Our data reveals that The Mirage's casino holds the highest probability of winning. It's not just their artificial volcano that's erupting nightly, because luck seems to be pouring across people's Tripadvisor reviews. 

Older casinos tend to have the best odds on the Strip, and Circus Circus generally has the highest RTP among them. It's rumored that they may even have the loosest slots in Vegas. If you want to do a deep dive on the loosest slots, you can check out the Nevada Gaming Commission's in-depth reports.