A couple days ago, I walked into a casino in Oklahoma and walked out at a small casino in Arizona, where I was given 20 dollars in free play. Casino Oklahoma is Oklahoma's hottest new casino! I have a lot fun of this casino,I win 50 dollars free play and box of chocolates,and I play my free play I win. Gold River Casino is the gold standard for casinos in Oklahoma. ID along with proof as a first responder to the Players Club staff and receive $10 in Free Play!.