The 99% is calculated across a huge number of spins, not your individual session. The same slot can have different RTPs at different casinos because providers often make several versions available. Mega Joker by NetEnt also hits 99% in Supermeter mode. On this page I share some of the highest RTP slots and where to play them.

• RTP is short for Return to Player.
• It’s important to note that there is a term known as theoretical RTP.
• With the average RTP rate around the 96% mark for online slot games, you would expect to win £96 back for every £100 you wager on average.
• If a slot game has a 99% RTP rate, you should not expect to win £99 back for every £100 you wager during a session.
• With 5 reels and 25 paylines, it comes with a 96.5% RTP rate and can be played from 25p per spin.
• It’s the term that describes the payback percentage or payout, if you like, of a slot game.

However, this number is merely an indicator and nothing is ever guaranteed. On this page we have given you an overview of what RTP (return to player is) and what the key numbers are to look for. In order to offer a progressive jackpot, a game must collect a portion of each wager to build a prize pool.

• When Gunslingers align vertically, they trigger the high-stakes Showdown mechanic, dropping a flurry of Wilds onto the reels.
• Designed for players who thrive on “Insane” volatility, this slot perfectly balances aggressive payout structures with incredibly rewarding base game mechanics.
• Set against a tense, dusty frontier, the game features a 5×5 grid framed by two special “Gunslinger” rows.
• Providers are finally listening, delivering incredibly generous math models wrapped in cinematic graphics, massive Megaways™ engines, and cutthroat crash mechanics.
• In this top-tier mode, Gunslingers occupy the entire top row, guaranteeing a Showdown on every single spin.

Game contributions vary, max stake applies. Opt in, Deposit & Stake £30 on Slots to get 300 x £0.10 Free Spins on Big Bass Splash, 10x wagering. A perfect nautical slot for casual players who don’t want to take too many risks. Its Supermeter Mode adds risky, high-reward potential, while a progressive jackpot builds the excitement.

Rainbow Riches Pick ‘n’ Mix by Barcrest – RTP: 98%

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Top 10 Best RTP Slots Compared

We’ve compiled and verified the best high RTP slots available in 2026, including games with theoretical returns of 97% to 99%+. If you’re a fan of slot games with progressive jackpots, you’ll notice that their RTP rates tend to be lower than standard slot games. Whilst the RTP can normally be found in a game’s Paytable, some shady operators have been known to switch to the lower RTP rates at busier times. If you want the slot games with the highest RTP rates and best payouts, I recommend Slots Temple. Released in July 2021 by Relax Gaming, this Wild West/steampunk adventure focuses on the streak re-spin feature (triggered by landing 3 or more Bonus symbols). Released after Money Cart 2 oddly (below), Relax Gaming’s Money Cart has a 98% RTP rate.