Looking for a trustworthy guide on the best UK slot sites and games? You're in the right place!
I’ve created this top-to-toe guide to give you all you need to know about slots and slot sites. It’s packed with tips, advice and information on a range of topics including RTP, safer gambling and software providers. I’ve even shared with you the UK’s best slot sites, so that you can choose somewhere decent to suit your needs. Ready to dive in?
Recommended Slot Sites and Slots Games for January 2026
Discover our hand-picked selection of casinos and online slots ideal for UK players!
Affiliate Disclosure:At CasinoHawks.com, we strive to connect players with the best casino offers tailored to their needs. Some of the links on our site are affiliate links, meaning that if you click on one and make a deposit, CasinoHawks.com may earn a commission—at no additional cost to you
18+ | Play Responsibly
| Gambleaware.org
| Players must make a minimum deposit of £10. Bonus or any winnings from the free spins must be wagered 10x before a withdrawal may be made. Bonus funds expire 30 days and free spins expire after in 7 days. Max conversion: 1x the bonus amount or from free spins: £4. Excluded Skrill and Neteller deposits.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New players only and opt-in required. Min deposit £10. Max bonus £25 and 50 free spins on selected game. Bonus subject to 10x wagering requirement within 60 days. Bonus is paid out in 10% increments of the maximum deposit match amount. This means for every 10% of the total wagering requirement satisfied, 10% of the bonus will be paid out. Max bonus bet £2. Free spins, expire after 7 days, are wager free and paid as cash.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New UK customers only. Opt-in required. Deposit and wager £10 on selected games within 7 days of sign up to claim 200 wager-free spins on Big Bass Splash. Free spins worth 10p each and are valid for 3 days. Free spins do not have any wagering requirements. One offer per player.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| 18+ New customers only. Opt in, deposit & wager £10 on selected games within 7 days of sign-up. Get £15 in Bonuses for selected games (10x wagering, max withdrawal £150) + 30 Free Spins for 3 Lucky Hippos. 30 days expiry. T&Cs apply.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| 18+, New customers only. Spins are credited to Big Bass Bonanza. To claim you must select the offer in the promotions page, deposit and stake on any of the qualifying games. 30 day expiry. No wagering requirements.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New UK customers only, opt-in required. Deposit and wager £10 within 7 days of registering on selected games to receive 50 free spins. Free spins are free from wagering requirements, available on Big Bass Splash and valid for 3 days. One offer per player.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New customers only. 1+ deposit with Debit Card and your account must be verified. Opt in and stake £10+ on selected slots within 30 days of reg. Max 200 Free Spins. Credited within 48 hours. 7-day expiry. Game restrictions apply. No wagering requirements.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New players only. Wagering from real balance first. 10x wagering the bonus money required within 30 days. 10x wagering the winnings from the free spins required within 7 days. Contribution varies per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Max conversion: 1 time the bonus amount or from free spins: £4. Skrill and Neteller deposits are not eligible.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New players only. Min dep. £20. Valid for 14 days from registration. Earn points for cash bets to get wager-free spins on selected games: 2 points for every £10 bet on Slots, 1 point for every £10 bet on Video Poker and qualifying Side Bets. 0.25 points for every £10 bet on Roulette. Maximum accumulation of redeemable points is 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach 2000 points. Spins credited next day. Spin winnings credited as cash funds and capped at £100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New UK players only. Opt in required. Minimum deposit of £20. 10x wagering requirement on bonus amount. Maximum bonus bet of £5. Bonus funds expire after 30 days. Minimum withdrawal of £10 from cash funds.
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Terms & conditions apply.
Casinohawks’ Picks: Top 10 Slot Sites With Competitive Bonuses
I know that some of you love a good casino bonus when you’re playing at slot sites in the UK. They can boost sessions, as well as giving you the chance to try out new games. But finding rewards that are actually worth bothering with is another matter.
Don’t worry, I won’t bamboozle you with the top 100 slot sites. Choice is always good, but we’ve all got stuff to do, right? Which is why I’ve narrowed things down and picked out 10 of my favourite top slot sites with generous bonuses for you to peruse.
