Top Casinos with the Highest RTP Slots

Welcome Bonus Welcome Bonus
Bet £20 Get 100 Free Spins on Big Bass Splash
  • Min Deposit£10
  • Wagering0x
  • Free Spins100
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots1000+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
  • Slingo Slingo
Payment Methods
  • Apple_Pay-Logo
ProsPros
  • Accepts PayPal
  • Beautifully designed website
  • Free daily scratchcard
ConsCons
  • Not live in many countries
  • No deposit match bonus
Midnite stands out as a casino that levels up your betting experience. With the best odds and promotions, great slots and excellent live casino games, you can’t go wrong.
  • Min Deposit£10
  • Wagering0x
  • Free Spins100
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots1000+
  • Live Dealer GamesYes
Casino Games
  • Slingo Online Casino
  • Slingo Live Casino
  • Slingo Online Betting
  • Slingo Slingo
Payment Methods
  • Apple_Pay-Logo
ProsPros
  • Accepts PayPal
  • Beautifully designed website
  • Free daily scratchcard
ConsCons
  • Not live in many countries
  • No deposit match bonus
Midnite stands out as a casino that levels up your betting experience. With the best odds and promotions, great slots and excellent live casino games, you can’t go wrong.
New customers only. Deposit and wager £20 on Midnite Casino to get 100 Free Spins at 10p per spin, valid for 7 days on selected games. T&Cs apply. 18+ BeGambleAware.org
Welcome Bonus Welcome Bonus
100% Up To £100 + 50 Free Spins
  • Min Deposit£10
  • Wagering35x
  • Free Spins50
General Info
  • Payout TimeInstant - 72 hours
  • Number of Slots1000+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Slingo Slingo
  • Scratchcards Scratchcards
Payment Methods
  • Apple_Pay-Logo
ProsPros
  • Excellent promotions
  • Wide range of slots
  • Great customer support
ConsCons
  • Help section isn't easy to find
  • Some hurdles to speak to agent on live chat
Mega Riches has significant promise thanks to the proven popularity of its sister-sites Videoslots and Mr Vegas, so the future looks bright for a casino that has just as much to offer.
  • Min Deposit£10
  • Wagering35x
  • Free Spins50
General Info
  • Payout TimeInstant - 72 hours
  • Number of Slots1000+
  • Live Dealer GamesYes
Casino Games
  • Scratchcards Online Casino
  • Scratchcards Live Casino
  • Scratchcards Slingo
  • Scratchcards Scratchcards
Payment Methods
  • Apple_Pay-Logo
ProsPros
  • Excellent promotions
  • Wide range of slots
  • Great customer support
ConsCons
  • Help section isn't easy to find
  • Some hurdles to speak to agent on live chat
Mega Riches has significant promise thanks to the proven popularity of its sister-sites Videoslots and Mr Vegas, so the future looks bright for a casino that has just as much to offer.
18+. Gamble Responsibly. Gambleaware.org The Welcome Offers cannot be used in conjunction with any other bonuses. These Key Terms and Conditions form part of and are an extension of the General Terms and Conditions. If and where there is a conflict between these Terms & Conditions and the General Terms and Conditions which relate specifically to the Welcome Bonus and Welcome Spins, these Key Terms and Conditions will prevail. Mega Riches reserves the right to withdraw or amend this promotion at any time. Minimum deposit £ 10. Opt-in required.
Welcome Bonus Welcome Bonus
Deposit £10 and Get 20 Wager-Free Spins on Big Bass Splash
  • Min Deposit£10
  • Wagering0x
  • Free Spins20
General Info
  • Payout Time3 - 5 Days
  • Number of Slots+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Slingo Slingo
  • Scratchcards Scratchcards
Payment Methods
ProsPros
  • Mobile-friendly website
  • Automatic KYC
  • Lots of payment options
ConsCons
  • No phone support
  • Terms and conditions could be clearer
Casushi Casino not only boasts a visually appealing design but also excels in its efficient customer support, rapid payment processing, and a wealth of enticing bonuses. Its well-organized platform ensures a satisfying and enjoyable gaming experience for players.
  • Min Deposit£10
  • Wagering0x
  • Free Spins20
General Info
  • Payout Time3 - 5 Days
  • Number of Slots+
  • Live Dealer GamesYes
Casino Games
  • Scratchcards Online Casino
  • Scratchcards Live Casino
  • Scratchcards Slingo
  • Scratchcards Scratchcards
Payment Methods
ProsPros
  • Mobile-friendly website
  • Automatic KYC
  • Lots of payment options
ConsCons
  • No phone support
  • Terms and conditions could be clearer
Casushi Casino not only boasts a visually appealing design but also excels in its efficient customer support, rapid payment processing, and a wealth of enticing bonuses. Its well-organized platform ensures a satisfying and enjoyable gaming experience for players.
18+. Only available to new players. Minimum £10 first deposit required. 20 Bonus Spins on Big Bass Splash. No Wagering Requirements. Winnings credited directly to cash balance. Neteller and Skrill deposits excluded. Expiry: bonus spins expire 2 days after deposit. Further terms apply.
Welcome Bonus Welcome Bonus
Play with £15 and Receive 50 No Wager Spins
  • Min Deposit£10
  • Wagering0x
  • Free Spins50
General Info
  • Payout Time24 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Lottery Online Lottery
  • Slingo Slingo
