Best Online Slot Sites UK (Top 20)
![Monopoly Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2023/02/Monopoly-Casino-Logo.png)
Monopoly Casino
Slot Games
1300
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2016
Slots Review
Monopoly Casino is an excellent option if you want to test out 1300 slots and are looking for a casino that offers demo mode. You can access 20+ Monopoly-themed unique slots unavailable on all websites.
The betting range is also advantageous, providing choices for players who prefer to place smaller bets. The minimum wager for most games is £0.1, and the maximum bet for some games is £100.
Pros
- Over 1300 slots are available
- 20+ exclusive titles
- Over 85 Megaways slots at hand
- Popular providers, such as Evolution Gaming, NetEnt, Play’n Go, Pragmatic Play, and Red Tiger Gaming
Cons
- A small selection of classic slots.
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
![Casushi Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2020/02/casushi.png)
Casushi Casino
Slot Games
1900
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2020
Slots Review
If you would like to try new slot variants, then Casushi Casino would suit you best. It hosts 1900 games from essential providers such as Microgaming and NetEnt, including multiple variants of the famous Mega Moolah progressive jackpot series and over 50 Megaways titles.
Murphy’s Pots and Candy Starts are some of the best games on the platform.
Pros
- Some of the providers’ roasters are Microgaming, NetEnt, and Hacksaw Gaming.
- You can play more than 1900 variants
- UK gamblers can access multiple variants of Mega Moolah
Cons
- There are no Bonus Buy slots.
KingCasinoBonus Ratings
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![Bally Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/05/bally-casino.png)
Bally Casino
New casino
Slot Games
700
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2023
Review on Slots
Even though the slot collection at Bally Casino is very diverse, it is not as comprehensive as in other gambling platforms. There are only 430 slot games, and British punters can try out video and classic slots, Slingo, progressive jackpots, megaways, and some in-house slots.
The limit bets vary from £0.10 to £100, and you can access titles from over 25 providers.
Pros
- You can play progressive jackpots such as Mega Moolah and Jackpot King
- Players have access to some in-house titles they cannot find anywhere else
- 25+ developers, including Pragmatic Play, NetEnt, and Microgaming
Cons
- The slots library is relatively small.
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
![Lottoland Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/05/lottoland-casino.png)
Lottoland Casino
Slot Games
2500
Min. Deposit
£1
Casino Max. Cashout
£100000
Online Since
2013
Slots Review
Lottoland Casino provides British punters with over 1970 top-quality slots supplied by the best casino games studios available worldwide, including NetEnt, Pragmatic, Red Tiger and many more. You will find most types of slots available in the collection, including jackpots, progressives, megaways, bonus buys and many others.
Pros
- Over 1970 slots
- 10+ world-renowned providers, such as Yggdrasil, Microgaming and Blueprint
- Most types of slots are available, including progressive jackpots, classic, video, megaways, etc.
Cons
- Demo mode is not available
- Lack of games from Big Time Gaming
KingCasinoBonus Ratings
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![Megacasino Logo](https://kingcasinobonus.uk/wp-content/uploads/2023/06/Mega-Casino.png)
Megacasino
Slot Games
5000
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2012
Slots Review
Megacasino boasts an impressive collection of over 5000 slots, and top iGaming developers like Pragmatic Play, NetEnt, Play’n Go, and Microgaming provide most of the titles. British players cannot test the slots beforehand in the demo mode.
That said, some jackpots on the platform have outstanding pots of around £2000000, even if you won’t find any progressive such games on the platform.
Also, Megacasino packs some of the most popular and in-demand games, such as Gonzo’s Quest, Starburst, Bonanza, and Book of Dead.
Pros
- An outstanding collection of over 5000 slots
- A few jackpots have £2000000 pots, which is impressive
Cons
- No progressive jackpot options
- There is no demo version of the games.
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
![Fitzdares Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/05/fitzdares-casino.png)
Fitzdares Casino
Slot Games
1127
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2018
Slots Verdict
Fitzdares Casino features an extensive catalogue of slots with over 1100 games from premium providers, including Microgaming and Blueprint. You will find most types of games available, including classic, video, megaways, bonus features, progressive and regular jackpots.
Pros
- Over 1100 slots
- More than 10 top providers
- Max bet of £100
Cons
- Lack of demo mode
- No games from NetEnt
KingCasinoBonus Ratings
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![Grosvenor Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/05/Grosvenor_Casino.png)
Grosvenor Casino
Slot Games
700
Min. Deposit
£5
Casino Max. Cashout
£100000
Online Since
2006
Review on Slots
The access to 700 slots you get on desktop and mobile is satisfactory as it allows you to try out multiple game types, such as video and classic slots, megaways, or jackpots. Moreover, top-notch providers like NetEnt, Play’n Go, Microgaming, and many others provide the games. It is also worth mentioning that Grosvenor Casino has its own iOS and Android apps with all the available games.
Lastly, if you click on the ‘i’ button in the upper right corner of each game, you can read additional details like description, how to play, and terms and conditions.
Pros
- All games are mobile-friendly
- Each title has an informational tab containing valuable details such as the payout rate, betting limits, and bonus features
- You can also play progressive jackpots
Cons
- The games aren’t available in demo mode.
