Review for Osage Casino - Tulsa Review For Osage Casino - Tulsa Google User Jul 30 '18 at 3:20 This is my favorite casino. It is cleaner and the staff is friendlier than at the bigger casinos. So are the patrons. I am excited to see their new casino which is supposed to open this fall. I love their pizza, delicious and great price. The slots don't pay as well as they should, but that is pretty much the case at all the casinos these days. View full site to comment or like