Payment Methods
ProsPros
ConsCons
  • Live chat not available 24/7
  • Limited payment options
Jackpot.com impresses with its game variety, no-wager welcome offer, and strong customer support. While it could benefit from more partnerships with providers, it’s a promising casino that is likely to continue improving in the future.
  • Min Deposit£10
  • Wagering0x
  • Free Spins50
General Info
  • Payout Time24 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Slingo Online Casino
  • Slingo Live Casino
  • Slingo Online Lottery
  • Slingo Slingo
Payment Methods
ProsPros
ConsCons
  • Live chat not available 24/7
  • Limited payment options
Jackpot.com impresses with its game variety, no-wager welcome offer, and strong customer support. While it could benefit from more partnerships with providers, it’s a promising casino that is likely to continue improving in the future.
This one-time offer is only available here for new UK customers of Jackpot.com. To participate a minimum £15 bet is required. Any terms not specified in these Special Promotional Terms, the Promotional Terms shall apply and will be subject to Jackpot.com Terms and Conditions.
Welcome Bonus Welcome Bonus
Stake £10 on Big Bass Bonanza & Get 50 Free Spins
  • Min Deposit£10
  • Wagering0x
  • Free Spins50
General Info
  • Payout Time48 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Poker Online Poker
  • Online Lottery Online Lottery
Payment Methods
ProsPros
  • Best UK Site for Lottery
  • Comprehensive selection of slots
  • Excellent customer support
ConsCons
  • Lacks some payment options
  • Missing some slot providers
Lottoland Casino impresses with its extensive range of lottery games and a remarkable selection of slots, offering a diverse and engaging gaming experience. Though aptly named for their affinity for lottery, Lottoland Casino delivers in more than one aspect of gaming
  • Min Deposit£10
  • Wagering0x
  • Free Spins50
General Info
  • Payout Time48 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Lottery Online Casino
  • Online Lottery Live Casino
  • Online Lottery Online Poker
  • Online Lottery Online Lottery
Payment Methods
ProsPros
  • Best UK Site for Lottery
  • Comprehensive selection of slots
  • Excellent customer support
ConsCons
  • Lacks some payment options
  • Missing some slot providers
Lottoland Casino impresses with its extensive range of lottery games and a remarkable selection of slots, offering a diverse and engaging gaming experience. Though aptly named for their affinity for lottery, Lottoland Casino delivers in more than one aspect of gaming
18+, New customers only, register, deposit and stake £10 on Big Bass Bonanza within 7 days, and claim 50 Free spins on Big Bass Bonanza. Free spins expire 30 days after credited. Ends 31/12/24 at 23:59 GMT. Full T&Cs Apply. begambleaware.org.
Welcome Bonus Welcome Bonus
100% Bonus Up To £200 + 25 Wager Free Spins
  • Min Deposit£10
  • Wagering35x
  • Free Spins25
General Info
  • Payout Time48 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
  • Slingo Slingo
Payment Methods
ProsPros
  • Great welcome offer
  • Hundreds of Slots
  • Live Chat available
ConsCons
  • No mobile app
  • Lacks live casino options
Neptune Play Casino’s welcome offer is a generous package, especially appealing to new players seeking to maximize their initial experience. The combination of a 100% bonus up to £50 with 110 spins, despite its specific terms, provides a valuable opportunity to explore the casino’s diverse gaming options
  • Min Deposit£10
  • Wagering35x
  • Free Spins25
General Info
  • Payout Time48 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Slingo Online Casino
  • Slingo Live Casino
  • Slingo Online Betting
  • Slingo Slingo
Payment Methods
ProsPros
  • Great welcome offer
  • Hundreds of Slots
  • Live Chat available
ConsCons
  • No mobile app
  • Lacks live casino options
Neptune Play Casino’s welcome offer is a generous package, especially appealing to new players seeking to maximize their initial experience. The combination of a 100% bonus up to £50 with 110 spins, despite its specific terms, provides a valuable opportunity to explore the casino’s diverse gaming options
#ad. 18+. Gamble Responsibly. Gambleaware.org. New Players Only. Min. Deposit £10. Wagering Requirement: 40x. Promotion available for 72 hours. Full T&Cs Apply.
Welcome Bonus Welcome Bonus
Wager £20 + Get 200 Wager Free Spins
  • Min Deposit£10
  • Wagering0x
  • Free Spins200
General Info
  • Payout Time48 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
  • Online Poker Online Poker
Payment Methods
ProsPros
  • No wagering requirements on winnings
  • Offers sportsbook
  • Appealing welcome offer
ConsCons
  • No bet builder in sportsbook
  • Withdrawals aren't always instant
Kwiff Casino offers a diverse range of games, including slots, live casino, table games, and sports betting, making it an attractive choice for various players. With an appealing welcome offer, ongoing promotions, and unique features like Supercharged Cash-Out and Surprise Bet, Kwiff Casino stands out as a fantastic all-in-one gaming platform that caters to different player preferences and needs.
  • Min Deposit£10
  • Wagering0x
  • Free Spins200
General Info
