These are the best real-money online casinos in the USA. Our expert team reviews gambling sites based on player experience, game selection, reliable payouts, and testimonials. Follow this guide to find top-ranked real money casinos you can trust. 21+ Gambling problem? Call 1-800-Gambler Betting and gambling both involve some degree of monetary risk and have the potential to become addictive. Remember that you must be 18 years old to use any gambling site or guide. You should also check if your jurisdiction permits people to gamble online. Not all, but we only recommend the best online gambling sites. That means any which don\u2019t pass our strict safety review criteria are blacklisted. Unfortunately it’s not always games slot free games easy to find sites that tick all these boxes, so for this review we’ve tested over 25 gambling sites and ranked them from best to worst. Before jumping into the full review, here is a list of the top scoring sites and what stood out about each.