Creek Nation Casino Okmulgee has grown to become one of Green Country's most popular class-II gaming and entertainment venues. The facility features more than 18,500 square feet of gaming space. It offers 360-plus casino machines and seating for bingo and special events. Creek Nation Casino Okmulgee provides Vegas-style poker and blackjack action. The casino has fun promotions, food and beverage service, high-stakes bingo and a discount smoke shop. It is open 24 hours daily. Creek Nation Casino Okmulgee is located in Okmulgee, Okla..