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
![Midnite Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/05/Midnite_Casino.png)
Midnite Casino
New casino
Slot Games
1500
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2023
Slots Review
Among the 1700 slot games at Midnite Casino, you will encounter titles from 30 developers, including Play’n Go, NetEnt, and Wazdan. There are different categories, like Most Popular, What’s New, and Trending. If you press on ‘Game Providers,’ you can find the titles from a particular developer. For example, Blueprint offers 111 titles at the moment.
Unless you join the site, you cannot access the demo version of the titles.
Pros
- A great selection of 1700 slot games
- 30 iGaming providers, including renowned studios like Play’n Go
- Multiple game categories with over 70 megaways
Cons
- The site does not feature Microgaming titles
- You cannot play the games in the demo unless you sign up.
KingCasinoBonus Ratings
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![mail](https://kingcasinobonus.uk/wp-content/themes/kingcasinobonus/images/gif-mail.gif)
Only by email
GET 100 FREE SPINS NO DEPOSIT - Only By Email
This offer is available only by subscribing.
Your e-mail will not be shared with any third parties. By adding your e-mail you agree to receive daily casino promotions, and this will be the sole purpose it will be used for.
![BetUK Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2023/02/BetUk-Casino-Logo.png)
BetUK Casino
Slot Games
1309
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2012
Slots Review
Once you join BetUK Casino, you can play over 1300 slots, such as classic slots, jackpots, and megaways. Furthermore, you can access plenty of progressive jackpots if you prefer games from NetEnt and Microgaming.
Pros
- Over 1300 slot titles are available
- More than 730 jackpot games, including 71 progressives
- BetUK Casino collaborates with 19 reliable gaming companies, like Play’n GO and Netent
Cons
- You will not find any slots with bonus buy-in.
KingCasinoBonus Ratings
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![Betfred Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2018/01/betfred-casino-logo-1.png)
DEPOSIT £10 AND PLAY WITH 200 ROUNDS
Betfred Casino
Slot Games
1000
Min. Deposit
£5
Casino Max. Cashout
£100000
Online Since
2004
Review on Slots
At Betfred Casino, you will find over 1000 titles from top-tier software vendors like Big Time Gaming, Blueprint, Netent, Microgaming, and Playtech. Also, you can access quality graphics and sounds without any lagging. Besides that, jackpots come with stakes that can reach up to £200000.
If you’re a casino newbie, we recommend you press the ‘i’ button of each game so you can read its description and learn how to play. Also, once you register, you can play for fun before making real money bets starting from £0.10.
Pros
- Players can access more than 1000 slots, including classics, video slots, and megaways
- Over 40 top-notch game providers
- An informational tab that offers details like payout rate, betting limits, rules, and bonus features
Cons
- No advanced game filtering options
- Unless you register on the site, you cannot access the demo version of the games.
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
![MrPlay Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2019/01/mrplay_logo_150x150-2.jpg)
MrPlay Casino
Slot Games
1500
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2017
Review on Slots
If you want to play games only from essential providers, stick to mr.play Casino. Its 1000+ slots are backed up by developers such as Microgaming, NetEnt, and Playtech, all three being innovative providers in the industry.
Yet, this platform hosts only 10 jackpots.
Pros
- More than 1000 slots are available
- Most games accept a minimum bet of at least £0.2
- You will find popular slot games like Starburst, 9 Pots of Gold, and Book of Dead
- Microgaming, NetEnt, and Playtech are among the providers
Cons
- A small variety of Jackpots and Megaways, with about 10 titles each.
KingCasinoBonus Ratings
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![KnightSlots Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2023/08/knight-slots-casino.png)
KnightSlots Casino
Slot Games
5500
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2020
Slots Review
KnightSlots offers its players a complete and extensive collection of slots with 4600 options and all game types available. The betting limits are also suitable for new and experienced players as they start at £0.10 and go up to £500. Furthermore, renowned developers provide most of the games.
Pros
- More than 4600 slots
- Over 60 providers
- Maximum bet of £500
- More than 240 jackpots
Cons
- Lack of games from Microgaming.
KingCasinoBonus Ratings
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![Gentleman Jim Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/05/Gentleman-Jim-Casino-king.png)
Gentleman Jim Casino
New casino
Slot Games
200
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2024
Review on Slots
Gentleman Jim Casino has a small library of 130 slots from Pragmatic Play and Leap Gaming. The site includes 18 megaways, such as Big Bass Bonanza. Usually, bets start at £0.10.
As soon as you register on the platform, you can access the titles in the demo.
Pros
- Games from the popular Pragmatic Play
- Demo mode for the titles
Cons
- A small catalog of slots
- Only 2 developers
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
![SlotStars Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2023/08/slot-stars-casino.jpg)
SlotStars Casino
Slot Games
5500
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2020
Review on Slots
SlotStars Casino slots selection is its most prominent feature, consisting of over 4560 titles from the best gaming providers, such as NetEnt, RTG, and Play’n Go. You can wager between £0.10 and £500 on Classic and Video Slots, Megaways, Bonus-Buys, and Regular and Progressive Jackpots.
You can learn everything there is to know about a game, including features, min and max bets, and paylines, before playing by using the information icon in the top right corner.