  • Payout Time48 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Poker Online Casino
  • Online Poker Live Casino
  • Online Poker Online Betting
  • Online Poker Online Poker
Payment Methods
ProsPros
  • No wagering requirements on winnings
  • Offers sportsbook
  • Appealing welcome offer
ConsCons
  • No bet builder in sportsbook
  • Withdrawals aren't always instant
Kwiff Casino offers a diverse range of games, including slots, live casino, table games, and sports betting, making it an attractive choice for various players. With an appealing welcome offer, ongoing promotions, and unique features like Supercharged Cash-Out and Surprise Bet, Kwiff Casino stands out as a fantastic all-in-one gaming platform that caters to different player preferences and needs.
New Players only. min £20 deposit. 40 Spins on Book of Dead per day after each qualifying wager in the first 5 days. max withdrawable winning £250. Ewallets excluded. Full T&Cs apply.
Welcome Bonus Welcome Bonus
Wager £10 get 20 Free Spins on Big Bass Splash
  • Min Deposit£10
  • Wagering0x
  • Free Spins20
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots400+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
Payment Methods
ProsPros
  • Great bookmakers
  • Easy to navigate
  • Responsive on mobile
ConsCons
  • Missing some slots
  • Lacks modern payment methods
Gentleman Jim Casino offers an engaging gaming experience with a range of classic and modern games. The user-friendly interface ensures smooth navigation, while the variety of slots and table games caters to diverse preferences. Customer support is responsive, making it easy for players to resolve issues promptly. The casino also emphasizes security, providing a safe environment for its patrons. Overall, Gentleman Jim Casino is a solid choice for both new and seasoned players looking for reliable entertainment.
  • Min Deposit£10
  • Wagering0x
  • Free Spins20
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots400+
  • Live Dealer GamesYes
Casino Games
  • Online Betting Online Casino
  • Online Betting Live Casino
  • Online Betting Online Betting
Payment Methods
ProsPros
  • Great bookmakers
  • Easy to navigate
  • Responsive on mobile
ConsCons
  • Missing some slots
  • Lacks modern payment methods
Gentleman Jim Casino offers an engaging gaming experience with a range of classic and modern games. The user-friendly interface ensures smooth navigation, while the variety of slots and table games caters to diverse preferences. Customer support is responsive, making it easy for players to resolve issues promptly. The casino also emphasizes security, providing a safe environment for its patrons. Overall, Gentleman Jim Casino is a solid choice for both new and seasoned players looking for reliable entertainment.
New customer offer The ‘free spins’ offer is for new Gentleman Jim customers only. Customers must be 18+ Customers must be residents of the UK. Opt in using the promo code ‘bigbassspins’ and make a minimum deposit of £10 Deposit a minimum of £10 and receive 20 free spins on Big Bass Splash.  The 20 Free spins will be added by 23:59 the day after qualification. The promotion is available from 01/06/2024 , until terminated by Gentleman Jim Bookmakers.. Only customers signing up through a recognised affiliate partner will be eligible for this promotion.
Welcome Bonus Welcome Bonus
100% Welcome Bonus up to £100 + 20 Extra Spins
  • Min Deposit£10
  • Wagering40x
  • Free Spins100
General Info
  • Payout Time24 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
  • Scratchcards Scratchcards
Payment Methods
ProsPros
  • Over 800 slots
  • Extensive live casino section
  • Great responsible gambling tools
ConsCons
  • Missing some slot providers
  • No deposit match offer
Magic Red Casino offers a magical gaming experience with an extensive game selection, particularly in Live Casino offerings. While it lacks a few popular providers, its fair bonuses, professional customer support, and commitment to security make it a solid choice for new players.
  • Min Deposit£10
  • Wagering40x
  • Free Spins100
General Info
  • Payout Time24 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Scratchcards Online Casino
  • Scratchcards Live Casino
  • Scratchcards Online Betting
  • Scratchcards Scratchcards
Payment Methods
ProsPros
  • Over 800 slots
  • Extensive live casino section
  • Great responsible gambling tools
ConsCons
  • Missing some slot providers
  • No deposit match offer
Magic Red Casino offers a magical gaming experience with an extensive game selection, particularly in Live Casino offerings. While it lacks a few popular providers, its fair bonuses, professional customer support, and commitment to security make it a solid choice for new players.
#ad. 18+. Gamble Responsibly. Gambleaware.org. New depositing players only. Min. deposit: £20. Max. bonus: £100 + 20 Bonus Spins on Big Bass Bonanza. Offer valid on the first deposit. Winnings won with bonus spins that require a deposit have no wagering requirements. The match-up bonus that requires a deposit must be wagered 40x. T&C’s Apply
Welcome Bonus Welcome Bonus
100% up to £200 + 100 Free Spins
  • Min Deposit£10
  • Wagering50x
  • Free Spins100
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots2500+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Lottery Online Lottery
