Best online slots UK - top slots casinos for 2024

Top UK online slots casinos for real money

• 1

  Pub Casino4.2/5 Read review

  Welcome Package

  100% match up to £100

  • Games: 300+

  • Win Rate: 98.76%

  • Payout Speed: 24 hours

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  18+ | New UK players only | Maximum bonus is 100% up to £100 | Minimum deposit is £10 | No max cash out | Wagering is 40x for bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Skrill & Neteller deposits excluded for welcome bonus | Cashback when offered, applies to deposits where no bonus is included | Cashback is cash with no restrictions | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 2

  All British Casino4.7/5 Read review

  Welcome Package

  100% up to £100 + 10% cashback

  • Games: 1,200+

  • Win Rate: 96.85%

  • Payout Speed: 24 hours

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  18+ | New UK players only | Maximum bonus is 100% up to £100 | Minimum deposit is £20 | No max cash out | Wagering is 35x for bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Skrill & Neteller deposits excluded for welcome bonus | Cashback when offered, applies to deposits where no bonus is included | Cashback is cash with no restrictions | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 3

  JackpotCity Casino4.6/5 Read review

  Welcome Package

  100% up to £100 + 100 free spins

  • Games: 450+

  • Win Rate: 97.43%

  • Payout Speed: 1 working day

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  50x wagering, $20 Min deposit, New customers only T&C Apply, 18+

• 4

  Fun Casino4.5/5 Read review

  Welcome Package

  100% up to £123

  • Games: 1,500+

  • Win Rate: 97.02%

  • Payout Speed: 1-3 working days

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  18+ | New UK players only | Maximum bonus is 100% up to £123 | Minimum deposit is £10 | No max cash out | Wagering is 50x for bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Skrill & Neteller deposits excluded for welcome bonus | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 5

  Winomania4.3/5 Read review

  Welcome Package

  100% match up to £100 + 100 bonus spins

  • Games: 700+

  • Win Rate: 97.06%

  • Payout Speed: 2 working days

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £100 + 100 Free Spins on Big Bass Splash | Minimum deposit is £10 | Max cashout is 3x the bonus | Max cashout from bonus winnings is £100 | Wagering is 40x for bonus money and bonus spins | Maximum bet with an active bonus is £2 | 30-Day Bonus money expiry | 24-Hour bonus spins expiry | Bonus is valid for selected games only | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 6

  Betway Casino4.7/5 Read review

  Welcome Package

  Stake £10 get 125 free spins

  • Games: 450+

  • Win Rate: 98.28%

  • Payout Speed: 1-2 working days

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  18+ | New UK players only | Make a successful £10 deposit and £10 stake on Casino, Vegas or Live Casino, and get 125 free spins on Hold and Spinner | Free spins come with a value of £0.10 per spin | No wagering requirements on free spin winnings | Debit Card deposit only (exclusions apply) | This offer is valid 7 days from the new account being registered | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 7

  MagicRed 4.5/5 Read review

  Welcome Package

  100% up to £100

  • Games: 4,000+

  • Win Rate: 96.71%

  • Payout Speed: 0-2 working days

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £100 | Minimum deposit is £10 | Wagering is 40x for bonus | Bonus must be wagered within 1 day of being credited to your account | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 8

  Mr Mega4.4/5 Read review

  Welcome Package

  100% up to £50

  • Games: 1,350+

  • Win Rate: 97.10%

  • Payout Speed: 0-2 working days

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £50 | Minimum deposit is £10 | Wagering is 35x for bonus | Bonus must be wagered within 21 days of being credited to your account | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 9

  Luna Casino

  Welcome Package

  100% up to £50 + 50 free spins

  • Win Rate: 94%

  • Payout Speed: 1-2 days

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £50 + 50 Free Spins on Book of Dead | Minimum deposit is £20 | Wagering is 30x for bonus money and 60x for free spins | Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies) | 30-Day bonus expiry | Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos | Spins must be used and/or Bonus must be claimed before using deposited funds | Bonuses do not prevent withdrawing deposit balance | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 10

  Duelz Casino4.4/5 Read review

  Welcome Package

  100% up to £100 + 100 free spins

  • Games: 2,000+

  • Win Rate: 97.00%

  • Payout Speed: 0-2 working days

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £100 + 100 Free Spins on Book of Dead | Minimum deposit is £20 | Max cashout from welcome bonus money winnings is £500 | Max cashout from free spins winnings is £100 | Wagering is 30x for bonus money and 45x for free spins | Maximum bet with an active bonus is £2 | 100 Free Spins are given out 20 per day on Book of Dead for 5 days in a row, log in each day is required | 30-Day Bonus money expiry | 3-Day free spins expiry | Some games may not be played with a bonus. Games may contribute differently when wagering a bonus | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 11

