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.Here's more about each of those 10 best high RTP slots along with information about where you can play them.Mega Joker 99% RTP. ... Codex of Fortune 98% RTP. ... Starmania 97.87% RTP. ... White Rabbit Megaways 97.72% RTP. ... Medusa Megaways 97.63% RTP. ... Secrets of Atlantis 97.07% RTP. ... Steam Tower 97.04% RTP.