  • Slingo Slingo
Payment Methods
ProsPros
  • Great choice of lottery games
  • Mobile app available
  • Extremely generous welcome bonus
ConsCons
  • Limited payment methods
  • No phone support available
  • Lacks some slot providers
Lottomart Casino may stand out primarily as a place for lottery, but its slot and live casino section shouldn’t be overlooked
  • Min Deposit£10
  • Wagering50x
  • Free Spins100
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots2500+
  • Live Dealer GamesYes
Casino Games
  • Slingo Online Casino
  • Slingo Live Casino
  • Slingo Online Lottery
  • Slingo Slingo
Payment Methods
ProsPros
  • Great choice of lottery games
  • Mobile app available
  • Extremely generous welcome bonus
ConsCons
  • Limited payment methods
  • No phone support available
  • Lacks some slot providers
Lottomart Casino may stand out primarily as a place for lottery, but its slot and live casino section shouldn’t be overlooked
£20 min. deposit. £200 max match. 50x wagering on Bonus + Free Spins winnings. Free Spins must be used to reveal playthrough. Game eligibility & contributions vary. 10p to £5 bet range. £1,000 max redemption. New players only. Exclusive to select customers. Limited time offer. Valid 7 days. 18+. BeGambleAware.org. Further T&C’s apply.
Welcome Bonus Welcome Bonus
Stake £10 and get 100 Free Spins
  • Min Deposit£5
  • Wagering0x
  • Free Spins100
General Info
  • Payout Time24 - 75 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
  • Online Poker Online Poker
  • Online Bingo Online Bingo
Payment Methods
  • Apple_Pay-Logo
  • Apple Pay
ProsPros
  • Mobile app available
  • Sports betting available
  • Great customer service
ConsCons
  • Lacks some slot providers
  • Withdrawals aren't always instant
Bet365 Casino delivers a robust and satisfying gaming experience, with room for growth through the addition of more popular slot providers and enhanced welcome offers.
  • Min Deposit£5
  • Wagering0x
  • Free Spins100
General Info
  • Payout Time24 - 75 Hours
  • Number of Slots500+
  • Live Dealer GamesYes
Casino Games
  • Online Bingo Online Casino
  • Online Bingo Live Casino
  • Online Bingo Online Betting
  • Online Bingo Online Poker
  • Online Bingo Online Bingo
Payment Methods
  • Apple_Pay-Logo
  • Apple Pay
ProsPros
  • Mobile app available
  • Sports betting available
  • Great customer service
ConsCons
  • Lacks some slot providers
  • Withdrawals aren't always instant
Bet365 Casino delivers a robust and satisfying gaming experience, with room for growth through the addition of more popular slot providers and enhanced welcome offers.
New Player Offer at bet365 – Discover bet365 Casino with 100 Free Spins
Deposit and stake £10 on eligible Casino slots to get 100 Free Spins. Time limits, game restrictions and T&Cs apply. Registration required
Welcome Bonus Welcome Bonus
Get up to £100 Casino Bonus
  • Min Deposit£10
  • Wagering0x
  • Free Spins
General Info
  • Payout Time48 Hours
  • Number of Slots+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
  • Scratchcards Scratchcards
Payment Methods
ProsPros
  • Generous bonuses and promotions
  • Exckusive selection of casino games
  • User-friendly mobile platform
ConsCons
  • Potential delays in the withdrawal process
  • Limited availability in certain regions
Fitzdares Casino is praised by FruitySlots for its vast game selection, generous bonuses, and dependable customer support, marking it as a top choice for gaming enthusiasts.
  • Min Deposit£10
  • Wagering0x
  • Free Spins
General Info
  • Payout Time48 Hours
  • Number of Slots+
  • Live Dealer GamesYes
Casino Games
  • Scratchcards Online Casino
  • Scratchcards Live Casino
  • Scratchcards Online Betting
  • Scratchcards Scratchcards
Payment Methods
ProsPros
  • Generous bonuses and promotions
  • Exckusive selection of casino games
  • User-friendly mobile platform
ConsCons
  • Potential delays in the withdrawal process
  • Limited availability in certain regions
Fitzdares Casino is praised by FruitySlots for its vast game selection, generous bonuses, and dependable customer support, marking it as a top choice for gaming enthusiasts.
New customers only aged 18+. Minimum deposit £10. Get a Casino Bonus matched to your first deposit, up to £100, after you stake £20 on slots, credited within 48 hours. Bonus expires in 7 days and has a 40x wagering requirement.
Additional T&Cs apply. Please bet responsibly.
Welcome Bonus Welcome Bonus
Wager £25 and Claim 80 Free Spins
  • Min Deposit£25
  • Wagering10x
  • Free Spins80
General Info
  • Payout Time72 Hours
  • Number of Slots100+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
  • Online Bingo Online Bingo
Payment Methods
ProsPros
  • Range of Games from popular Providers
  • Bingo & Live Casino available
ConsCons
  • Limited Payment Methods
  • No Live Chat
For a new Casino, NRG.BET does well to provide a wide range of Slots, Live Casino, and Table Games, with the addition of Sports Betting and Bingo for players who like to try different things. With time, we believe NRG.BET Casino will be a great one-stop shop for all your gambling needs.
  • Min Deposit£25
  • Wagering10x
  • Free Spins80
General Info
  • Payout Time72 Hours
  • Number of Slots100+
