Best UK Online Slots 2022 - Top Slot Casino Games (Real Money)

Play the best real money slots from our shortlist of casinos below. Each site offers hundreds of slot machines from top providers like Microgaming, NetEnt and BetSoft. Compare the best casinos and start playing online slots for real money today!

Ancient Gods

Most popular slot game

4.5/5

Casino.org player ratings

Best UK online casinos for real money slots in 2022

Number one rated Casino
Top Rated US Casino

100K Free Coins & 200 Free Spins

  • Stopwatch icon Payout Speed: N/A
  • Flash icon Win Rate: N/A

  • Play over 90 free casino slots
  • Huge jackpots and wins
  • Free chips every 3 hours
  • VIP club, contest and challenges

Banking options include

2

$25 Bonus

  • Stopwatch icon Payout Speed: N/A
  • Flash icon Win Rate: N/A

  • Compete against other players in exciting tournaments
  • Over $500,000 given out in prizes every day
  • Compatible with mobile devices
  • Play for free and for real money

Banking options include

3

Free Chips @ Signup Bonus

  • Stopwatch icon Payout Speed: N/A
  • Flash icon Win Rate: N/A

  • Exciting Bonus Games
  • Unique Friend Play
  • Play Blackjack & Poker
  • Customizable Experience

Banking options include

4
  • Free Spins @ Signup Bonus
  • Stopwatch icon Payout Speed: N/A
  • Flash icon Win Rate: N/A
5
  • Free Chips @ Signup Bonus
  • Stopwatch icon Payout Speed: N/A
  • Flash icon Win Rate: N/A
6
  • 3.5M Free Chips @ Signup
  • Stopwatch icon Payout Speed: N/A
  • Flash icon Win Rate: N/A
7
  • Free Chips @ Signup Bonus
  • Stopwatch icon Payout Speed: N/A
  • Flash icon Win Rate: N/A
8
  • Free Chips @ Signup Bonus
  • Stopwatch icon Payout Speed: NA
  • Flash icon Win Rate: N/A
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Unsafe UK slots casinos

Every now and again, we come across a casino that we recommend you avoid playing on. We have a strict 25-step review process, looking at things like a site’s software, promotions, how easy the banking process is, security and more. When any of these steps fall below our standards, the casino is added to our blacklist.

Cool Cat Logo

Cool Cat

2 / 10
  • Reports of rigged games
  • Janky playing experience
  • Hidden wagering requirements on bonuses
Grand Prive Logo

Grand Prive

2.3 / 10
  • Unfair RTP not giving players a fair chance
  • Technical problems being reported
  • Reports of unsafe software used on site
Planet 7 Logo

Planet 7

1.2 / 10
  • Not paid players their winnings
  • Plagiarised games software
  • Low game standard on site

Best payout slots games for UK players

The following slots are ordered in terms of highest payout percentage:

Rank Slot Game Developer RTP
1 Bloodsuckers NetEnt 98%
2 Avalon II Microgaming 97%
3 Guns N' Roses NetEnt 96.98%
4 Thunderstruck II Microgaming 96.65%
5 Wheel of Fortune IGT 96.46%
6 Mega Fortune NetEnt 96.6%
7 Starburst NetEnt 96.01%
8 Gonzo's Quest NetEnt 96%
9 Book of Ra Novomatic 96%
10 Wizard of Oz WMS 95.99%
900+ FREE Slot Games
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Types of UK slot machines

In the world of online gambling, online slot games come in four categories: three-reel, multi-reel, video slots and progressive slots. Take a look at the varieties below for an introduction to the different types of slot machines in the UK.

Three-reel classics Multi-reel slots Video slots Progressive slots
Three-reel classics

Three-reel slot games are based on classic fruit machines found in casinos. This type of slot machine usually features classic symbols like fruit and playing cards. To win, simply line up three matching symbols on a single payline.

Multi-reel slots

Multi-reel or multi-payline slots give multiple winning combinations across the reels. Typically, the number of paylines can be anything from 25 to well over 100 and stretch diagonally, horizontally, in a V-shape or even zigzag over the reels. Tap below to play slots online for free and try out plenty of multi-reel games!

Video slots

Video slots are another form of online slot machine. This type of slot tends to offer a more immersive experience and allows players to win through interactive bonus features or 3D animation. Most online casinos will have a good range of video slots including games like Wheel of Fortune, Thunderstruck II and Wizard of Oz.