Pros
- Over 456 slot games
- Famous providers, including NetEnt, Red Tiger and Playtech
- Over 240 Regular and Progressive Jackpots
- Wagers from £0.10 to £500
Cons
- No penny slots available
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
![Playsunny Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/06/playsunny-casino-logo-update.png)
Playsunny Casino
Slot Games
1450
Min. Deposit
£10
Casino Max. Cashout
£20000
Online Since
2017
Review on Slots
With over 1450 slots from 12 leading developers like Microgaming, NetEnt, and Play’N Go, PlaySunny Casino is ideal for players who value game variety and proven providers. Must-have titles like Mega Moolah and 100+ Megaways are available for slot enthusiasts. You can play other popular games like Rotten and Big Bass Splash.
You can try the games before betting with real money only after you sign up on the platform.
Pros
- More than 1450 slots
- Megaways found in a variety of 100+ titles
- Microgaming, NetEnt, and Play’N Go developers are present
- Mega Moolah titles available
Cons
- Playtech games are not available on this gaming platform
- You cannot access the demo version of the slots unless you register.
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
![BetMGM Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/05/BetMGM-Casino150x150.png)
BetMGM Casino
Just added
New casino
Slot Games
2500
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2023
Slots Verdict
BetMGM is one of the best slot sites UK because it offers an excellent selection of slots with over 2500 options from the industry’s best developers. You will find premium quality games supplied by the likes of NetEnt, Nolimit City, Playtech and many others. In the collection, you will find most slot types, ranging from classic and video to fixed and progressive jackpots, as well as megaways and exclusive slots.
Pros
- Over 2500 slots
- 30+ world-leading developers, including NetEnt, Playtech and more
- Most slot types, including exclusives, progressive jackpots and megaways
- Bets ranging from £0.10 to £100
Cons
- Lack of titles from IGT
- The maximum bet could be higher to better suit veteran gamblers
KingCasinoBonus Ratings
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![Lottomart Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/05/lottomart-casino.png)
Lottomart
Slot Games
2906
Min. Deposit
£10
Casino Max. Cashout
£500000
Online Since
2019
Review on Slots
UK bettors can play 2000 slot titles at Lottomart, and multiple software developers like NetEnt, Microgaming, and Red Tiger provide these games. Some of the most popular slots you should look at are Rainbow Riches, Mega Moolah, Starburst, and Fishin’ Frenzy Megaways.
Moreover, you can play over 50 progressive jackpots on the site.
Pros
- Many slot games – 2000
- Multiple top providers
- Different game categories
Cons
- The titles do not have a demo version.
KingCasinoBonus Ratings
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![MrQ Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2022/01/250-mrq-logo-with-bg.png)
MrQ Casino
Slot Games
900
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2018
Review on Slots
If you are a gambler looking for a by-the-books slots gallery, then check MrQ Casino out. You will encounter over 800 slots from 27 providers, such as Microgaming and NetEnt, making this library comprehensive.
You can access the games in the play for a fun version. Also, players can access over 90 jackpot titles.
Pros
- There are more than 800 options to choose from
- Progressive jackpots are available
- Important providers such as Microgaming and NetEnt
Cons
- No penny slots are available in this section.
KingCasinoBonus Ratings
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![Pink Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2023/06/pink-casino.png)
Pink Casino
Slot Games
1500
Min. Deposit
£10
Casino Max. Cashout
£100000
Online Since
2012
Slots Review
Pink Casino’s gaming library is good for you if a compact but dense library is just what you are looking for or if you’re a newbie. This 578+ games selection has providers such as Microgaming, NetEnt, and Play’n Go and hosts games like Book of Dead and Mega Moolah variants.
Bets start at £0.10, and you can play over 40 jackpot titles.
Pros
- Microgaming, NetEnt, and Play’N Go provide the titles
- You can access popular games, such as Wolf Gold, Book of Dead, and Fishin’ Frenzy
Cons
- No bonus buy games are available.
KingCasinoBonus Ratings
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![FruitKings Casino Logo](https://kingcasinobonus.uk/wp-content/uploads/2023/05/Fruit-Kings-casino.png)
FruitKings Casino
Slot Games
1000
Min. Deposit
£10
Casino Max. Cashout
£250000
Online Since
2019
Slots Review
With a choice of over 1000 slots, you can always find a suitable slot at FruitKings Casino and never play the same game twice. You can’t play slots from a downloadable app but can access them on any desktop and mobile browser.
UK players can use the ‘Search’ bar to find a particular game or provider. Unless you register on the platform, you cannot access the titles.
Pros
- You can explore a catalog of hundreds of more than 1000 slots
- Browse innovative slots from leading developers like Yggdrasil, NetEnt, Red Tiger, and more
Cons
- Not all the slots have the autoplay feature.
KingCasinoBonus Ratings
Look & Feel | Payout Speed | Slot Games | Live Games | Bonuses | Loyalty | Support | Licensing |
How We Review the Best Real Money Slots Sites UK
Our experienced gaming experts manually analysed each recommended slot site. Our reviewers followed our review criteria about bonus options, specific and general terms of use, responsible gaming, wagering requirements, banking, support, and gaming content.
Security of Slots Casino Sites
We considered several variables besides the UKGC licensing to determine a slot site’s security. For instance, a factor such as popularity and reputation can signify reliability.