  • Live Dealer GamesYes
Casino Games
  • Online Bingo Online Casino
  • Online Bingo Live Casino
  • Online Bingo Online Betting
  • Online Bingo Online Bingo
Payment Methods
ProsPros
  • Range of Games from popular Providers
  • Bingo & Live Casino available
ConsCons
  • Limited Payment Methods
  • No Live Chat
For a new Casino, NRG.BET does well to provide a wide range of Slots, Live Casino, and Table Games, with the addition of Sports Betting and Bingo for players who like to try different things. With time, we believe NRG.BET Casino will be a great one-stop shop for all your gambling needs.
Sign Up using the Promo Code nrg80 and make a minimum deposit of £25. Then wager a minimum of £25 on any casino slots and receive 80 Free Spins on Big Bass Bonanza. This promotion is for new customers only. Customers must be 18+. The free spins will be credited within 48 hours from qualification.
Welcome Bonus Welcome Bonus
100 Free Spins When You Wager £10
  • Min Deposit£10
  • Wagering35x
  • Free Spins100
General Info
  • Payout TimeInstant - 72 hours
  • Number of Slots1000+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Online Betting Online Betting
  • Online Poker Online Poker
  • Scratchcards Scratchcards
Payment Methods
  • Apple_Pay-Logo
ProsPros
  • Great payment options
  • Extensive slot library
  • Mobile apps available
ConsCons
  • Withdrawals aren't always instant
  • Customer service can be slow during busy periods
BetMGM UK excels with its expansive selection of high-quality games, generous bonuses, and exceptional live casino offerings, making it a top choice for online gaming enthusiasts seeking a comprehensive and engaging experience.
  • Min Deposit£10
  • Wagering35x
  • Free Spins100
General Info
  • Payout TimeInstant - 72 hours
  • Number of Slots1000+
  • Live Dealer GamesYes
Casino Games
  • Scratchcards Online Casino
  • Scratchcards Live Casino
  • Scratchcards Online Betting
  • Scratchcards Online Poker
  • Scratchcards Scratchcards
Payment Methods
  • Apple_Pay-Logo
ProsPros
  • Great payment options
  • Extensive slot library
  • Mobile apps available
ConsCons
  • Withdrawals aren't always instant
  • Customer service can be slow during busy periods
BetMGM UK excels with its expansive selection of high-quality games, generous bonuses, and exceptional live casino offerings, making it a top choice for online gaming enthusiasts seeking a comprehensive and engaging experience.
New cust only. Opt in & deposit £10 in 7 days & wager 1x in 7 days on any casino game (excluding live casino & tablegames) for 100 Free Spins. Wagering contributions vary. Free Spins worth 10p each on Big Bass Splash. 3 day expiry. 18+. T&Cs apply.
Welcome Bonus Welcome Bonus
£100 Welcome Bonus + 100 Free Spins
  • Min Deposit£10
  • Wagering50x
  • Free Spins100
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots499+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Slingo Slingo
  • Scratchcards Scratchcards
Payment Methods
ProsPros
  • Recognisable brand
  • Excellent choice of live games
  • Great user interface
ConsCons
  • Lacks some payment methods
  • Lacks some game providers
  • Min Deposit£10
  • Wagering50x
  • Free Spins100
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots499+
  • Live Dealer GamesYes
Casino Games
  • Scratchcards Online Casino
  • Scratchcards Live Casino
  • Scratchcards Slingo
  • Scratchcards Scratchcards
Payment Methods
ProsPros
  • Recognisable brand
  • Excellent choice of live games
  • Great user interface
ConsCons
  • Lacks some payment methods
  • Lacks some game providers
New customers only. You must opt in (on registration form) & deposit £20+ to qualify. Offer valid 7 days from registration. Debit card deposits only. Welcome Bonus: 100% match bonus up to £100 on 1st deposit. 50x wagering applies (as do weighting requirements). Free Spins: Awarded on Big Bass Bonanza once you have staked £20. Spin value = 20p. No wagering requirements on free spin winnings. Full Terms
Welcome Bonus Welcome Bonus
Claim 100 Free Spins Daily
  • Min Deposit£10
  • Wagering0x
  • Free Spins100
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots+
  • Live Dealer GamesYes
Casino Games
  • Online Casino Online Casino
  • Live Casino Live Casino
  • Slingo Slingo
  • Scratchcards Scratchcards
Payment Methods
  • Pay by mobile
ProsPros
  • Daily free spins and continued promotions
  • Wide variety of payment methods
  • Over 600 slots, live casino, and table games
ConsCons
  • No live chat
  • Missing certain providers
The Phone Casino may not have an enticing name, yet it delivers customer satisfaction where it matters. Become the latest member and benefit from 100 Free Spins daily, with no hidden fees, wagering requirements, or minimum deposit required!
  • Min Deposit£10
  • Wagering0x
  • Free Spins100
General Info
  • Payout Time24 - 72 Hours
  • Number of Slots+
  • Live Dealer GamesYes
Casino Games
  • Scratchcards Online Casino
  • Scratchcards Live Casino
  • Scratchcards Slingo
  • Scratchcards Scratchcards
Payment Methods
  • Pay by mobile
ProsPros
  • Daily free spins and continued promotions
  • Wide variety of payment methods
  • Over 600 slots, live casino, and table games
ConsCons
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Slots RTP: How Does It Work?