  LeoVegas4.6/5 Read review

  Welcome Package

  Up to £100 + 50 free spins

  • Games: 2,000+

  • Win Rate: 96.78%

  • Payout Speed: 24 hours

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  18+ | New UK players only | Maximum bonus is 100% on first two deposits up to £100 + 50 Free Spins on Big Bass Splash | Minimum deposit is £10 | Wagering is 35x for bonus money and no wagering for free spins | Free spins come with a value of £0.10 per spin | Bonuses must be claimed within 7 days of registration | 7-Day Bonus money expiry | 3-Day free spins expiry | Wagering/game contributions vary | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 12

  Yeti Casino4.5/5 Read review

  Welcome Package

  100% up to £111 + 100 free spins

  • Games: 2,500+

  • Win Rate: 96.00%

  • Payout Speed: 0-1 working days

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £111 + 100 Free Spins on Book of Dead | Minimum deposit is £10 | No restrictions while playing with cash | Wagering is 60x for bonus money and free spins | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Skrill & Neteller deposits excluded for welcome bonus | 30-Day bonus expiry | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 13

  Spin Station4.5/5 Read review

  Welcome Package

  100% up to £250 + 20 free spins

  • Games: 2,000+

  • Win Rate: 95.81%

  • Payout Speed: 1-2 working days

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £250 + 20 Free Spins on Starburst | Minimum deposit is £20 | Max cashout from free spins winnings is £100 | Wagering is 35x for bonus money and free spins | Maximum bet with an active bonus is £5 | 30-Day bonus money expiry | 72-Hour free spins expiry | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 14

  Hey Spin4.3/5 Read review

  Welcome Package

  100% up to £25 + 25 free spins

  • Games: 4,000+

  • Win Rate: 97.11%

  • Payout Speed: 0-2 working days

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £25 + 25 Free Spins on Book of Dead | Minimum deposit is £20 | Wagering is 35x for bonus money and free spins | 21-Day bonus money expiry | 24-Hour free spins expiry | Gambling is addictive, please play responsibly | T&C Apply, 18+

• 15

  21LuckyBet4.3/5 Read review

  Welcome Package

  100% up to £200 + 20 free spins

  • Games: 2,500+

  • Win Rate: 97.05%

  • Payout Speed: 1 working day

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  18+ | New UK players only | Maximum bonus is 100% on first deposit up to £200 + 20 Free Spins on Book of Dead | Minimum deposit is £10 | Max Cashout is x3 the bonus | Max cashout from free spins winnings is £20 | Wagering is 50x for bonus money and free spins | 30-Day bonus money expiry | 7-Day free spins expiry | Wagering/game contributions vary | Skrill & Neteller deposits excluded for welcome bonus | Gambling is addictive, please play responsibly | T&C Apply, 18+

Online slot sites – our top 5 picks

Knowing which online casino offers the best experience can make all the difference when you play slots online. After vetting dozens of gambling sites in the UK for game selection, graphics, bonuses and more, our experts have ranked the following operators as the best online slots casinos:

Game of the month

Gates Of Olympus

• RTP 95.5%
• Bets £0.20 - £125
• Max win £625,000

Play for real moneyPlay for free

Please note that you must be aged 18 or older to play our games.

Highest paying slot games for UK players

Not all online slots are created equal, with some offering better chances of a payout than others. While there’s no way of guaranteeing a win, choosing slot games with higher return to player percentages (RTP) will theoretically give you a better chance at winning real money. 

RTP is displayed as a percentage and indicates how much of your money you can expect to get back when playing a casino game over time. The industry average is 96%, but the best online slot payout percentages are 98% and higher. Give these high-paying slots a try to increase your chances of winning when you spin the reels:

Best online slots for real money

While RTP has a significant impact on gameplay, UK players also love slots with high maximum win potential and exciting bonus features. Check out the top 10 best online slots for real money gaming below:

1. Book of Dead

Rich Wilde is the main character in this Indiana Jones-style slot. Book of Dead is a fan favourite, boasting a decent 96.21% RTP, and in-game bonuses including wilds, scatters and a special expanding symbol that will trigger a payout worth 5,000x your stake when it covers the entirety of the reels!