If an operator has high and positive ratings across several reliable online review platforms and forums, you can take it as an indicator of trustworthiness.
Essential Third-party Game Testing Certificates
Many of our recommended UK slot sites have independent third-party organisations testing and evaluating their gaming software to ensure its fairness and functionality. To ensure the gaming quality is tested, we seek approval from eCOGRA, iTech Labs, Gaming Laboratories International (GLI), and similar testing labs.
Slots Variety from Trustworthy Software Providers
A wide range of slot games can make it harder to pick a single game but gives you more range and allows you to find a game tailored to your gaming style. We promote only UK slot sites that provide licensed content from industry-leading software providers with a proven track record.
Tested Online Slots Real Money Bonuses
- We examine the casino bonus offers and their wagering requirements
- We sign up and claim the bonus with a qualifying deposit or code
- We start wagering on qualifying games
- Once all bonus terms are met, we submit a request for a withdrawal
- Provide withdrawal verification documents (if necessary)
- Wait for the casino to approve the withdrawal and credit the bonus/winnings
We Manually Check Payment Methods
Alongside reviewing the availability of payment methods, we check the efficacy of each payment option. A few of the banking criteria include deposit and withdrawal limits, processing of transactions, and whether the casino or payment service charges any fees. At the very least, a casino should have the following payment methods available to all UK players:
- Visa
- MasterCard
- Boku
- Skrill or Neteller
- Pay by Phone
- Bank Transfer
- Neosurf
- PayPal
Keeping up to Date With the Latest Mobile Gambling Trends
We tasted several slot games in each of the three casinos using an iPhone 14 Pro Max and a Samsung s22, and the games worked exceptionally well, with no lags, crashes, or similar issues, on both devices. Of course, you can even have an older smartphone model and still enjoy optimal game performance.
Our experience has shown that most online casino players in the UK and beyond tend to play on mobile casinos. You should seek new mobile casinos if you want to play new mobile slots on their release date.
A mobile app is not necessary, but it may appeal to many mobile players.
At the very least, we ensure the slot site is compatible for use on mobile in-browser on all major operating systems: iOS, Windows, and Android. We recommend it only after manually testing a casino’s mobile functionality relating to gaming content, payments, support, security, and user experience.
Quick Slots Sites’ Bonuses Guide for Smarter Choices
- Choose UK Slot Sites With a Valuable Welcome Bonus: A valuable offer is a welcome bonuses with fair terms and acceptable wagering requirements, withdrawal limits and maximum bets. All our listed sign-up promos pass this test. For some offers, like the Barz Casino welcome bonus, the wager terms may seem slightly above average, but the bonus compensates with other favourable conditions.
- Compare Minimum Deposits: This way, you know whether your budget qualifies for any bonus. While there are many no deposit bonuses out there, many popular casinos impose a minimum deposit for slots bonuses (between 5 to 20 pounds).
- See Which Slot Games Qualify: Not all games will be playable with free spins, and some of the games will have different game weighting, which you should check out before playing with bonus funds (doesn’s apply with no wager bonuses).
- Check out Online Slots No Wagering Bonuses: For a small deposit of just £10, you can claim no wager bonuses at many of our listed casino operators, but PlayOJO is renowned for being a no wagering casino all-around. Regardless of the no-wager benefit, you should know the remaining conditions.
- Find Online Real Money Slots Sites with a Free Bonus for existing players: A casino can award you with a slots no deposit bonus for your active play, if you are a VIP member, or immediately after you create an account. The former case is to be found in any of UK’s casinos with VIP and loyalty programs. You’ll notice each of the no deposit bonuses above are cash bonuses (as opposed to free spins). But specified slot games qualify for each bonus, meaning you can play first-rate slot games and take advantage of the games’ features while redeeming your bonus at the same time.
You still need to read the terms for each slots deposit bonus.
King’s Top Tips to Choose Your Ideal UK Slot Site
Here’s what you should look at before you choose a licensed casino from our list of the best online slots real money UK sites:
- Compare casinos to find a slot site with proper game filters
- Look for medium-to-high volatility games
- Find a casino with slots from leading providers
- Check for slot-specific promotions, like free spins
- The slots should have demo (fun) mode
- Hit the Play button on this page when you’ve found a good slot site for your needs.
How to Sign Up on Slot Sites? Easy Start with a Free Bonus
Our expert guide helps you sign-up and start playing for free. Here’s how:
How to find online slots no deposit bonuses
Look for UK slots sites with no deposit free spins. Use our filter to select sign-up no deposit slot bonuses with favourable terms. Note that as easy as the bonus terms may seem, you still have a limited amount of time (around 7 days, on average) to satisfy the remainder of the terms before the bonus expires.
With free spins for online slots, real money games can become a much better experience, because you have the opportunity to test the online real money slots sites yourself before depositing. No wagering and no deposit free spins give you the highest chance of walking away with an early positive bankroll.
If you choose from our selection of no deposit slots bonus offers, you are ensured to play on secure slot sites with free bonuses on sign-up and explore various slot games by top providers. These offers can result in a real money payout, but the fact that it doesn’t require a deposit generates a low expectation due to the equally low value of the spins bonus itself.
