Best Online Slots in the UK (2022) – Best High RTP Slot Games for Real Money Gambling in the UK

Online Slots

Looking for the best online slots in the UK? You have come to the right place then. Our team of expert gamblers did the hard work for you, and after hours of extensive research and analysis, we were able to find the top online slots for UK gamblers.

Casushi was our #1 overall pick, with Book of Dead being its best slot game. While this was our top pick, there are many other slot games and casinos that you should know about.

Without further ado, let’s begin.

Best Online Slots UK

1. Casushi (Book of Dead) – Best UK Online Slots Site Overall

Casushi

New players only. To participate, players must deposit a minimum of £20 at the Cashier. Maximum offer is £50 bonus and 50 extra spins on Book of Dead. Extra spins are awarded in three increments – 30 on the initial deposit, 10 after 24 hours, and another 10 after 48 hours. Note that the full T&Cs apply.

Pros:

  • 950+ online slots
  • Exciting progressive jackpots
  • 46 live casino games
  • 50 bonus spins on Book of Dead
  • 1st deposit bonus up to £100

Cons:

  • No downloadable mobile app

Casushi brings a healthy variety of online slots games, live dealer options, and virtual table games to your fingertips. Their easy-to-use mobile website is merely icing on the cake.

Game Variety – 4.9/5

We came across 950+ reels from 73 recognised software providers. Their library accounts for hundreds of penny slots, wildly popular titles, and many progressive jackpot slots to keep gamblers excited.

Their jackpot slots gave us the same anticipation and thrill we’d expect from playing at a brick-and-mortar casino.

In between spins, you’ll have 46 live dealer variants of blackjack, roulette, baccarat, and poker to enjoy. Sweet Bonanza, Mega Wheel, Cash or Crash, and Deal or No Deal are just a few examples of the exciting live casino games you can find here.

Welcome Bonus & Promotions – 4.8/5

When you sign up and deposit £20 or more, Casushi will double your first deposit up to £100.

You’ll also get 50 bonus spins to use on Book of Dead. This Ancient Egyptian machine’s RTP stands at 96.21%, and you can win up to 5,000x your wager across 10 paylines.

Bonus spins are delivered in increments of 20, 20, and 10 over your first 3 days as a registered player. You’ll have 48 hours to play through each batch of spins before they expire.

You’ll have 30 days to wager through 40x your original deposit and earn your bonus money back.

Payment Methods – 4.9/5

Casushi accepts Visa, MasterCard debit payments, bank transfers, Neteller, Skrill, PayPal, and Trustly deposits.

To claim your 1st deposit bonus package, you’ll need to make a minimum deposit of £20. However, you can start playing slots with just £10.

Unlike most UK casinos, Casushi offers same-day withdrawals. Initially, you can move anywhere from £10 to £2,500 off-site in one go; your maximums increase as you continue playing.

Mobile Slots Availability – 4.75/5

Unfortunately, Casushi doesn’t have a downloadable mobile app for iOS or Android devices. While this might be a small disadvantage, we should note that there really is no need for it to have an application, as the website is perfectly optimised for mobile use.

Their platform works perfectly on smaller screens. Another huge advantage is that all of Casushi’s games work flawlessly on smartphones. We found it easy to scroll through each category, and everything loads up within seconds.

Click here and find out more about the most generous bonuses available at Casushi

2. Casumo (Sahara Riches) – Best UK Site for Online Slot Games Variety

Sahara Riches

New players only. Bonus spins are only available on “Book of Dead.” To activate, players must deposit at least £10. 30x wagering requirement applies on extra spins and deposit bonus. The maximum bet on Slots and Video Poker is £5 per spin or £0.50 per bet line. Note that the full T&Cs apply.

Pros:

  • About 2,500 online slots
  • 105 live casino games
  • The best game is Sahara Riches
  • Low wagering requirements
  • Downloadable mobile app

Cons:

  • Progressive slots selection is not the best

No matter where your gambling preferences lie, Casumo leaves UK players spoiled for choice. Thousands of slots, hundreds of table games, and a downloadable casino app wait for you here.