AGE RISK WARNING
18+ only. The Gambling Act of 2005 makes it illegal for anyone under 18 to gamble in the UK. This refers to all types of gambling including at online casinos. The UKGC is the regulator and enforces this law by ensuring licensed operators verify the ages of players and refuse service to minors. If you are under 18, please do not gamble.
18+ | Play Responsibly
| Gambleaware.org
| Players must make a minimum deposit of £10. Bonus or any winnings from the free spins must be wagered 10x before a withdrawal may be made. Bonus funds expire 30 days and free spins expire after in 7 days. Max conversion: 1x the bonus amount or from free spins: £4. Excluded Skrill and Neteller deposits. | Terms & conditions apply.
JazzySpins was launched in 2021 and is owned by 888, a name synonymous with safety and trustworthiness. The site offers a superb games collection, with a wide choice of slots and live dealer tables from well-known developers. JazzySpins supports popular UK payment options such as PayPal and debit cards. UK players can also claim regular promos, including free spins and bonus reloads.
18+ | Play Responsibly
| Gambleaware.org
| New players only and opt-in required. Min deposit £10. Max bonus £25 and 50 free spins on selected game. Bonus subject to 10x wagering requirement within 60 days. Bonus is paid out in 10% increments of the maximum deposit match amount. This means for every 10% of the total wagering requirement satisfied, 10% of the bonus will be paid out. Max bonus bet £2. Free spins, expire after 7 days, are wager free and paid as cash. | Terms & conditions apply.
Mega Riches offers a mega amount of games for UK players, with more than 5,000 available! The collection includes progressive jackpots, slots, bingo, live casino tables and game shows. Regulars can also take part in spin-to-win promos, and there’s easy mobile access, which is compatible with all devices.Â
18+ | Play Responsibly
| Gambleaware.org
| New UK customers only. Opt-in required. Deposit and wager £10 on selected games within 7 days of sign up to claim 200 wager-free spins on Big Bass Splash. Free spins worth 10p each and are valid for 3 days. Free spins do not have any wagering requirements. One offer per player. | Terms & conditions apply.
BetMGM is owned by LeoVegas and launched in 2023 with its glitzy Vegas theme. It supports deposits from £10 with a great choice of trusted options such as PayPal and Apple Pay. BetMGM offers regulars the chance to join its rewards program with free spins, prizes and cash rewards up for grabs. Play exclusive BetMGM slots and live dealer tables or head to the main lobby for an extensive choice of popular games.
18+ | Play Responsibly
| Gambleaware.org
| 18+ New customers only. Opt in, deposit & wager £10 on selected games within 7 days of sign-up. Get £15 in Bonuses for selected games (10x wagering, max withdrawal £150) + 30 Free Spins for 3 Lucky Hippos. 30 days expiry. T&Cs apply. | Terms & conditions apply.
This popular platform joined the UK market in 2021 and offers a top-notch casino experience as well as sports betting. UK players can make deposits and withdrawals from £5 as well as benefit from 24/7 phone and chat support. Parimatch serves up a variety of slots, mini-games, live casino and its own exclusive Megaways and roulette tables. UK mobile gaming fans will be pleased to know there’s a range of dedicated apps to download.
18+ | Play Responsibly
| Gambleaware.org
| 18+, New customers only. Spins are credited to Big Bass Bonanza. To claim you must select the offer in the promotions page, deposit and stake on any of the qualifying games. 30 day expiry. No wagering requirements. | Terms & conditions apply.
Lottoland has been active since 2013, offering UK players access to take part in lotteries all around the world. Alongside these, you can also play 2,500+ slots, bingo, live casino games and make sports bets! The platform is mobile accessible with apps for Android and iOS users. Lottoland supports deposits from £1, and there are welcome bonuses available for bingo, casino and sports fans.
18+ | Play Responsibly
| Gambleaware.org
| New UK customers only, opt-in required. Deposit and wager £10 within 7 days of registering on selected games to receive 50 free spins. Free spins are free from wagering requirements, available on Big Bass Splash and valid for 3 days. One offer per player. | Terms & conditions apply.