How to sign-up at online casino slot websites
- Read our review and carefully choose your slots site
- Prioritize independent slots online casinos for unique bonuses
- Create a new account by filling the blanks correctly with your ID information
- Complete the KYC (Know Your Customer) procedure
Why should you prioritize independent sites? Because with sister sites, there’s a chance you may get excluded from slot bonuses if you claim the same promotion twice or more across the network.
What is the best time to play online slots at UK sites?
There is no best time to play online real money slots because all games are governed by a Random Number Generator and pay out randomly. That being said, there is no way to uncover when a slot machine will pay other than hacking into the casino providers’ servers and manipulating something there.
The only way to improve your chances in slots is to play responsibly on safe, best-rated slot sites verified by KingCasinoBonus!
Types of Online Slots and Our Recommended Slot Sites
Slots come in all shapes and sizes these days: there’s an endless variety of types, from classic slots to video slots to progressive jackpots and Megaways. KingCasinoBonus experts introduce you to the most popular slot games by type, along with a variety of websites powered by the finest providers in the industry. Here are our recommendations:
Classic Slots
The original and simplest type of slot machine is the classic slot, which has three reels and symbols that remind of the classic one-armed bandit: fruits, bars, and sevens. Here are some of the best classic slots in UK online casinos and where you can find them:
- Fire Joker by Play’n GO – play at PlayOJO with no wagering bonuses or Mr.Q/MadSlots
- Book of Ra by Novomatic – BetFred welcomes you with 200 no wagering spins or try it at Luck casino with low wagering
- Cleopatra by IGT – top IGT casinos like Bally Casino, Casushi Casino host it
- Double Diamond by IGT – Rainbow Riches has it (along with a top no wager bonus); also available at Buzz Bingo
Video Slots
Video slots have five reels and elaborate themes with cinematic cutscenes, bonus rounds, and special features. If you want to try out this type of slot, we compiled a list of top slot sites online in the UK that have them:
- Starburst (NetEnt) – found on virtually all NetEnt casinos and at PlanetSportBet, where you get low wagering spins for 20 pounds
- Gonzo’s Quest (NetEnt) – found at Monopoly Casinos, Luck Casino
- Immortal Romance (Microgaming) – available at Bally Casino
- Thunderstruck II (Microgaming) – Play at Wild West Wins casino
Progressive Slots
Slots with progressive jackpots have dynamic maximum pot sizes that increase in value as more players play until someone triggers the jackpot prize. Here are our picks:
- Mega Moolah by Microgaming – play at Zodiac Casino or Captain Cooks
- Divine Fortune by NetEnt – play at BetFred, Luck Casino
- Jackpot Giant by NetEnt – MegaCasino has it
Megaways Slots
In Megaways Slots, symbols form across up to 117,649 paylines that make the reels change constantly:
- Bonanza (Pragmatic Play) – provided by BetFred
- Fishin Frenzy Megaways (Big Time Gaming) – available on Buzz Bingo
- Reel King Megaways – provided by Play Sunny Casino
3D Slots
3D slots use advanced graphics and animations to create an interactive and even more cinematic experience than video slots. Below, you can find the best examples of 3D Slots and where you can play them:
- Jack and the Beanstalk (NetEnt)- found in Mr. Q
- Steam Tower (NetEnt) – found at Play Ojo (no wagering free spins)
- Gorilla Go Wild (SG Digital) – found at Lottoland Casino
Top 10 Real Money Online Slots UK | KingCasinoBonus Rankings
Rank | Real Money Slots Games | Best feature | Provider |
---|---|---|---|
#1 | Book of Dead | Popular for bonuses | Play’n GO |
#2 | Starburst | Low volatility | NetEnt |
#3 | Mega Moolah | Progressive jackpot | Microgaming |
#4 | Rainbow Riches | Wishing Well feature | Barcrest |
#5 | Gonzo’s Quest | Tumbling reels | NetEnt |
#6 | Fishin’ Frenzy Megaways | Multi-payline slot | Blueprint Gaming |
#7 | Sweet Bonanza | Candy-crush like graphics | Pragmatic Play |
#8 | Wolf Gold | 3 different jackpots | Pragmatic Play |
#9 | Buffalo Blitz | 4096 ways to win | Playtech |
#10 | Goblin’s Cave | Classic low volatility slot | Playtech |
The above table lists some of the most popular slot games with some of the best features and top game mechanics.
Book of Dead – best high-volatility slot
Book of Dead is our expert’s choice for the best high-volatility slot. Since UK players mainly seek this type of game, we selected Book of Dead, developed by Play’n GO, because it is packed with special features for real money players.
Book of Dead Slot Details | Data |
---|---|
Launch Date | 2016 |
Slot Type | Video Slot |
Reels | 5 |
Paylines | 10 |
RTP | 96.2% |
Volatility | High |
Max Win | 250,000x stake |
Key Features
- Expanding Symbol – Land a special symbol that expands across the reels.
- Free Spins – Landing 3 book scatter symbols awards 10 free spins with expanded special symbols.
- Gamble – Double your winnings up to 5x by guessing the correct card color.
With exotic Egyptian graphics, adrenaline-pumping gameplay, and huge payout potential, Book of Dead delivers an electrifying high-variance experience. You can retrigger the bonus round, which makes this a must-play high volatility slot.