2. Big Bass Bonanza

Big Bass Bonanza is so successful that it’s spawned numerous sequels, including our all-time favourite Bigger Bass Bonanza. The original has a fun fishing theme, immersive soundtrack and various bonus features, including scatters, free spins and re-triggers to enhance gameplay.

3. Starburst

Set against a cosmic backdrop, Starburst is an iconic slot from leading slot provider NetEnt. The 5-reel, 10-payline slot has a 96.09% RTP and is optimised for play on all devices, including iPhone and Android. While it’s classic in style, it remains a top pick for gamblers thanks to its simple gameplay and low volatility, meaning you’re likely to enjoy small but frequent wins. 

4. Cleopatra

Cleopatra is a popular ancient Egyptian-themed slot featuring classic cultural symbols such as the Sphinx, river Nile and hieroglyphics. While it has a mid-range RTP of 95.02%, the max win of 10,000x your bet makes it hard to pass up on. You can boost your payout by triggering the various unique features, which include wilds, scatters and free spins.

5. Big Bass Splash 

Big Bass Splash is one of the most popular titles in the ‘Big Bass’ series from Pragmatic Play. On this fishing adventure, you’ll need to hook the various symbols to land a payout. The wild and the scatter are the most valuable, with five scatters triggering a free spins round that could see you win 5,000x your bet.

6. Rainbow Riches

Rainbow Riches appeals to high rollers and casual players alike due to its wide betting limit. You can spin the reels for as little as £0.20 all the way up to £500 per spin. The game offers three different bonus games – Road to Riches, Wishing Well and Pots of Gold – all of which offer a top prize of 500x your stake. There’s also an autoplay feature for those of you who want to watch the reels play out without lifting a finger.

7. Dead or Alive

Released in 2009, Dead or Alive is an innovative NetEnt slot with a gunslinger theme. Prolific outlaws such as Jesse James and Billy the Kid are the slot’s special symbols and will appear on ‘Wanted’ posters. These wilds become sticky during the free spins bonus game to offer wins of over 13,000x your stake!

8. Immortal Romance

Immortal Romance is a fun vampire-themed game with top-notch graphics and a higher-than-average 96.86% RTP. There are 243 ways to win in this Microgaming slot, which also features a Wild Desire bonus that could pay out 12,000x your bet.

9. Gonzo’s Quest

Join Gonzo in his quest to uncover the lost city of Eldorado in this popular NetEnt slot. The 5x3 reels feature Peruvian-inspired symbols, high-quality graphics, an immersive soundtrack and plenty of bonus features. The Free Fall bonus is where the real fun begins, with an Avalanche feature that applies multipliers of up to 15x, leading to potential wins of 37,500x.

10. Break Da Bank Again

Break Da Bank Again is a popular Microgaming slot with a mid-range RTP of 95.43%. The money heist-themed slot has low betting limits of £0.01 to £22.50 per spin, making it an ideal choice for budget bettors. There’s also a rewarding free spins bonus game that can award 15, 20 or 25 free spins based on whether three, four or five scatters are in view.

Types of online slots

There are several types of online slot machines, each offering a different experience when you spin the reels. Here are the most popular online slot types in the UK:

Play 16,500+ free slots online

Online slot game features

We’ve already mentioned some of the key features you’ll come across when playing UK online slots, such as symbols and wilds. In this section, we’ll breakdown what each of those mean:

• Symbols

  Symbols are the icons that land in place after you spin the reels. Most slot games feature playing cards (Jack, Queen, King and Ace) as lower-paying symbols, while the high-paying symbols typically mirror the slot’s theme. You’ll also find bonus symbols, such as wilds and scatters in modern slots.

• Paylines

  Paylines are the invisible lines on which a payout is awarded based on a winning combination of symbols. Classic online slots typically have 10 paylines, but you can find new online slots with hundreds of thousands of paylines. You’ll usually need to match three or more symbols on an active payline to secure a payout.

• Free spins

  Online slots with free spins are some of the most-played slot games, as they offer you the chance to spin the reels risk-free. Moreover, a game’s max win or jackpot can usually be triggered during a free spins bonus. Typically, three or more scatter symbols will activate a free spins round, but this will vary depending on the software provider.

• Wilds

  Wilds are a special type of symbol that can substitute for all other symbols (except the scatter) to help you land a winning combination. In some games, these can also transform into expanding or sticky wilds to boost your payout.

• Scatters

  Scatter symbols can trigger a variety of bonus features. As the name suggests, they don’t need to land on a fixed payline to activate, but can appear scattered across the reels as long as the required number is showing (usually three).