LeoVegas is a multi-award-winning, mobile-first global platform which has been operating since 2012. It serves up a user-friendly site with thousands of games for UK slot and live casino fans. As well as a bunch of its own exclusively branded titles. You can deposit from £10 using trusted choices such as debit cards and PayPal. There’s also 24/7 support via phone, chat and email.Â
18+ | Play Responsibly
| Gambleaware.org
| New customers only. 1+ deposit with Debit Card and your account must be verified. Opt in and stake £10+ on selected slots within 30 days of reg. Max 200 Free Spins. Credited within 48 hours. 7-day expiry. Game restrictions apply. No wagering requirements. | Terms & conditions apply.
Betfred isn’t just about sports betting, and nowadays it also gives UK players the chance to enjoy 2,500+ casino games. Betfred offers quick, secure withdrawals with no minimum amount and deposits from £5. The games collection has something for everyone with slots, live bingo, poker, lottery, live casino and its own range of exclusive games. Many of its promos are wager-free, and regulars can collect Comp Points to exchange for cash!
18+ | Play Responsibly
| Gambleaware.org
| New players only. Wagering from real balance first. 10x wagering the bonus money required within 30 days. 10x wagering the winnings from the free spins required within 7 days. Contribution varies per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Max conversion: 1 time the bonus amount or from free spins: £4. Skrill and Neteller deposits are not eligible. | Terms & conditions apply.
Mr Slot is part of the popular brand, ProgressPlay, and it’s got plenty to offer UK players. With a varied gaming portfolio including 2,500+ popular, new and classic slots and a stack of jackpots. The platform also offers live bingo rooms and a sports betting vertical. It supports payments with a range of UK-friendly options such as Apple Pay and debit cards. If you plan on being a regular here, then you’ll find ongoing bonuses, free spins and free bingo games!
18+ | Play Responsibly
| Gambleaware.org
| New players only. Min dep. £20. Valid for 14 days from registration. Earn points for cash bets to get wager-free spins on selected games: 2 points for every £10 bet on Slots, 1 point for every £10 bet on Video Poker and qualifying Side Bets. 0.25 points for every £10 bet on Roulette. Maximum accumulation of redeemable points is 2000. You will receive spins based on the number of points earned:10, 20, 35, 50 points = 5 spins, 70 points = 1 Superspin, 100 points = 10 spins, 200 points = 5 Superspins, 300 points = 4 Superspins, 500 points = 6 Superspins. Additionally earn an extra 120 Spins for every 375 points earned above the 500-point threshold, until you reach 2000 points. Spins credited next day. Spin winnings credited as cash funds and capped at £100 per batch of spins. Cash funds are immediately withdrawable. Wager-free spins must be used within 72 hours | Terms & conditions apply.
Hello Casino boasts a huge variety of games for UK players via its user-friendly mobile site or desktop. You can take your pick from Slingo, jackpots, scratchcards, slots, RNG tables and live dealer games. Titles are independently tested for fairness by eCOGRA, and secure payments can be made with PayPal, debit cards and other eWallets. These also offer typically quick payouts for verified members.
18+ | Play Responsibly
| Gambleaware.org
| New UK players only. Opt in required. Minimum deposit of £20. 10x wagering requirement on bonus amount. Maximum bonus bet of £5. Bonus funds expire after 30 days. Minimum withdrawal of £10 from cash funds. | Terms & conditions apply.
MrRun delivers a solid and legit experience for casino and sports punters. UK players can help themselves to a huge assortment of 4,000+ games from 70+ software developers! There’s also the chance to collect points as you play, which can be exchanged for bonuses. As well as daily and weekly promos of free spins, reloads and match-ups. Payments can be made from £10, and there’s 24/7 support across a range of channels, should you need it.
Everything we do at CasinoHawks is based on honesty, accuracy, safety and transparency. We sign up and test all our recommended best slot sites in the UK, along with playing games first-hand. This enables us to deliver you the straight-up facts, without any fluff and fuss.
Myself and the other authors each have plenty of experience when it comes to slot sites, games and everything else casino-related. So you can trust that what you read comes from a reliable place. Giving you the confidence to make an informed choice.