Bonus Potential
If you’re a frequent Book of Dead player, we recommend taking advantage of slot bonuses with free spins on Book of Dead, like the one from 21 Casino giving 21 free spins on this game. This lets you experience all the bonus features with an average wagering requirement of 35x.
Starburst – best low-volatility slot
Starburst comes second in our top slots ranking, but it’s undoubtedly the best low-variance online slot game in the UK. Free sign-up bonuses on NetEnt’s slot make it a true classic.
Book of Dead Slot Details | Data |
---|---|
Launch Date | 2012 |
Slot Type | Video Slot |
Reels | 5 |
Paylines | 10 |
RTP | 96.1% |
Volatility | Low |
Max Win | 50,000x stake |
Key Features
- Wild Symbol – The Starburst wild symbol appears on reels 2, 3 and 4 and expands to cover the entire reel.
- Re-Spins – Landing a wild symbol triggers up to 3 re-spins with sticky wilds in place.
- Bet Lines – With 10 fixed paylines, Starburst offers flexible betting options to suit all budgets.
With its cosmic theme, cascading reels and exciting re-spin feature, Starburst has cemented itself as one of the most popular low-volatility slots of all time. The vibrant graphics and synth soundtrack create an immersive, futuristic atmosphere. Frequent payouts make Starburst the perfect low-risk slot for both new and experienced players.
Bonus Potential
Regarding Starburst free spins bonuses, our expert recommends no deposit offers we tested, like the Starburst bonus at Space Wins. For a lower wagering requirement than Space Wins’ and an easier time, we believe PlanetSportBet’s bonus with a deposit of £20 is worth claiming (10x wagering).
Mega Moolah – best progressive jackpot slot
We chose Mega Moolah as the best progressive jackpot slot due to its popularity in the UK and beyond. Mega Moolah is a slot with multiple variations like Mega Money Wheel connected in the same network. All the games feature 5 reels, 25 paylines and the progressive jackpot slot fueled by Microgaming/Games Global.
Key Details
Mega Moolah Slot Details | Data |
---|---|
Launch Date | 2006 |
Slot Type | Video Slot |
Reels | 5 |
Paylines | 25 |
RTP | 88.12% |
Volatility | Medium |
Max Win | Mega Progressive Jackpot starts at £1,000,000 |
Key Features
- Four Jackpots – Mini, Minor, Major and Mega jackpots with various prize levels.
- Free Spins – Landing 3 or more scatters will trigger 15 bonus free spins.
- Wild Substitutions – The lion symbol acts as a Wild and substitutes for all symbols except scatters.
Explore the African wildlife on Absolootly Mad: Mega Moolah, the best progressive jackpot slot. Are you familiar with the record Mega Moolah has set? The game has awarded tens of millions in top prizes, including a record £17.9 million jackpot hit in 2022.
Bonus Potential
Zodiac Casino has the most popular bonus for Mega Moolah: deposit £1 and get £20 to play the best progressive jackpot slot. Alternatively, you can check out Captain Cooks jackpot chances for £5.
What to Expect from Online Slots? Expert Insights
Set the right expectations from playing online slots. KingCasinoBonus have one key principle: approach the games responsibly and avoid chasing your losses, and you’ll have a great time! As experts, we aim to help you understand the random mechanics of online slot machines and the best ways to play them. Slots have low minimum bets and adjustable bet sizes, enabling you to stay within your budget if practised responsibly.
UK players may choose an online UK slot site for the following reasons:
- Custom experience: With a wide variety of themes and features, online slots can satisfy a wide range of UK player preferences;
- Beginner-friendly gambling: New casino players should start with simple games, and online slots are the most straightforward to play;
- 24/7 availability: Compared to their local counterparts, online slots are available 24/7;
- Mobile convenience: As they can be accessed from anywhere, they are very convenient for mobile players;
- New slot releases: Land-based slots are the same in every UK casino, while new online slot games are released every month;
- Engaging special features: Online real money slots possess unique symbols and game features like expanding wilds and progressive jackpots;
- Social ways to play: Online slots UK sites often facilitate social interactions through slot tournaments.
Best UK Online Slots Providers | Industry Giants Reviewed
Microgaming, NetEnt, Playtech, IGT, and Play’n GO are the industry’s most recognisable and most popular providers of slots. Each brand has a rich portfolio of online slots, and with each new release, they at least match, if not surpass, the quality of earlier games.
Players receive their games well for their grand visuals, sounds, and in-game mechanics and features. Some games, like Honey Rush, deviate from the traditional game layout and provide cluster pay.
Other games like Mega Moolah and Reactoonz have huge jackpots and are part of a game series that gets better with every new release.
