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