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It’s the term that describes the payback percentage or payout, if you like, of a slot game. 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.

Slot Game Software Provider Largest Recorded Payout Average Jackpot Trigger
Mega Moolah Microgaming $20 million+ One in ~50 million spins
Mega Fortune NetEnt $19.4 million One in ~50 million spins
Hall of Gods NetEnt $10.4 million One in ~30 million spins
Arabian Nights NetEnt $9.3 million One in ~40 million spins

To calculate your RTP rate for a particular session on a slot game, you need to divide your win amount by the wager/stake amount. Win: If you were to wager £100 and win £120, your actual RTP would be 120% Lose: If you were to wager £100 and won £60, your actual RTP would be 60% The longer you play, the actual RTP should get closer to the theoretical RTP rate. If a slot game’s RTP rate is 96%, the slot site will in theory win 4%. This is calculated over a cycle of billions of spins. You may be the lucky player who walks away with an RTP rate of over 100% but other players will not. This all balances at over a certain number of spins at the theoretical RTP rate. There are a few ways to find a slot game’s RTP rate. Firstly, reading the detailed slot reviews at OLBG is one way, but no one don’t have details on every single online slot game, unfortunately. You could also head to the slot studio’s website. You’ll find the RTP from the game’s Paytable, Information or Help section within a slot game. Each studio presents the information differently, with some specifying the RTP rate as soon as you fire up the game. Others mention them deep inside the Paytable or from a small information link at the bottom of the game’s screen. Some slot sites are becoming transparent when it comes to RTP rates. MrQ offers the highest RTP rate on all their slot games. They also display the RTP prominently when firing up a slot game!

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Excluding progressive jackpot games, below are the 5 highest max wins slots available online with Tombstone Slaughter offering 500,000 times bet max wins per spin! Join El Gordo's daughter on her quest for revenge in Tombstone Slaughter. By Nolimit City, this brutally volatile slot game has 6 reels and begins with 324 ways to win. With xNudge Wilds with increasing multipliers and Reel Split Wilds, there are Revolver symbols that bring Cylinder features into play. Offering 500,000 times bet max wins, it's the highest-paying slot game ever made ensuring it's new sheriff in town.

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Find Tombstone Slaughter at Pub Casino where you'll also get quick withdrawals and 24/7 support Nolimit City’s Tombstone RIP is the second-highest max win slot available online. With 5 reels and 108 paylines initially, this brutal and gory Wild West adventure boasts 300,000 times bet max wins and a 96.08% RTP rate. Tombstone RIP appears at Dream Vegas with their Brilliant App Don’t drop the soap again in San Quentin 2: Death Row. This sequel from Nolimit City begins with 5 reels and 1,024 ways to win with Enhancer Cells awarding high-value inmate symbols, xWays and Razor Split symbols. Dramatically increasing the number of ways to win, the Max Win multiplier here is 200,000x Head off to Grand Ivy to Play San Quentin II or tons of other games. Whilst playing the best RTP slot games is great, you should know that studios or slot providers create multiple RTP versions or settings for their slots. You may have noticed that OLBG specifies 2, 3, 4, 5 or even 6 RTP rates for slot games in our detailed reviews. Each slot site can choose the RTP setting they want for each game. This can drastically influence how much money they make from a slot game and how much you can win.

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Game, play and payment method restrictions apply. Rounding out the list of the highest RTP slots is White Rabbit Megaways, from Big Time Gaming. With a 97.24% RTP rate, this 5 reel slot has 16,807 ways to win. With multiplier Caterpillar Wilds, there's a Down the Rabbit Hole Free Spins feature where Cupcake symbols that extend the reels for up to 248,832 ways to win and extra free spins. Max win potential is 17,420 x your total bet.

