American roulette is best avoided, as it has an RTP of 94.74% due to the single zero and double zero pockets on the wheel.īest Payout Online Casinos FAQs What is the highest payout online casino?īetMGM has set records for offering the highest payouts in the history of the legal US online casino gaming history. When French roulette is unavailable, you can go for European roulette, which has an RTP of 97.3% due to the single zero. If possible, you should opt for French roulette, as it offers a 98.65%, because there is just a single zero on the wheel, and the en prison or la partage rule earns you a 50% refund if the ball lands on zero. There are three roulette variants: American roulette, European roulette and French roulette. It is also worth mentioning that some players are happy to eschew a high RTP in a bid to trigger the progressive jackpot on some high-paying slots. The average RTP of a slot is around 95% to 96%, so look for games with higher RTP rates, such as Blood Suckers (98%), Starmania (97.87%), White Rabbit (97.72%) and Guns N’ Roses (96.98%). The RTP rates of online slots will vary considerably at the best online casinos that payout USA.