Game Variety – 4.8/5

Casumo proudly hosts 2,600+ online casino games. The majority of them are high-quality online slot machines. Variety is the name of the game here – we counted 2,490 slots from 63 software providers. However, while the total number of games is really impressive, it is a bit limited when it comes to progressives.

Here, Mega Moolah is arguably the most popular slot game. If you’re a big fish hunter, you’ll appreciate having the chance to break £10 million per spin.

If you need a change of pace, you’ll have 105 live casino options to tide you over. Quantum Blackjack, Lightning Roulette, and Buffalo Blitz were our favourites.

Welcome Bonus & Promotions – 4.75/5

At Casumo, there are two different welcome bonuses available. The first one is a regular welcome offer, which allows you to score £25 on your first deposit plus 20 extra spins on the Book of Dead. In addition, there also is a special partners welcome bonus, which gives users the opportunity to score a 100% deposit match up to £100, with 25 extra spins.

The welcome bonus here comes with a 30x wagering requirement.

Payment Methods – 4.8/5

Casumo accepts Visa/MasterCard debit payments, PayPal, bank transfers, Neteller, Skrill, MuchBetter, PaySafeCard, and mobile deposits.

All said, their banking menu is comprehensive enough to satisfy most bettors’ needs. To get started and claim your welcome package, you’ll need to make a minimum deposit of £10.

Much like Casushi, Casumo’s withdrawal minimum starts at £10. Notably, they don’t have any withdrawal limits, so you can withdraw jackpot-sized winnings in one fell swoop.

However, payouts take 3-5 days to reach your account, which is not the best.

Mobile Slots Availability – 4.7/5

Casumo offers a downloadable app for iOS and Android devices, which is a huge advantage. Thanks to this app, you’ll never miss a wager while spending time away from home.

Their mobile app is all-encompassing, and it packs the same powerful graphics that make their desktop website a great option.

Find the latest and most generous bonuses at Casumo

3. All British Casino (Hot Scatter) – Best Online Jackpot Slots in the UK

Hot Scatter

New players receive a 100% match-up bonus on their first deposit + 10% cashback. Maximum bonus – £100. Minimum deposit – £20. Maximum allowable bet – £5. Wagering requirement – 35x. Maximum allowable cashout – unlimited. Bonus expires in 30 days. Note that the full T&Cs apply.

Pros:

  • Exciting jackpot slots
  • 500+ traditional reels
  • Deposit bonus up to £100
  • 10% cashback 

Cons:

  • Design could be better

Big fish hunters should consider casting their lines with All British Casino. We found 250+ jackpot reels with five, six, and seven-figure bounties.

Game Variety – 4.8/5

We came across nearly 800 reels in total, including many generous and exciting progressive jackpot slot games. All British casinos are a gold mine if you’re willing to pay big bucks. 

Average multipliers range from 1,000x to 10,000x your line bet, and prizes can stretch up to £2 million per spin for the luckiest players. With so many opportunities to score big wins, this is truly one of the best online casinos in the UK for progressive slots.

When you get tired of hunting for big wins, you’ll have 74 live casino games to choose from. Speed baccarat, Lightning Blackjack, Roulette Azure, Cash or Crash, and Bacbo are just a few of their unique options.

Welcome Bonus & Promotions – 4.75/5 

When you sign up and contribute £20 or more today, All British Casino will fully match your deposit up to £100.

Once you’ve redeemed your bonus, you’ll get 10% cashback on your slot game losses.

Your bonus funds count towards all their video slots, jackpot slots, and table games. Aside from their slots library, eligible casino games include all video poker and blackjack variants.

You’ll have 30 days to play through 35x your original deposit and cash out your bonus-derived winnings, but don’t expect any extra spins to help you along the way. 

Payment Methods – 4.7/5

All British Casino make it easy to deposit funds with 6 convenient banking options.