How We Rate Slot Sites
Firstly, here at CasinoHawks we only review licensed slot websites. Recommending dodgy stuff, just isn’t us, and it’s important that you have a fair and safe experience. Fun is still in the equation of course, but playing at the best slot sites with peace of mind is paramount.
How we rate the best online slot sites is a big deal for our authors and editors. We do this using 6 pillars of testing, which you can see below. Allocating points to each section allows us to give an overall rating out of 100. So that you can easily see if a site is worth a look or a swerve.
Trust & Safety (25 points)
Bonus Terms & Promotions (15 Points)
Payments & Account Fairness (20 Points)
Games Library & Usability (20 Points)
Customer Support (10 Points)
Popularity & User Testimonials (10 Points)
The Legality and Safety of Slot Sites in the UK
When you’re looking for the best slots to play online for real money, it’s super important to keep safety in mind. As well as sticking to the right side of the law. No one wants to play rigged games with unfair outcomes, right?
Is It Legal To Play Slots Online in the UK?
Yes, as long as you are over 18 and playing at slot sites which have a valid UK Gambling Commission (UKGC) license. All sites should clearly display their licensing details and a link, so that you can check the validity. Or, simply check out any of our best slot sites as we only work with licensed casinos. Fact.
Is It Safe To Play Online Slots?
The RNG (Random Number Generator) ensures that the result of each spin you make is unbiased and fair. If you are playing at a UKGC-licensed site, then you can expect the RNG of each game to be rigorously and regularly tested.
Some of these sites may also use the services of authorities such as iTechLabs and eCOGRA. These organisations offer independent game testing, and whose logos you may see adorning some of the best slots in the UK.
UKGC vs Non-GamStop Slot Sites: The Safety Trade-Offs You Need to Know
All UKGC-licensed slot sites must participate in GamStop. This means that if you need to block yourself from gambling, you can do so by registering with the scheme. Your details will be added to a secure database, and you won’t be able to sign up at any new slot sites in the UK.
Unfortunately there are some untrustworthy platforms that fail to follow these rules and are classed as blacklisted casinos. Please don’t play at any of these.
Safer Gambling at Slot Sites: Essential Tools and Resources To Use
Paying safely is a crucial part of gambling, as well as considering your well-being. Gambling should only ever be for entertainment purposes, and is never a way to make money. I’ve put together some solid pieces of advice and a range of tools to help you play responsibly at slot sites in the UK.
Always Set Limits Before You Start To Play
Before you play at any new slot sites, it’s a good idea to set some gambling limits. These can be actioned from within your account to control your deposits, losses, bet size and session times.
Signs of Gambling Harm To Look Out For
It’s a good idea to think about how gambling makes you feel. Being mindful of any early-warning signs is essential in identifying potential gambling concerns. Some of these signs may include:
Trying to win back losses
Spending more and more time gambling
Missing out on spending time with your friends so that you can gamble
Need Some Support? Get Help Now
Throughout the UK, there are many organisations which can offer you and your loved ones free and non-judgemental help:
Gambling can be a fun activity, but it can also have the potential to cause harm for some people. Please regularly check in with yourself and be aware of some of the warning signs:
-Borrowing money to gamble -Feeling anxious and upset when you cannot gamble -Hiding your gambling from friends and family
If you are struggling at any time, then we urge you to reach out for help straight away. Some free charities and organisations in the UK include: GamCare 0808 8020 133 or the NHS Problem Gambling Services.
Best New Slot Sites in the UK for You To Try
Here at CasinoHawks, we’ve always got our fingers on the pulse when it comes to the best new slot sites in the UK. Whether you are a bit bored of your regular go-to or just starting out – we’ve got you covered. You can check out our expert reviews for each of the new slot sites, and visit the platforms for yourself using the links below.
