There are 29 federally recognized tribes in Washington State. Washington State does allow sweepstakes, which offers free slots and the chance to win cash prizes. Because of this, we don’t expect to see legal online casinos available in Washington State for quite a while. There have been attempted bills in favor of online casinos but nothing ever seems to come out of them. If there is one state you don’t want to attempt gambling online in, it’s Washington State. Online casinos and online slots are strictly prohibited and anyone caught playing or operating would face serious charges. Compared to the other states in America, Washington State probably has some of the strictest rules around online gambling.