Since they're licensed and prominently display a seal from state gambling regulators to prove it, BetMGM, Caesars Palace, DraftKings, Golden Nugget and Borgata are among the most trusted online casinos.

BetMGM is the highest paying online casino, and it is also the best payout online casino in terms of game variety. There are more than 1,000 slots at this best payout online casino, along with a huge variety of virtual table games and live dealer games, and there are lots of high RTP games within the portfolio.