18+ | Play Responsibly
| Gambleaware.org
| Welcome Bonus is only available to new players who make a minimum initial deposit of £10. Activate the Welcome Bonus within 30 days under the ‘My Bonuses’ section of your account. Wager 10x the bonus within 60 days to withdraw winnings. Bonus funds are released in increments of 10%. You cannot bet more than 50% of the bonus or £20 per bet, whichever is lowest. Free spins are wager-free and need to be activated in 7 days and used within 24hrs.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New players only and opt-in required. Min. deposit £20. Wager min. of £50 on selected slots by 23:59 GMT on day of first deposit. Free spins must be used within 72hrs. Winnings from free spins credited as cash funds and capped at £50. Cash funds immediately withdrawable. Affordability checks apply.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New players only. Min. deposit £20 required. Welcome Offer is 50 free spins on Big Bass Bonanza on your first deposit. To claim wager a minimumof £10 of your first deposit on selected games. Free spins must be used within 72 hours. Winnings from free spins credited as cash funds and capped at £100. Affordability checks apply. Terms apply
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New players in Great Britain only, 18+. Minimum deposit of £20. 10x wagering requirement on bonus. Maximum bet of £5. Bonus funds expire after 30 days. Minimum withdrawal of £10 from cash funds.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| First deposit only min £10. Bonus £50. Spin Value: £0.10. WR of 10x Bonus amount and Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New players only. Minimum deposit required £10 using code MATE50. Deposits must be made with Visa debit, Mastercard debit, Apple Pay or Google Pay. Wager £10 on selected games within 7 days of claiming offer to release spins. Spins available on Big Bass Splash and worth £0.10 each, valid for 24hrs. Free spins have no wagering requirements.
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Terms & conditions apply.
Why I chose these new slot sites in the UK
I handpicked these best slot sites based on their safety, clear-cut terms, range of rewards, user-friendliness and of course, their massive choice of games.
Don’t want to hang around for your withdrawal to be processed? I get it! This is why below, you’ll find a selection of the best fast payout casinos for slots. Depending on the method you use of course.
18+ | Play Responsibly
| Gambleaware.org
| New UK customers only. Opt-in required. Deposit and wager £10 on selected games within 7 days of sign up to claim 200 wager-free spins on Big Bass Splash. Free spins worth 10p each and are valid for 3 days. Free spins do not have any wagering requirements. One offer per player.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| First-time depositors only (Not Northern Ireland). Min deposit to claim is £10. 80 Free spins available on Big Bass Bonanza and worth £0.10 each. Free spins valid for 72 hours, no max win restriction. No wagering requirements. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. Irregular play may lead to removal of reward. OJO’s Rewards and Game policy applies.
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Terms & conditions apply.
18+ | Play Responsibly
| Gambleaware.org
| New UK players only. First deposit min. £10. Max. Bonus £75. Maximum amount of Free Spins 50. Game: Book of Dead, Spin Value: £0.10. WR of 10x Bonus amount and Free Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the free spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds
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Terms & conditions apply.
Here’s why I picked out these sites
Besides offering the quickest withdrawals, I’ve chosen these casinos for their trustworthiness, quality support and security. Three key factors required for smooth financial transactions.
Before you start to play we recommend that you set strict limits, as well as regularly review your gambling account activity. You should only play using the money you can afford to lose and never view gambling as an investment or way to make money. All casinos have an advantage over players due to their house edge and most users will lose money over time.
Casinohawks’ Games Picks in January: Top 20 Slots in the UK
I was going to share with you the top 10 best online slots, but nah. I’ve pushed the boat well and truly out to give you a choice of 20! You’ll find a good mix of new slots games along with some of the classic best online slots in the UK. To save you time, I’ve also included the vital facts for each title and a link so that you can take them for a spin.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New players only. Welcome Offer: 70 Book of Dead cash spins available with a minimum £15 first deposit. Cash spins must be used within 10 days. Winnings from spins credited as cash funds and capped at £100. Cash funds are immediately withdrawable. Affordability checks apply. Terms apply. Please gamble responsibly.| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| New players only. Deposit £10 and stake this on selected games. Choose either 100 free spins (£0.10 each), 50 free spins (£0.20 each), 20 free spins (£0.50 each), or 10 free spins (£1 each). Free spins expire after 7 days and are available on selected games. Skrill and Neteller deposits are not eligible.| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| T&Cs: 18+ New customers only. Opt in and wager £10 on selected slots within 3 days of signing up. Get 100 Free Spins on Bigger Bass Splash, which expire in 7 days. T&Cs Apply. Please gamble responsibly.| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| T&Cs: 18+ New customers only. Opt in and wager £10 on selected slots within 3 days of signing up. Get 100 Free Spins on Bigger Bass Splash, which expire in 7 days. T&Cs Apply. Please gamble responsibly.| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
18+ | Play Responsibly| Gambleaware.org| 18+. New customers only. Opt-in required. 50% Deposit Bonus up to £100 on first deposit. Min deposit £20. 10x wagering on bonus amount. Max £5 per bet. Bonus valid for 7 days. Game, play and payment method restrictions apply. Play responsibly. T&Cs apply| Terms & conditions apply.