Progressive slots

Progressive slots offer a jackpot that increases every time a bet is made and won. Essentially, a small percentage of every winning bet goes towards the jackpot. For top games, the final prize can reach well into the millions. Most online casinos will differentiate between a classic slot and a jackpot slot. To try progressive slots for yourself, head to our free games section below.

Play Free Online Slots

See more games recommended for you
  • Developer
    NetEnt
  • # of Reels
    5 Reels
  • Players
    N/A
  • Jackpot
    62,500
  • Lines
    20
  • Min. bet
    N/A

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At Casino.org, we have a whole host of top-rated free slots from the world's most exciting online casinos, which you can play right here. These exclusive free games are available to play instantly, whether at your desk or on your mobile, as there’s no registration or requirement to download an Android or iPhone app. Play for fun, practise your strategy or use these games to test the latest releases from leading slots developers. Try your luck at the free games above to get started!

What a top UK slots casino can offer

1

Hundreds of free slots

All the shortlisted online casinos here offer a great variety of slot machines for players to enjoy, including classic and video variations, with plenty of different themes to choose from. You can expect a thrilling experience and a range of top 3 reel and 5 reel titles. We look out for casinos that offer plenty of free slots so you can spin just for fun, and great real money games if you favour the thrill of gambling for real cash.

2

Safe and secure software

The best gambling sites will of course have games software from top developers, such as Playtech, BetSoft and Microgaming. You can be sure to find slots with great graphics and plenty of dynamic features that will run smoothly, whether it’s a desktop, iPhone or mobile device that you’re using. When you play online slots for real money, you'll want to be reassured that your money is in good hands. You can rely on our recommendations being licensed by the relevant gaming authorities, and guaranteeing a fair game using random number generators to put out those winning combinations on the reels.

  • Norton Secured logo
  • TRUSTe certified privacy logo
  • SSL Secure logo
  • eCOGRA safe & fair logo
  • 100% secure logo
3

Top welcome bonuses

A generous welcome bonus is a must for any reputable online casino. This is particularly true when it comes to slots, so you can get in plenty of extra spins. All our top-rated sites offer excellent bonuses for a great start to your online slots experience. The games themselves all offer high payout percentages to give you the best return on your bet, and cashing out any big win is very easy with all popular banking options. If you’re a winner, you can expect any funds to be in your account within hours.

Premium gaming experience online

As long as the slots games deliver on all of the points noted above, the casino will be added to the shortlist here, giving players the choice of the very top casinos online. You can be sure that you'll get the best slots games and variety of titles for desktop and mobile gaming, as well as bonus rewards and handy customer support if required. We put all our recommendations through a 25-step reviews process and check them every three months to make sure they are still delivering on quality games.

8.2
View our recommended casinos

Real money vs. Free Games

While free slots are a great way to play just for fun and to hone your skills before spending real cash, nothing quite compares to the thrill and excitement of real money gambling. As you can see from the table below, both real money and free games come with their own advantages and disadvantages.

  • Real money slots
  • Free games slots

Players have the opportunity to win huge sums of cash, adding a massive element of anticipation to the gameplay

Available to play instantly with no app download or sign-up required

Real money players are rewarded with welcome bonuses, free spins and loyalty rewards

Give players the chance to try games out before spending their money

Real money gaming can see players lose huge sums of hard-earned cash if they don't play responsibly

Free play gamers often do not qualify for casino bonuses and loyalty rewards

Players have the opportunity to play for progressive jackpots

Can be played anonymously with no need to divulge personal information or bank details

Payouts sometimes won't be received instantly, and will instead take a few days depending on the casino

Players miss out on the chance to win huge jackpots and other big prizes

Slots strategy

Online slots are entirely reliant on chance, but that doesn’t mean there aren’t things you can do to put yourself in a better position to win. Experienced players follow a distinct strategy, like only playing games with the highest payout percentages, practising their bonus rounds and knowing their paylines inside and out. Follow these guides to give yourself the best possible chance to win.

What is a payout percentage?

As a slots player, the payout percentage tells you how much of your money bet will be paid out in winnings. This means you can work out how much you could win on average. For example, if a slot game payout percentage is 98.20%, the casino will on average pay out $98.2 for every $100 wagered. This is also known as Return To Player (RTP). We outline the RTP for each casino we rate so you can find the payout percentage on a slot machine easily.

UK slots software providers

Online casinos offer an expansive range of video slot titles, many of which come from a handful of industry-leading software developers. When it comes to video slots, these guys really know their stuff. Here are some of our favourites to look out for:

  • Real Time Gaming
  • Playtech
  • Microgaming
  • Aristocrat
  • IGT
  • NETent
  • Novomatic
  • Merkur Gaming
  • NYX
  • Betsoft

Slot game reviews

Still want a little more information before choosing your game? Check out our slot reviews to discover one that’s just right for you.