Rank | Real money slots provider | No. of slots | Noteworthy games |
---|---|---|---|
#1 | Microgaming | 500+ | Mega Moolah, Immortal Romance, Thunderstruck, Avalon, Wanted Dead or Alive |
#2 | NetEnt | 200+ | Starburst, Gonzo’s Quest, Aloha Cluster Pays |
#3 | Play’n Go | 280+ | Reactoonz, Book of Dead, Honey Rush, Viking Runecraft, Wild North |
#4 | Playtech | 500+ | Age of Gods, Green Lantern, Goblin’s Cave |
#5 | IGT | 250+ | Cleopatra, Treasures of Troy, Pharaoh’s Fortune, Da Vinci Diamonds |
#6 | Barcrest | 100+ | Ooh Aah Dracula, Elvis Top 20, Merry Money |
#7 | Eyecon | 80+ | Fluffy Favourites, Piggy Payout, Beez Kneez |
#8 | Pragmatic Play | 250 | Gates of Olympus, John Hunter and the Tomb of the Scarab Queen, The Dog House |
#9 | Quickspin | 100+ | Big Bad Wolf, Mighty Arthur, Eastern Emeralds |
#10 | RTG | 182 | Achilles, T-Rex, Pay Dirt! |
#1 Microgaming/Games Global
Microgaming stands out as a titan in UK slot sites, with a vast array of video slot games that cater to every type of player, and record-breaking online jackpots, available at prestigious casinos like 32 Red, Grand Ivy, and Fun Casino.
Microgaming slots range from adventure-filled titles to relaxing, classic themes, whatever Microgaming casino you choose.
#2. NetEnt
A provider that consistently delivers dazzling games to UK slot sites is NetEnt. Their engaging video slots and jackpots like Divine Fortune are a mainstay in casinos like MrQ or mr.Play Casino.
The graphics, soundtracks and bonus features make NetEnt slots sites a top choice for UK players seeking premium online gaming.
#3. Play’n Go
Play’n Go revolutionized the UK slot site market with captivating TV-inspired themes and grid slots. Play’n Go slots like Book of Dead, Fire Joker, and Reactoonz have become must-plays for UK players.
Enjoy these thrilling games at the top Play’n Go casinos such as Betway, LeoVegas, and Casumo.
Recommended Payment Methods for UK Players
Payment method | Average casino transaction limits | Withdrawal time | Pros (for slots player) | Cons |
---|---|---|---|---|
Debit cards | £1 – No limit | Instant – up to 3 days | Widely accepted across UK slot sites | Slowe 1-4 day withdrawals |
PayPal | £5 – £10,000 | Instant | Quick payouts of slot winnings | Some bonuses restrict its usage |
MuchBetter | £5 – £5,000 | Instant | Convenient e-wallet | Not available on all UK casinos |
Boku | £3 – £30/day | N/A | Best low-roller payment option | Only up to 30 pounds deposit |
Pay by Mobile | £3 – £30 | N/A | Direct phone carrier billing, anonymity | Credit betting concerns |
We additionally create and curate lists for casinos with specific payments:
Best Value in September: Slot Sites with Low Minimum Deposits
UK players looking for the easiest way to play slots should focus on low minimum deposit casinos. These allow you to spin real money slots starting from just 10p or 20p a spin. Get started with deposits as low as £5 or £10, and get more bang for your buck. Stretch low deposits into long slot sessions with bonuses with our selection of minimum deposit casinos for slots in September 2024:
- Dragon Bet Casino – £1 minimum deposit casino with 175 online slots
- Luck.com – best slot site with a £5 minimum deposit and 100 FSND on registration
- Virgin Games – £10 deposit slot site with £25000 max cashout
- Madslots – best slots bonuses with a £10 deposit
- Monopoly Casino – no wagering slots with low deposit
- BetUK – £10 minimum deposit, slots with no wagering
- Voodoo Dreams – low deposit spins on Book of Dead
How to Play Slots Online Responsibly
- Try the game for fun (if possible)
- Give the game a test run with a small budget (£10-£50)
- Place small bets
- Ask a casino support assistant to help you set betting limits
- Don’t start placing larger bets to compensate for losses
- Play with a budget that you can afford to lose
- Set gaming sessions (if possible)
- Quit while you’re ahead
- Don’t get carried away
Trusted and Tested: All UKGC-Vetted Slot Sites
The UKGC oversees all the best online slots real money UK sites we picked. Each operator complies with its Licence Conditions and Codes of Practice (LCCP) to ensure fair and quality gaming, player security, timely payouts, adequate player dispute resolution system, and user privacy protection.
The strict gaming and player protection standards and legal parameters the UK Gambling Commission set forth control every aspect of UK slot sites. Some operators hold multiple licenses, rendering them certified in payment security, account management, and gaming quality.