Why did I pick these 20 best UK slots?
The stats presented me with a huge bunch of games which UK players are enjoying right now. I narrowed these down to give you a broad range of volatilities, RTP and bet sizes. Each selected slot also has some bangin’ bonus features!
We can’t say it enough, but for UK players please only use slot sites which have a license issued by the UKGC. When it comes to the games, you can then count on them being tested for fairness and offered by licensed developers.
All games come with a risk that you will lose money whilst playing them. The casino has an advantage over players with its house edge, and most players will lose money over time.
Games can contribute differently to wagering requirements, as well as featuring different rules and RTPs. We advise you to check all of these details before you play.
Popular Types of the Best Online Slots in the UK
When you first open up a games lobby, you’re likely to be presented with thousands of the best slots to play. It may be daunting trying to understand all the terminology and get to grips with the types available. So I’ve picked out 5 of the most popular categories, along with a little summary to help you on your way.
Highest Multiplier Slots
These types of games have the power to pack a punch with their multiplying potential! Some highest multiplier slots can go anywhere up to x600,000!
High RTP Slots
The average casino game RTP is around 96% so for high RTP slots this means anything above. I’ll be explaining more about the Return To Player in the next section, in case you need a recap.
Progressive Jackpot Slots
Whereas most games have a maximum win limit, progressive jackpot slots do not. The prize pots of wonga are continually growing until they are won. Good news: the best slot sites usually have a sizable collection of these.
Megaways Slots
The software developer Big Time Gaming invented this feature in 2015, which has made a strong impact on the industry. Megaways slots work using a unique wheel modifier that has the potential to produce thousands of ways to win.
Hold and Win Slots
This distinctive feature can be activated by landing a required number of symbols or Scatters. Hold and Win slots can then offer an unlimited number of spins along with extra stuff like jackpots and ReSpins.
Did you know?
In 2025, the UKGC introduced maximum slot stake limits. This means that adults aged 18-24 can place an individual slot bet of up to £2, with those aged 25 and over being restricted to £5 per bet. Limits were introduced to help protect players, especially young adults.
How Do Slot Games Work?
Whilst browsing the best slot sites you’ll notice various terms, data and figures for each game. It’s important that you understand what these mean and how they could impact your experience. Based on your personal preferences, it’ll also help you decide which of the best slot games to head for, or not.
RTP in Slots
The Return to Player is a percentage given for each slot, and relates to the theoretical payback. For example, if you place a wager of £100 on a 96% RTP slot, then you may expect to get back £96. Be mindful that the RTP is calculated over millions of spins, and you will not win that amount on every session. The industry average RTP is 96% but there are higher RTP slots with 97%+
Slot Volatility
This relates to the frequency that a game will pay out. So it’s important to consider your attitude to risk when it comes to this. The 3 main volatilities are low, medium and then high volatility slots.
What are Multipliers?
This is a type of bonus feature which can be triggered in the base game, free spins, bonus features or alongside Wilds. It can potentially boost your win amount massively! It’s easy to see why the highest multiplier slots are the go-to for many UK players.
Know Your Symbols
Before you start to play any slot, get familiar with the symbols which you can find in the paytable. You’ll need to know the required combinations to form a win, where to land them, and what’s needed to trigger any bonus features.
What are Paylines?
Whilst you’re on the paytable, check the number of paylines and their patterns. These will determine the amount you could win with the matching symbol combos. Some slots allow you to set the number of paylines for each round, whilst others are fixed.