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If you want the slot games with the highest RTP rates and best payouts, I recommend Slots Temple. With a high RTP guarantee for all their slot games, they will even give you £50 if you see a slot game they have at another UKGC licensed slot site for a higher RTP rate: they will also match the RTP! Transparent and user-focused, Slots Temple has over 1,000 slot games to play, including slots from all the top studios such as Nolimit City, Push Gaming, Pragmatic Play and Relax Gaming. Find out more in our complete Slots Temple review. If you’re considering the best payout slots, this could also mean slot games with the highest max win potential. If I take a look at the most popular online slot game, Play ‘n GO’s Book of Dead, there is a table below showing 5 RTP versions with the difference for both the site and the player based on the wager of £1,000, £1 million or £1 billion: 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. This is because a portion of the RTP rate contributes directly to the jackpots. The progressive jackpots increase the more players play basically. Below is a table highlighting the RTP allocation for the biggest jackpot slots: As with everything, there are both positives and negatives to playing the best RTP slot games. Below I highlight the main pros and cons with the pros outweighing the cons: Your balance should last longer in theory Found at most UK casino/slot sites Won’t often contribute to a bonus’ wagering requirements Multiple RTP versions available on high RTP slots The slot games with the best Return to Player rates include Playtech’s Ugga Bugga (99.07%), Relax Gaming’s Book of 99 (99%) and Thunderkick’s 1429 Uncharted Seas (98.6%). The slot games with the best Return to Player rates include Playtech’s Ugga Bugga (99.07%), Relax Gaming’s Book of 99 (99%) and Thunderkick’s 1429 Uncharted Seas (98.6%). RTP stands for Return to Player and is the term used to describe the payback percentage of a casino or slot. With the average around 96% for online slots, the RTP is calculated over billions of spins (theoretical RTP). Open the slot game’s Paytable, Help or Info section where you’ll find the RTP in most cases. If not, check the studio’s website or OLBG’s detailed slot reviews. The average RTP for slot games online is around 96%. However, with more regulation, RTP rates have reduced under 96% in most cases. Slot game providers/studios do offer multiple RTP settings which casinos can choose from. You can calculate a slot game’s RTP rate by dividing the win amount by the wager/turnover figure and multiplying by 100. This will determine your particular return for that individual session.

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NetEnt’s long-awaited sequel to Starburst is the 5 reel, 9 payline Starburst XXXtreme. Playable from 10p a spin, and a max win of 200,000x, you head to outer space once again but with plenty more rocket fuel. With a 96.26% RTP rate, it feels very similar to the original cult favourite. Find this XXXTreme version of Starburst at one of the best online slot sites Head into the world of Chinese opera in Peking Luck. With 5 reels and 25 paylines, it comes with a 96.5% RTP rate and can be played from 25p per spin.

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There are Wild Multipliers that double your payout and up to 180,000 times your bet for max wins. Winomania host the Peking Luck slot game along with super quick withdrawals. With the 5 highest max cas online slots uk real money win slots highlighted above, I thought it would be of interest to provide a table showcasing the slot game with the highest win potential by slot provider (where available). I've listed them from highest to lowest win potential. RTP is short for Return to Player. The theoretical RTP rate for online slots is the expected payback percentage over a large number of spins (normally in the billions). The more you play, the closer to this figure you will get, in theory. Everyone likes to get a bonus, and at Spin Genie we have a great welcome offer for all new players.

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3 or more Joker symbols will lead to a Mystery Win of up to 600 times your total bet. Spins credited within 7 days after deposit. With a 97.99% RTP rate, Blood Suckers is a NetEnt slot game with 5 reels and 25 paylines. Based on blood-sucking vampires, it was released way back in 2013 and can be played from 25p per spin. Starmania is by Light & Wonder/NextGen Gaming and has a 97.87% RTP rate.

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With 5 reels and 10 paylines, you can spin away from 10p a spin. Set in outer space, it focuses on the Free Games feature where you begin with 10 free spins. In 9th place, you have Red Tiger’s Blood Suckers Megaways. With a 97.66% RTP rate, it has 6 reels and up to 117,649 ways to win. The Megaways version of the popular Blood Suckers slots by sister company NetEnt, you can spin away from 10p per spin. All you have to do is sign up with Spin Genie, using the fast and easy Sign Up process. When you’re ready to start spinning the reels, then simply make your first deposit, with a minimum amount of €10 and you will be awarded 120 slots free spins to be used on the fantastic Book of Dead game. There are many online slots sites in the world, but at Spin Genie we believe we offer an unrivalled slots playing experience that you won’t find anywhere else. So what makes Spin Genie the best site for spinning online?

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