UK slots FAQs

How do online slots work?

The basic concept of spinning the reels to match up the symbols and win is the same with online slots as it is in land based casinos. The key difference playing slots online is that the variation of games will be wider, and you'll find that most online slots offer more reels and paylines, so your chances of netting a winning combination increases.

Can I play slots for free?

Yes. Every reputable online slots casino will offer players the option to play some free slot games. This means you won't have to deposit any money to get started, you can simply enjoy the game for fun. But, you won't win any either. Despite that, playing free online slots is a great way to get a feel for casino slot games before you advance to wagering with real money.

What should I look for in an online slot casino?

After security and legitimacy (there are unfortunately a lot of rogue online casinos out there) you want to look at the payout percentage of an online slot. This is the percentage of the wagers paid in that the casino pays out in winnings. This is especially important if you're planning on playing for real money. A higher payout percentage generally means more money back in your pocket.

What’s a progressive jackpot?

This is a jackpot that builds up over time and then pays out a big sum of money to a single player. Most online slots casinos offer progressive jackpot slots so it's worth keeping an eye on the jackpot total and how frequently the game pays out.

Can I win real money playing online slots?

Yes you can. While online casino slots are ultimately a game of chance, many players do frequently win decent sums, and some lucky ones even score life-changing payouts. If you're in it for the big bucks, progressive jackpot slots will probably suit you best.

Are online slot casinos trustworthy?

Absolutely. Provided you play at a recommended online slots casino, and avoid any blacklisted sites, your personal details and your money will stay perfectly safe online. We independently test and verify every online casino we recommend so selecting one from our list is a good place to start.

How do welcome bonuses work?

Welcome bonuses reward players when they make their first real money deposit. The exact terms and requirements vary from casino to casino and some offers that seem too good to be true probably will be. Before you commit your cash, we recommend checking the wagering requirements of the online slots casino you're planning to play at. These will explain how much of your money you're required to deposit upfront, and what you can expect to receive in return. The best bonuses will offer large payouts on minimal deposits.

Which online slots pay out the most?

Progressive slots games pay out the most money, with Mega Moolah being the record breaker at about £16,705,495. Our list of top-rated online slot casinos shows you the recommended games paying out real money. There are a huge variety of online casino slots paying out varying sums. These include classic three-reel slots, multi-payline slots, progressive slots, and video slots.

How do I pick a winning slot machine?

To try improving your chances of winning a jackpot, choose a progressive slot game with a fairly small jackpot. These games pay out most often. Another method is to pick simpler games. If a game is complex and exciting, software developers have spent more time and money to build it. This could mean frequent wins are less likely. Either way, the slot machine will still be fair and random.

Are online slots rigged?

No, all regulated online slot machines are completely fair. The results are random every time, meaning that nothing in the game is rigged. To ensure fair play, only choose slots from approved online casinos, such as those we list on this page. Playing at any of these will give you a fair chance of winning.

How do I pick a good slot machine?

You need to make sure you are playing slots with high Return to Player (RTP) percentages, advantageous bonuses, good overall ratings and a theme you appreciate. Check out our recommended slots to play in 2022 section to make the right choice for you.

What is the best online slot site?

The one that offers the biggest payouts, jackpots and bonuses along with exciting slot themes and a great player experience. To find out our top casino for this month head to our toplist.

What is the legal gambling age in the UK?

The legal gambling age in the UK is 18. The only exception is licensed family entertainment centres.

Discover the best UK slots sites online

Check out our handy table below, listing the top casinos to play slots games on. Our experts have gathered some of the top information so you can make the best decision for you when you decide where to play slots online.

Rating Slots Site Top Slot Game Number of Slots Developer Payout Percentage Bonus
1 Gambino Slots - - - N/A 100K Free Coins & 200 Free Spins
2 WorldWinner - - - N/A $25
3 Big Fish Casino - - - N/A 100,000 free chips on signup
4 My Jackpot - - - N/A Free Spins @ Signup
5 Vera Vegas - - - N/A Free Chips @ Signup
6 Goldfish Casino - 120+ - N/A 3.5M Free Chips @ Signup
7 Heart Of Vegas Slot - 100+ Aristocrat N/A Free Chips @ Signup
8 Double Down Casino - 150 Double Down N/A Free Chips @ Signup