Bonus Rounds Explained
You’ll notice that many slots offer these, with the most popular being free spins, ReSpins, Expanding Wilds and Pick type rounds. Before playing, check the game rules for how you can trigger the bonus features.
Did you know?
The UKGC implemented an outright ban on bonus buy-ins for slots in 2019. This was done to help prevent players from being under the illusion that they could control the outcome of the feature.
How To Choose the Best Online Slots in the UK
After reading all of the info so far, you’re probably chomping at the bit to get started! Well before you do, please check out my top tips below. I’ve a stack of experience in testing games and all things casino, so allow me to help guide you in the right direction.
✓ Before Diving in, Check Our Slot Reviews
We don’t just review slot sites in the UK, we also review the games they offer. We spend hours playing and do thorough research of all the technical stuff and bonus features. Why not start by having a browse of popular UK slot reviews such as Bonanza, Big Bass Splash and Book of Dead?
✓ Look for Feature-Loaded Slot Games
Special features such as Cascading Reels, Multipliers and Wilds can add an extra layer of excitement to your sessions.
✓ Search for Slots With a Variety of Bonus Features
Bonus features have the power to potentially add some additional oomph to your gameplay. They can also give you something to aim for and hopefully boost your balance too. Track down slots with bonuses such as free spins, mini-games, jackpots and Expanding Wilds.
✓ Check the Volatility and Choose a Slot To Match Your Attitude To Risk
High volatility slots have the potential to generate larger wins but these won’t happen often. Whilst low volatility games can churn out frequent wins which could be smaller. Medium volatility slots can serve as a happy medium (excuse the pun) of smaller and larger wins at a decent rate.
✓ Pay Attention to the RTP
Higher RTP slots may look appealing but don’t forget that the Return to Player rates are determined from many spins over time. So playing these games won’t guarantee you a win or a fixed return.
✓ Understand the Paylines
You’ll be able to play each spin with your preferred number if you opt for a slot with variable paylines. Whilst fixed paylines allow you to play your bets across all available lines.
✓ Consider the Maximum Win
You’ll find this figure in the paytable and it’s an important one! It will determine the maximum amount that the game could pay you. For example, this can be displayed as x5,000, which means 5,000x your bet size or as a fixed amount such as £125,000.
✓ Always Choose Online Slots From Licensed and Regulated Casinos
Please don’t play anywhere which doesn’t have a valid license issued by the UKGC. Some dodgy sites may promise big bonuses, but in reality they could offer cloned games and other nasty stuff. For your own peace of mind, check out our best slot sites reviews. We only ever list casinos that are UKGC licensed.
My extra expert tip
Think about your existing skills and knowledge. There’s no point playing something complicated that you don’t understand, and feeling out of your depth. Don’t feel pressured to try something new either. If you like classic Vegas fruit slots, then stick to what you like best. It’s all about fun at the end of the day!
Software providers do just that, they give us the slots that we all know and love. There are plenty out there, offering a range of themes, styles, mechanics, features and potential wins. I’ve listed the top names along with some of their best slot games.
Along with being my favourites, they’re also the most popular with other players! I enjoy the 3D imagery, themes, winning possibilities, reliability and safety which the developers each offer.
So by now you should be feeling fully prepped and ready to go and enjoy your next slot adventure. I’ve covered a lot of ground and important facts, with the most important being safety and playing responsibly. Keeping in mind these crucial factors, don’t forget to also have fun with your slot play, and good luck!
Frequently asked questions
If you are playing at a licensed platform by a reputable regulator such as the UKGC, then no. Games will operate using an RNG, which is a legal requirement, as well as being tested for fair outcomes.
If you are playing with cash, then there is a chance that you can win real money in return. But don’t take it as a guarantee and always gamble responsibly and within a budget.
I’ve mentioned plenty in this guide which are each UKGC licensed and tested by our expert authors. It’s then down to you to consider what’s important when it comes to slots, bonuses, payments, etc.
Not in the UK, no. For legal and security purposes, you will need to create an account before you can start to play.
As a trusted expert writer with over nine years in the online gambling industry, Nicola produces honest and engaging casino reviews and content for UK players. She has experience working with operators and in editorial roles.
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