The reason why is. At its core is a machine that looks like any other slot machine, but shows a Bingo card somewhere on the screen. The slots odds of winning are all based on bingo card games odds because of the Oklahoma state laws requires this to be the basis of a winner. Get ready for bingo excitement at the Bingo Hall, a popular casino venue at WinStar World Casino in Oklahoma. Join us for fun and thrilling games today! Casinos in Oklahoma offer Bingo as a popular game option. Some of Some casinos offer regular Bingo, while others offer variations like Keno or Slots Bingo. It contains a loophole big enough to drive a slot machine through. In defining bingo, the law includes the phrase, games "similar to bingo. Sac and Fox Casino seeks to provide the most entertaining gaming experience in Oklahoma. ". . When you make a wager, you're actually joining.