They accept Skrill, Neteller, PaySafeCard, Trustly, Visa, and MasterCard payments. Unfortunately, they don’t yet accept PayPal deposits.

You can start spinning for gold with £10 or more upfront, but you’ll have to deposit £20 or more to claim their £100 welcome bonus.

Withdrawals start at £10 and are limited to £5,000 per transaction.

Mobile Slots Availability – 4.7/5

There’s no downloadable app to speak of here, but their mobile-friendly website does the trick. You’ll enjoy full smartphone compatibility across their entire casino library.

On mobile, the All British Casino user interface is optimised to deliver an efficient browsing and playing experience. Aside from a few bonus pop-ups, their 750+ slots didn’t give us any hassle or perceivable lag.

Click here to find out more about the latest bonuses available at All British Casino

4. PlayOJO (Wolf Gold) – Best for New Slot Game Players in the UK

Wolf Gold

For new players only. The minimum deposit required to activate this bonus is £10. Extra spins are valid on the slot game “Book of Dead” and are valued at £0.10 each. Note that the full T&Cs apply.

Pros:

  • 50 extra spins welcome bonus
  • 0 wagering requirement
  • 2,947 high RTP slots
  • 131 live dealer games
  • Mobile-friendly website

Cons:

  • Limited banking menu

PlayOJO’s bonus package lets you try your luck without barriers. You’ll get 50 extra spins to use when you sign up, and none of your winnings are subject to playthrough requirements, which is a huge advantage.

Game Variety – 4.8/5

PlayOJO hosts 3,200+ casino games, but don’t expect a table-heavy offering. However, when it comes to slot games, that’s where this online casino shines. There are about 3,000 high RTP slots that you can play here.

If you’re looking for big prize money, you should take a swing at their 15 jackpot games and Megaways.

While their progressives can take a while to build up, their current pot of gold is bound to pop soon. With £1.5 million at stake, it’s anybody’s game.

Skill gamers can play for keeps with 131 variants of a live dealer blackjack, baccarat, and roulette. Expand your horizons with Sweet Bonanza Candy Land, Cash or Crash, Money Drop, and Adventures Beyond Wonderland for max wins up to £250,000.

Welcome Bonus & Promotions – 4.65/5

PlayOJO’s welcome bonus package is unlike any other. Sign up and contribute £10 or more to receive 50 extra spins on Book of Dead.

This crazily popular machine boasts an RTP of 96.21% and maximum payouts that exceed 5,000x your line bet. Whether you prefer Indiana Jones or Rich Wilde, you’ll find plentiful treasures in cryptic, Ancient Egyptian tombs.

Here’s what makes this offer so unique. As soon as you hit a big win, you can withdraw your funds immediately – no hassle, endless spins, or frustration required.

Payment Methods – 4.7/5

PlayOJO’s banking menu is very limited in comparison to our higher-ranked sites.

They accept debit card deposits, bank transfer payments, PayPal, and Neteller transactions. While this list should cover most players, we’d be more impressed with a wider selection of e-wallets.

In order to activate the welcome bonus, you need to make a minimum deposit of £10.

Mobile Slots Availability – 4.75/5

PlayOJO doesn’t host a downloadable client app, but its website is designed to accommodate your on-the-go wagers. Their mobile platform is very user-friendly, and you can search for your favourite games with ease. 

We played through hundreds of slots, all of which were sized appropriately for our iPhone screen. Lag was virtually nonexistent, and we loaded up games in 3 different tabs without an issue. 

If you’re looking to put 2,900+ slots in your back pocket, consider opening your account with PlayOJO!

Click here to explore about 3,000 slots at PlayOJO and claim your extra spins

5. 888 Casino (Book of Scrolls) – Best Mobile Site for Slot Games in the UK

Book of Scrolls

1st-time depositor at 888casino only. £20 min deposit. Claim within 48 hrs. Valid for selected games. Bonus wins capped at £500, excl. JP wins. 30x wagering requirement. Note that the full T&Cs apply.

