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