Other than the rare nickel slot machines (which only exists in old school Las Vegas casinos), the best payout comes from the $5 slot machine, according to the Las Vegas Review-Journal. Casinos had a 5.46% win percentage in 2024. In comparison, theR$25 slot machines had a 5.86% average when it came to casinos winning.

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.