Yes, top Scientific Games casino sites in Ontario also have roulette games. Roulette comes in three basic versions and these are American, European, and French. While all these three versions are similar, they differ from each other in terms of odds and payouts. Many players consider French and European roulette better than their American counterparts. Some online casinos in Ontario have other versions of this game, such as Mini Roulette, Lightning Roulette, Double Ball Roulette, Multi Wheel Roulette, XXXtreme Roulette and other options.