RTP, or Return to Player, is a statistic that indicates how much money an online slot machine pays out to its players over time. For example, if “Panda” is a wonderland inspired slot machine with a theoretical RTP of 96%, it implies that the player will get £96 back for every £100 wagered. It is important to keep in mind that Return to Player is not meant to be used to forecast the results of a particular session; rather, it is based on millions of spins. The house edge and RTP are not the same thing. A 96% RTP slot machine has a 4% house edge, which is the casino’s profit margin. RTP levels normally fall between 92% and 99%, with higher RTP slots providing longer-term opportunities for larger payouts.
A common misconception among slot players is that the RTP guarantees short-term wins or it determines the cold and hot streaks. In reality, best online slots are governed by a Random Number Generator (RNG) and each spin is independent to ensure fairness and randomness in gameplay. You can try real money slots with higher RTP to enjoy better long-term payout and gaming experience.

How is Online Slots RTP Calculated?

There is a common misconception that a slot’s RTP is calculated based on your current wagers, which is false. This perception only reflects your average RTP for that particular session. In reality, the actual Slots RTP is calculated over millions of spins by a high-tech RNG (Random Number Generator). This RNG sets an average slot RTP based on the combined sessions of thousands of players across all online casinos offering that slot.

Given how RTP is calculated, some argue it isn’t as crucial as it seems. For slots calculated RTP, providers simulate millions of spins to get the average return to player. Since the average player session doesn’t come close to a million spins, the relevance of RTP in short-term play can be questioned. To find high RTP slots, visit our best online slots sites page to explore the best picks today.

The Relationship Between RTP and Volatility

The level of complexity in the tempo and flow of music is similar to RTP (average return) and volatility (frequency of wins). Like a piece’s tempo, RTP establishes the average speed or return you can anticipate. Similarly to rhythm complexity, volatility indicates the frequency and magnitude of tempo variations (wins or losses). These things work independently, so the tempo and intensity may change often, or there may be a steady, moderate tempo with regular returns.

For example, a slot with a 96% RTP is theoretically set to return £96 for every £100 wagered. On the other hand, volatility describes the frequency and size of payouts. High-volatility slots pay out less frequently but offer larger wins, while low-volatility slots pay out more frequently but in smaller amounts.

While top RTP games offer better long-term returns, volatility affects the gameplay experience. A high RTP slot with high volatility can be thrilling, with big wins spaced out, whereas a low volatility slot with high RTP provides steady, smaller wins. Understanding the relationship between RTP and volatility helps players choose slots that match their risk preference and gaming style.