• Bonus games

  Bonus online slots are incredibly fun to play as they trigger mini-games such as pick-me, spin-the-wheel, respins and more. These games provide additional gameplay to help you maximise your winnings and land instant cash prizes.

Top UK slot software providers

Best online slot bonuses

The best real money casinos offer bonuses and promotions that you can use on hundreds, if not thousands, of slot games to get extra value from your bankroll. Discover some of the most common casino bonuses for online slots in the UK:

• Welcome bonus: Exclusive to new players, a welcome bonus is often the most generous offer. It is usually awarded as a deposit match bonus or free spins and can be activated after registering and making a qualifying deposit.

• Free spins: A free spins bonus is tailored specifically to online slots. Each free spin will be assigned a fixed value (usually £0.10), which you can use to play your favourite games.

• No deposit bonus: The no deposit bonus allows you to play selected slot games risk-free. In most cases, you’ll only need to register an account to claim a no deposit online slots bonus.

Real money slots vs. free slots

While nothing beats the excitement of playing slots for a chance to win real money, there are advantages to playing free slots first. Check out the pros and cons for free and real money slots below:

How to play slots online

Playing slots online in the UK is easy. Learn how in our simple step-by-step guide:

1. 1

   Select your chosen casino from our list of recommended online slot sites.

2. 2

   Tap the ‘Sign-up’ or ‘Register’ button to create an account. Then, complete the registration form by submitting your name, email, address and date of birth to verify you’re of legal gambling age.

3. 3

   Deposit funds via your preferred method. You can also claim the casino’s welcome bonus at this stage.

4. 4

   Head to the game lobby and choose a slot game that suits your preferences.

5. 5

   Place your bet using the game controls to adjust your stake amount, and hit ‘Spin’ to set the reels in motion!

How to win online slots

There’s no way to guarantee a win when playing online slots, as they all use random number generator (RNG) technology to ensure that outcomes are unpredictable and fair. That said, these expert tips will help maximise your playing experience:

1. 1

   Choose the right slot:  When getting started, play slots with high RTPs and bonus features, as this will help boost your chances of winning a payout.

2. 2

   Practice for free:  There are plenty of demo slots that you can play for free online. Playing for free will help familiarise yourself with a game’s mechanics before you place real money bets.

3. 3

   Stick to your budget:  Responsible gambling means never betting what you can’t afford. Set a budget and stop playing once you reach it.

4. 4

   Claim casino bonuses:  Bonuses and promotions will boost your bankroll and extend your gaming session.

5. 5

   Check the paytable:  All slots have a unique paytable showing the values of the symbols featured in the game. Study this so you know which ones are the most valuable.

FAQs

• How do online slots work?

  Online slots work by awarding a payout for a winning combination that lands after the reels are spun. You simply have to place your bet and hit ‘Spin’ to set the reels in motion.

• What are the best online casinos for slot games?

  Grosvenor Casino, All British Casino, Mr Mega, MagicRed and LeoVegas are our experts’ top-rated online slots casinos.

• Do online slots pay out real money?

  Yes. If you play online slots for real money, you can win an actual cash payout. This will be instantly rewarded after a winning spin.

• Can I play slot games on mobile?

  Absolutely. Most mobile casinos in the UK provide online slots, which you can play from your smartphone browser or the casino’s dedicated app if it has one.

• What is a slot’s payout percentage?

  Payout percentages are another term for RTP and refer to the amount of money you can expect to receive back when playing an online slot over time. For example, a slot with 98% RTP will theoretically pay out £98 for every £100 wagered on average.

• Has anyone won big on online slots?

  Of course, many Brits have won life-changing amounts playing online slots. Jon Heywood won £13.25 million on Mega Moolah 25 minutes after registering a casino account back in 2015. More recently, in 2023, a lucky player in Newcastle won £5.4 million playing King Kong Cashpots from just a £1.40 wager!

• Do slot games have stake limits in the UK?

  On 23 February 2024, the UK government introduced new stake limits for online slot games as part of the white paper on gambling reform. From September 2024, gamblers over 25 will be limited to £5 per spin on online slots, while those aged 18-24 will have a £2 limit. The white paper outlined several other measures, including a statutory levy for research, prevention and treatment of problem gambling and financial risk checks.

Lauren Le-Hair

Verified expert

Casino & slots expert

Lauren has been working in the iGaming industry for several years. She has considerable experience writing about the gambling industry, covering different markets, including the UK. Lauren enjoys playing blackjack or trying out the latest slot games in her spare time.