gaming experience. Riverwind Casino · 4. There are Indian casinos and gaming centers owned by 33 tribes in Oklahoma. 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. Oklahoma has more Indian casinos than any other state in the nation. River Bend Casino · 5. Table Game availability and live entertainment based on Casino location. Except otherwise stated, children under 18 years old are not allowed in casinos in. Must be 18 to participate. Get the details on Oklahoma WinStar World. 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. WinStar World Casino and Resort · 2. Guests must be actively playing with their Club Osage card. . Riverwind Casino Norman, OK-9, Oklahoma City, OK , 18+ ; Sac & Fox Nation Stroud Casino, Rd, Stroud, , 18+ ; SaltCreek Casino, US-. 1. · Minors are prohibited from being left unattended on the. All gaming Guests must be at least eighteen (18) years old to wager; proof of age may be required. Restaurants on-site.