High RTP Slots & Low Volatility

High RTP Slots & Low Volatility

Slots with high RTP and low volatility are well known for offering frequent but low payouts. Players enjoy a stable and predictable gaming experience. Such slots are popular among risk-averse players who prefer steady payouts over risky gameplay with huge wins. By picking low volatility slots with high RTP, players get to enjoy an extended gameplay with almost zero adrenaline rush. Some classic slots with high RTP and low volatility include:

  • Ugga Bugga (99.07%)
  • Ooh Aah Dracula (99%)
  • Mega Joker (99%)
  • Book of 99 (99%)
High RTP Slots & Medium Volatility

High RTP Slots & Medium Volatility

High RTP slots with medium volatility creates a blend of low and high volatility to give players a fusion of small wins and occasional huge payouts. These create a thrilling gaming experience with moderate risks and game pays. They are popular among all sorts of players who look for a balanced gameplay and steady payouts with a chance to win huge payouts. Some of the highest paying slots with medium volatility include:

  • Jackpot 6000 (98.86%)
  • JOKERIZER (98%)
  • 1429 Uncharted Seas (98.6%)
  • Rainbow Riches (98%)
High RTP Slots & High Volatility

High RTP Slots & High Volatility

High volatility slots are defined by their infrequent yet potentially substantial payouts, making them exhilarating yet unpredictable. These games offer the allure of significant wins but often come with extended periods of no payouts, known as dry spells. Popular high volatility slots include Wild Joker Stacks, boasting an RTP of 97.4 %, and Dead or Alive II, with 96.8 % RTP. These slots are best suited for players with ample bankrolls and a high tolerance for risk, seeking the thrill of chasing substantial rewards despite the intermittent nature of their payouts.

  • Esqueleto Explosivo (97.6%)
  • Magicious (97.6%)
  • Kings of Chicago (97.8%)

How Do High RTP Slots Affect Gameplay?

High RTP slots often have a return-to-player percentage of 97% or greater. These games are designed to return a considerable percentage of wager to players in long play sessions, resulting in a lower house edge. Despite its high RTP, these slots may still be cold since the outcomes of slots are randomised. Players must have proper bankroll management when playing high RTP slots. It is critical to help them to significantly extend their bankroll or wager higher stakes. Even though high RTP slots have their benefits, it is still important to gamble responsibly. Explore our recommended UK slot sites for a selection of these games.

Factors That Influence Slot RTP

The RTP of any slot game is influenced by several factors. Determining how much wager is returned to the player can be affected by game design, mathematical models or regulatory requirements. It is very important for players to understand these factors before picking any random online slot to play for fun or real money. Continue reading this guide for more insights and discover top-rated slots with high RTP in the UK’s best online casinos.

Game Features

Slot game features are crucial in shaping the gaming experience and potential winnings. Among the key features are bonus rounds and special symbols, significantly affecting gameplay dynamics and potential payouts.

  • Bonus Rounds: Bonus rounds are extra features in slot games that are triggered by specific symbols or combinations. They often offer a player more chances to win with bonus spins, progressive jackpots, multipliers, or bonus mini-games. Every player is always hungry to trigger these bonus features since they can pay the jackpot prize or increase total payouts while adding a sense of excitement to the gameplay.
  • Special Symbols (Wilds, Scatters): Wild symbols replace other symbols to form winning combinations, while scatter symbols often activate the bonus rounds or free spins. Players can easily win the maximum payout when they land a winning combo of these special symbols. However, in some cases, players must use the special symbols wisely for maximum payout in a slots game.
  • Betting Limits: Betting limits are the minimum and maximum bet amounts that players can wager in a single spin. They help players to determine the risks and possible returns.
Impact of Minimum and Maximum Bets

Impact of Minimum and Maximum Bets

Minimum and maximum bets directly affect gameplay dynamics and potential payouts. Higher bets often correlate with increased chances of hitting larger payouts or triggering progressive jackpots. Conversely, lower bets can prolong gameplay sessions and reduce risk. Understanding and adjusting betting limits according to one’s bankroll and gaming strategy are crucial for maximising enjoyment and potential winnings in slot games.

Pros & Cons of Playing High RTP Slots

Playing High RTP Slots has its advantages, but it might not be the best option for everyone. Online casinos have a number of options with both high and low RTP casino games, but which should you choose? and why wouldn’t you choose high RTP slots?

High RTP (Return to Player) slots are popular among players looking for better returns on their wagers over time. While they offer several advantages, they also come with some drawbacks. Here’s a look at the pros and cons of playing high RTP slots.

Pros

  • Higher chances of winning over the long term.
  • Lower house edge, leading to potentially longer play sessions.
  • Better theoretical returns on your wagers.

Cons

  • High RTP doesn’t guarantee short-term wins.
  • Some high RTP slots may have a lower maximum payout.
  • High RTP can lead to longer periods without significant wins.
Pros & Cons of Playing High RTP Slots

Listing The Top RTP Slots UK

High RTP (Return to Player) slots are a top choice for players seeking the best returns on their wagers. These slots are designed to offer better payout percentages over extended gameplay, making them a favourite among seasoned and new players alike. In this section, we’ve curated a list of the highest RTP slots available to UK players, each with unique features and impressive payout rates. Discover which games can enhance your gaming experience with potentially higher returns.

