Many gambling websites and directories list WinStar World Casino and Resort. This is the largest casino in the US due to its extensive selection of slot machines and table games.
Here are the casinos with the most slot machines in Las Vegas. Yes, Red Rock Resort, way out in Summerlin, boasts the most gaming machines on the casino floor with 2,545. Red Rock is followed by Boulder Station with 2,279. Third is Green Valley Ranch with 2,199, then the Orleans with 2,094.