Pros:

  • Amazing mobile compatibility
  • £100 welcome bonus
  • 88 bonus spins
  • 1x wagering requirement for spins

Cons:

  • Design could be better

888 Casino offers an impeccable mobile gaming experience, and they’re currently one of the top recommendations for on-the-go gamblers.

Game Variety – 4.75/5

888 Casino is home to 888 games, around 700 of which are high-RTP slot machines. You can sort games by their popularity, risk level, potential payouts, and so on.

The slot game selection here is really good and should be enough for the majority of the gamblers.

On the bright side, you’ll have access to a constantly flowing stream of new and exciting games that range from progressive jackpots to horror-themed scratch card titles. Our favourite game here was the Book of Scrolls.

Welcome Bonus & Promotions – 4.65/5

As you might have inferred by now, the number “8” seems to pop up fairly often here.

When you sign up here, you will get 88 bonus spins to use across their 700+ slot games. Although your spins expire within 14 days, they come attached to a minimal 1x wagering requirement.

888Casino is also doubling your first deposit up to £100. You can play slot games, video poker, HD blackjack, and many more with this welcome bonus.

Payment Methods – 4.6/5

UK players can deposit funds via debit card, PayPal, MuchBetter, Skrill, Neteller, wire transfer and others.

You’ll only need to deposit £10 to claim your bonus package and start playing slots. You can withdraw the same £10 minimum or move up to £30,000 off-site per transaction.

Mobile Slots Availability – 4.9/5

This is where 888Casino shines bright. They host downloadable client apps for iOS, Android, and Windows devices.

Their mobile client is snappy, graphics-intensive, and incredibly easy to scroll through. It crunches the most rewarding features of its desktop website to fit your phone screen.

All their games load within 5-10 seconds, which is a huge advantage.

Find out more about the latest bonuses & promotions at 888 Casino

Runners-Up:

Ranking Methodology for the Best Slots in the UK

Game Variety

In this review, we prioritised online casinos and slot sites with plenty to offer. Whether you’re searching for penny slots, popular reels, table games, or hundreds of progressive jackpots, our top-ranked picks have a lot on the menu.

Deposit Bonus & Promotions

Before you play slots online, you should shop around to get your money’s worth.

The best slot sites in the UK promote a generous 1st deposit bonus attached to equally forgiving wagering requirements. We gave a higher ranking to slot sites that dish out extra spins for new players.

Payment Methods

The safest UK slot sites make it easy and convenient to deposit funds with their platform. We prioritised online casinos that accept the widest variety of e-wallets, banking apps, and debit cards.

We also gave special consideration to slot sites with the fastest (and cheapest) payouts.

Mobile Slots Availability

In today’s increasingly busy world, mobile online slots sites are becoming more popular than ever.

In addition to loading seamlessly on your desktop, the best slot sites offer a mobile-optimized UI & casino library. No matter where you go, you’ll have your favourite games in your back pocket.

Best UK Online Slots To Play – FAQ

Is Playing Online Slots Games for Real Money in the UK Safe?

Yes, but only if you choose the safest online slot sites. There are many things you can do to ensure you are staying safe. The best thing to do is to only trust regulated online slot sites that have a good reputation online.

Will My Bonus Funds Expire Over Time When Playing UK Slots? 

Unfortunately, nothing good lasts forever. If you don’t use your bonus money or bonus spins, you will lose them as time goes by. Although every online slot site puts different expiry periods in their fine print, you’ll have anywhere from 14 to 30 days to spend your bonus cash.

Are Online UK Slot Games for Real Money Rigged?

No. Contrary to popular belief, online slot games are not rigged by default.

As long as you’re dealing with a UK-licensed provider, you’ll have access to fair and randomised machines. Our top-ranked casino sites are regularly audited by the UK Gambling Commission.

Slot games are human-tested for winning odds equivalent to those offered by brick-and-mortar casinos.

How Should I Pick the Best UK Online Slots Sites for Me? 

Your gambling preferences should factor into your final choice. While finding the perfect online slots site is an individual process, we have some suggestions for the indecisive.