UGGA BUGGA (PLAYTECH) – 99.07% RTP
UGGA BUGGA (PLAYTECH) – 99.07% RTP

Playtech’s Ugga Bugga takes you on a virtual journey into a tropical jungle. There is no technology, and that’s because it’s home to a tribal community, complete with bongo drums, fruits, spears and huts. This online slot is known for being one of the highest RTP slot games in the industry! Make a note of some of the symbols, as you will need them to win up to 1000x your stake when you line up three masks on the game’s three reels. Importantly, you can only win the maximum multiplier if you maximise your stakes by betting on all pay lines. Otherwise, expect smaller wins by triggering other symbols in the game. For example, a black mask on all reels earns 125x your stake. In contrast, a brown hut wins you 30x your bet.

Play Ugga Bugga at: VideoSlots

MEGA JOKER (NETENT) – 99% RTP
MEGA JOKER (NETENT) – 99% RTP

In an industry full of Joker-themed slot games, choose Mega Joker by NetEnt for a great RTP return. Not only is it a progressive jackpot slot game with a magnificent design and gameplay, but it is one of the highest RTP slot machines. It pays out 99% of wagered money, to be precise—an attention-grabbing percentage. The game features classic fruit and bell symbols, with the only addition being the joker. It’s incredibly simple to play: you can bet as little as ten cents, and there are only five paylines. That’s alright, though, and easy to understand for new players. As mentioned, Mega Joker is a beloved game with numerous multipliers and a free spins feature. You can win up to 2000x your bet when you line up joker symbols on all five reels. And if you qualify for the super metre mode (the equivalent of a bonus round), you could land a progressive jackpot of 6000 coins.

Play Mega Joker at: Leo Vegas casino

BOOK OF 99 (RELAX GAMING) - 99% RTP
BOOK OF 99 (RELAX GAMING) - 99% RTP

Book of 99 is one of the top paying slots developed by Relax Gaming. It is renowned for its thrilling gameplay features, bonus spins, and high game pays. This highest RTP slot game is inspired by ancient Egypt and offers players an exciting journey. The Book symbol acts as both a wild and scatter. It substitutes for symbols and triggers lucrative bonus spins, adding suspense and potential for the maximum payout. This slot from Relax Gaming combines lucrative features with fascinating themes to create a stimulating gaming environment.

Play Book of 99 at: Wild West Casino

RAINBOW RICHES (BARCREST) – 98% RTP
RAINBOW RICHES (BARCREST) – 98% RTP

There’s a reason why Rainbow Riches is now offered at most of the UK’s best online casinos.. It’s a slot game on high demand, and deservedly so. For starters, it pays out at an incredibly high rate. A 98% RTP slot with low volatility. Then it has a unique feature called “big bet” which triggers winning symbols continuously akin to Gonzo’s Quest’s cascading reels. What’s more, Rainbow Riches is a Megaways slot game and comes with 117,649 ways to win. For the uninitiated, Megaways feature a modifier that changes the symbols appearing on reels after every spin. That leads to thousands of ways to win. This game is among the most popular high RTP slots in the UK.

Play Rainbow Riches at: Play Sunny Casino

OOH AAH DRACULA (BARCREST) – 99% RTP
OOH AAH DRACULA (BARCREST) – 99% RTP

If you’re a high roller, this game is willing to give you a 99% RTP. The requirement is to bet five spins for £30, and you’ll receive an exclusive super-graveyard bonus that elevates the RTP from 96% to 99%. Insane, high RTP slot. Of course, you don’t need to be a high-roller to take a visit to Dracula’s graveyard. You can bet as little as ten cents per spin and still qualify for the 5000x jackpot. All you need is to trigger the game’s logo on all five reels. Activating the logo on four reels earns you 500 coins. You can also make money by finding Dracula for 1000 coins or the castle for 500 coins. If The bonus round also comes with free games when you trigger the wild and other paying symbols. Try this jackpot slot from Barcrest to stand a chance to win cash prizes and bonus spins.

Play Ooh Aah Dracula at: Mr Play

1429 UNCHARTED SEAS (THUNDERKICK) – 98.6% RTP
1429 UNCHARTED SEAS (THUNDERKICK) – 98.6% RTP

Ever wondered what life was like in the 1400s? 1429 Uncharted Seas give you a glimpse of that era through the lenses of seamen. It starts with a ship cruising through an unnamed sea. Then a map appears to display the game’s reels and symbols. This 98.6% RTP slot has 25 pay lines, five reels and images befitting of the middle ages. There’s a mermaid that pays out 50x your stake, an octopus (10x) and several more icons that pays out smaller amounts. Indeed, 1429 Uncharted Seas is a low volatile slot. That means it pays out regularly but in small amounts. Fortunately, the game also displays images that earn you up to 50 free spins which is one of the bonus features. Great slot to beat wagering requirement unless you play at no wagering casinos.

Play 1429 Uncharted Seas at: Mr Vegas