Pros and Cons of Online UK Slots Sites
Pros
- Guaranteed game quality
- UKGC-licensed
- Tailored bonuses for popular slot games
- Quick access to content from leading developers
- Vast choice of gaming content
- Suitable betting limits for casual players
- You can play slots for fun
- Claim personalised bonuses
- Earn points and rewards by simply playing
Cons
- Some casinos don’t offer a mobile app
- There’s a limited number of games on mobile casinos
- Gaming can become addictive
Become Slot Savvy with Our Glossary of Terms
Slots terms you should know | Definitions |
---|---|
Paytable | Slots’ paytables are charts displaying game symbols and associated multipliers and special features. |
Random number generator (RNG) | Random Number Generators are the algorithms slots function on. RNGs are used to generate each round’s random outcome. |
Reels | The reels represent the vertical alignment of symbols spinning in slots. |
Rows | Rows are the horizontal alignment of the spinning slot symbols. |
Paylines | Patterns in which symbols match on the reels to form winning combinations. |
Coin Value | The value of each spin in the game in increments of £0.1, £0.2 or £0.5, £2 or lower/higher. |
Gamble/double feature | The option to trigger a mini-game within the slot machine and risk your winnings for a chance to double or multiply them – handle with care. |
Slot game bonus features | In slots bonus rounds, special symbols or combinations align to trigger them. Most popular online include free spins features, re-spins, and pick-a-bonus rounds. |
Autoplay | You can activate a set of 10-100 automatic spins, which may stop if you land a winning payline or trigger a bonus round. |
Respins | Some special symbols and patterns activate one or more extra spins at no cost in certain slots like Gonzo’s Quest or Big Bass Splash. |
Tumbling reels | A different slot mechanic where symbols fall instead of spinning, as in Gonzo’s Quest. |
Wild symbols | Special symbols that replace other symbols to generate winning combinations. |
Scatter symbols | Scatter symbols can appear on any reel and activate various slots bonus rounds, as in Piggy Riches Megaways and many other games. |
Win-both-ways feature | A feature allows winning combinations to form from left to right and right to left. |
Expanding wilds | Symbols that cover an entire reel or row during slots bonus rounds. |
Stacked wilds | Wild symbols that appear stacked on top of each other on a reel. |
Matching symbols feature | Slots mechanic through which the game pays out when certain symbols are arranged into a winning pattern. Big Bass Bonanza, Fishin Frenzy, Pots of Gold and even any traditional fruit machine have this feature. |
Classic slots | The traditional fruit machine or poker machine with 3 reels and 3 rows. |
Video slots | Slot games developed with a narrative and more attention to graphic detail like Rainbow Riches Megaways from Barcrest, or Microgaming’s Immortal Romance. |
Progressive jackpot slot | Unlike their local counterparts, progressive jackpot slots share the biggest jackpot with a large network of players, and the top prize grows with each bet placed by the game rules, until it’s finally won. Some of the most popular progressive jackpot slots include Mega Moolah and Age of the Gods. |
Daily jackpot games | A popular interpretation of must-hit-by progressive jackpots, which don’t necessarily have a fixed value, but only a predetermined time when a player will randomly trigger them. |
Hit frequency | A metric of how frequently a slot pays out, with the average value being at 20%-30%. |
Volatility | A metric of how risky the game is, meaning how likely it is not to return winnings in predictable short-term patterns, but overcompensate later on – only suitable for big bankrolls. |
F.A.Q.
What Is the Best UK Casino Site for Slots?
It was a hard choice to make, but when choosing the best online slot casino in the UK, Parimatch Casino takes the No.1 spot. We have listed several other alternative casinos popular for their slots, mobile versatility and bonuses and lay out their key benefits and disadvantages.
Are Online Slot Casinos Reliable?
Some rogue operators may provide pirated or untested slot games, violating international gaming standards and laws. However, if an appropriate regulator licenses the site, you have no reason to doubt the games’ fairness and reliability. A casino’s licensor ensures that all licensees offer games from reliable operators and that each gaming item is tested for fairness and random number generation (RNG).
Where Can I Find Exclusive Slots?
Some top online casinos in the UK have gaming studios that produce unique, in-house slots. A few such casinos are Bonus boss, mFortune and Mr. Spin - all providing in-house Intouch games optimised to play on mobile. Other reputable operators with in-house games include 888 Casino and Grosvenor.
Are There Any 100% No Wagering Slot Sites?
Based on our research, there's more than one. For example, Play Ojo is a no-wagering requirements slots casino, i.e., the bonuses have no wager conditions. This versatile casino has over 2,000 slots, a player-friendly gaming platform, and a mobile-compatible interface. You can find many other no wagering casino bonuses on sign-up from various online casinos in the UK. Check our page linkfff in the right panel.
What is the Best Online Real Money Slots Site to Win Money on?
Mr Q has the best payment conditions, choice of online slots, and free spin promotions for customers in the UK. The no-pay and no wager spins are an ideal offer for gamblers that wish to start with the lowest possible expenses and still make a positive bankroll. Additionally, you can receive your funds within one day. With standard £10 minimum deposit and withdrawal amounts, as well as several banking options that cover all transaction essentials, Mr Q is a finalist for online slots real money gamblers.
What Slots Can I Play Online for Real Money?
All selected platforms have a generous catalogue of real money slots created by renowned developers. Mr Q and Coral Casino are included among the best entries of the Microgaming casinos active within the UK. Paddy Power Games, on the other hand, appears among the most popular Play’n Go casinos. You can expect to find specific online slots, real money games, and other entries from the provider. All three entries have real money slots specific to NetEnt casinos, including the famed Gonzo’s Quest franchise.
Where to Play Rainbow Riches & Pay By Mobile?
If you’re familiar with the game, but you can’t find a decent casino to play it, we would recommend Avenger Slots casino as an option. You can also use pay by mobile to fund your casino balance. You can play at the Rainbow Riches Casino, but you can only pay with Apple Pay by mobile
Can You Hack Online Real Money Slots for Guaranteed Payouts?
The results cannot be manipulated, not even by experienced hackers. Certified online slots produced by major developers are pretty much uncrackable. They use complex algorithms and RNG to produce random results on every spin.
Does Each Spin on an Online Slot Machine Produce Random Results?
Online real money slots are software-based games using random number generators that produce a unique, unpredictable outcome on every spin based on a mathematical algorithm.