If you’re looking for a beginner-friendly site rife with plenty of games and a decent 1st deposit bonus, we’d suggest getting started with Casushi.

Those on the prowl for game variety should consider opening an account with Casumo or PlayOJO, while big fish hunters should find All British Casino more suitable. 

Finally, smartphone bettors should download 888 Casino’s mobile app for a truly portable gaming experience.

Comparing Top 5 Sites for the UK Slot Games

CasushiAlthough Casushi was established just a few years ago, they are already known for hosting 950+ online slots and 47 progressive jackpots. Click here to claim 50 bonus spins on Book of Dead and a 1st deposit bonus worth £50! Note that the full T&Cs apply.

CasumoIf you’re looking for variety, you won’t find more online slots and table games in one place than Casumo. For a limited time only, click here to get a 1st deposit bonus worth £25 and 20 extra spins. Note that the full T&Cs apply. 

All British CasinoAll British Casino houses nearly 300 progressive jackpot games from 19 high-tech software providers. If you’re looking to spin for gold, click here to redeem their 100% deposit bonus of up to £100! Note that the full T&Cs apply.

PlayOJOUnlike most online casinos, PlayOJO hosts a 1st deposit bonus with a 0x wagering requirement. Click here to get 50 bonus spins on Book of Dead and claim your requirement-free winnings! Note that the full T&Cs apply.

888 Casino888 Casino hosts a downloadable app for iOS, Android, and Windows devices. When you sign up today, you’ll have 888 casino games optimised to fit your phone screen. Click here to get 88 extra spins and double your deposit up to £100! Note that the full T&Cs apply.

Read more about the best online slots in the UK

How To Get Started With the Best UK Online Slots

Before you start spinning through your favourite slot games online at the best slots sites, you’ll need to create and fund your new online casino account. We’re here to help – using Casushi as our example, we’ve put together a quick guide to get you started.

1. Create a New Account

Visit Casushi’s website and click a purple “Join Now” button in the upper-right corner of your screen. Click on it, then fill out any requested personal information.

Once you’re finished, click on “Create Account” to continue. 

2. Verify Your Email Address

To get started on the right foot, you’ll have to verify your email address.

Check your email inbox for a new email from Casushi. If you don’t see a message from them, be sure to check your “spam” or “promotions” folder before requesting another link.

Then, click on “Confirm My Account” to continue.

3. Make Your First Deposit and Claim Welcome Bonus

Finally, navigate to the cashier section of Casushi’s website using their sidebar menu. Once there, click on “Deposit Funds” and select the payment method you’d like to use.

Read more about the best online casinos in the UK

Which Online UK Slots Are the Best To Play?

We’ve done the required grunt work and research to deliver a curated list of the best UK slot sites out there.

If you’re tired of the financial expense, time sink, and hassle that comes with playing slots in person, you’ll enjoy spinning your way to victory with our top-ranked sites.

Still on the fence? For the most well-rounded experience, we’d recommend signing up with Casushi. They have 950+ online slots, 47 jackpot reels, hundreds of table games, and lucrative deposit bonuses on deck.

That said, we’d recommend all the slots sites listed here with equal vigour. Most importantly, be sure to have fun and play online slots responsibly!

DISCLAIMER: You probably don’t need us to tell you that any form of gambling comes with risks and should not be undertaken as a solution to solve your financial troubles. It’s worth remembering the phrase…the house always wins!

If you suffer from a gambling problem or suspect somebody you know does, then we strongly suggest that you call the National Gambling Helpline at 0808-8020-133 to talk with an advisor for help and to make gambling safer for you or your loved ones. Remember all gambling sites and guides are 18+ only.

Casino sites listed on our site may not be available in your region. Check your local laws to ensure online gambling is available and legal where you live. Our reviews are independent and reader-supported and we may receive commissions for recommendations made in our websites guides, this does not affect our rankings methodology and we always recommend sites we believe will provide the most enjoyable gaming experience.

Visit these organizations for free gambling addiction resources:

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