The best slot sites in the UK stand out by providing thousands of slots you can access instantly. The market is overflowing with them so finding the right one for you can be time-consuming. In this guide, we’ve ranked and reviewed the top 10 slot sites and compared the best slot machines you can play for fun or real money.
Whether you’re new to slots or a seasoned player, our guide will help you choose a slot, including ones with high RTPs, jackpots, and high max wins. We’ll also uncover the best bonuses you can go for to boost your bankroll while playing this highly popular casino game.
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Our team has tested hundreds of platforms and selected the top 10 slot sites in the UK you can join today.Best UK Slot Sites for 2024
We created our top list following extensive research and ranked sites according to our editorial process. We invite you to learn more about how we rate casinos in our dedicated guide.
We’ve reviewed our top five slot sites and highlighted what slot selection awaits players at these operators. All these platforms are licensed outside of the UK and, nevertheless, offer a safe and fair gambling experience.
Instant Casino ranks as the top slot site in our list with almost 3,000 slot titles to choose from. Here you’ll find video slots, jackpots, prize drops, and ones with bonus buys. This casino allows players to try out most of their slot selection in free mode. This offers a chance for players to see whether they enjoy the game or not. The gambling site is even praised as one of the best online pokies in Australia.
The games are supplied by some of the greats in the iGaming sector, including Betsoft, Pragmatic Play, and Hacksaw. These include top choices such as Gates of Olympus (Pragmatic Play), Starburst (NetEnt), and Gonzo’s Quest Megaways (Red Tiger).
Slot players can enjoy a 10% cashback on all their weekly net losses at Instant Casino. In addition, they can try their luck in Pragmatic Play’s Drops & Wins promotion. Here players can participate in daily slot tournaments and prize drops with the chance of winning free spins, multipliers, and high-value cash rewards.
Top Casino Offers:
Offer | Description | Promo code | Rollover | Minimum deposit |
10% Cashback | Get 10% of your weekly net losses back | Not required | 0x | N/A |
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Set up in 2023, Nine Win is a new casino site with a licence from the Costa Rica authorities. Here you’ll find a wide selection of slots to choose from. From traditional slots to exciting video slots to jackpots and Megaways, Nine Win is home to 4,200+ titles in its portfolio.
This slot site has teamed up with multiple gaming studios to power its portfolio. Some names you might recognise are Pragmatic Play, Yggdrasil, BGaming, and NetEnt. Furthermore, Nine Win adds new real money slots regularly so you can enjoy the latest options with your casino login.
Nine Win hosts ongoing tournaments that slot players can participate in with the chance of winning free spins or cash. Furthermore, it features several fortune wheels that you can spin and potentially win table chips, bonus spins, and cash. Moreover, this online slot site is home to several other promotions that reward slot players with free spins.
Top Sign-Up Casino Offers:
Offer | Description | Promo code | Rollover | Minimum deposit |
Welcome Bonus | 100% up to £150 + 150 free spins | Not required | 35x | £20 |
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Licensed in Curacao, Jokabet ranks as one of the best slot sites and safest casinos in the UK. This platform is home to 3,900 slots from 100+ developers, including BGaming, Spinomenal, Pragmatic Play, and NetEnt. Within its library, you’ll find bonus buy slots, jackpots, and 3D real money slots.
Just like many other top slot sites in our list, Jokabet Casino lets you play its slot collection for free in demo mode. This gives you a way to see if you enjoy the game and test out its RTP and volatility without risking your bankroll.
When joining Jokabet Casino, you’ll benefit from 150 free spins and a 100% match bonus on a £20 minimum deposit. Along with this, registered users can enter a slot tournament that rewards winners with free spins and a money jackpot. Moreover, Jokabet hosts Pragmatic Play’s and BGaming’s prize drop promotions.
Top Sign-Up Casino Offers:
Offer | Description | Promo code | Rollover | Minimum deposit |
Sign-up Offer | 100% match bonus up to £150 + 150 free spins | Not required | 35x | £20 |
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iWild is a renowned slot site based in Costa Rica, which offers an impressive 7,000+ slot games for real money. This platform allows users to easily access the type of slot they’re after. Players can filter slots by jackpots, high RTP titles, high volatility slots, multipliers, ones with a buy feature, and more.
Like many other top slot sites in the UK, iWild has teamed up with 70 developers. Large brands like BTG, Play’n Go, Relax Gaming, and smaller developers both contribute games to iWild. Therefore, players have a diverse selection of best slots to play to choose from.
Payouts are subject to a minimum of €20 for players using eWallets and €50 for crypto users. This lower-than-average figure allows you to withdraw sooner when you get a win on your favourite slot.
Top Sign-Up Casino Offers:
Offer | Description | Promo code | Rollover | Minimum deposit |
Main Welcome Bonus | 260% up to €3,500 + 270 free spins across first four deposits | Not required | 35x / 40x free spins | €20 |
Welcome bonus | 100% up to €500 + 100 Free Spins | Not required | 35x / 40x free spins | €20 |
Pros:
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Immerion Casino offers 5,500+ online slots games for real money in its portfolio. The games are high quality, being powered by some of the pillars of the iGaming industry, such as Nucleus, Netent, and Yggdrasil. Other smaller developers also power Immerion’s games, so you’ll be able to find different titles to play.
The lobby is home to video slots that you’ll be able to filter according to their features. Additionally, you can easily select your favourite provider from the slot site’s menu and find their offering instantly. Moreover, Immersion lets users try out the slots in free mode, before joining the casino or wagering any real money.
The UK slot site offers a 10% daily cashback to all users and a further 10% to anyone accessing the casino through the messaging app Telegram. Therefore, you can benefit from up to 20% weekly cashback on your net losses.
Top Sign-Up Casino Offers:
Offer | Description | Promo code | Rollover | Minimum deposit |
Welcome Bonus | 500% match across your first four deposits up to $5,000 | Not required | varies | $30 |
Pros:
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To help you choose which slot site suits you best, we’ve compiled a list showing their main features.
Slot Site | Number of real money slots | Slot Providers | Popular Slot Games Available | Welcome Bonus | Wagering Requirement | Expiry Date |
Instant Casino | 3,000+ | Pragmatic Play, NetEnt, Red Tiger, + 80 more | Gates of Olympus, Gonzo’s Quest, 5 Lions Megaways | 10% Cashback | 0x | N/A |
Nine Win | 4,200+ | BGaming, Betsoft, Pragmatic Play, BTG + 100 more | Sweet Bonanza, Wolf Gold, Burning Chilli, Big Bass Bonanza | 100% up to £150 + 150 free spins | 35x | 7 days |
Jokabet | 3,900+ | BGaming, Betsoft, Pragmatic Play, NetEnt + 100 more | Wanted Dead or a Wild, Big Bass Hold and Spinner, Mega Moolah | 100% match bonus up to £150 + 150 free spins | 35x | 7 days |
iWild | 7,000+ | Hacksaw Gaming, Spinomenal, Habanero, Pragmatic Play +60 more | Sugar Pop, Quest to the West, Buffalo King Untamed Megaways | 260% up to €3,500 + 270 free spins across the first four deposits | 35x / 40x free spins | 10 days |
Immerion | 5,500+ | Hacksaw Gaming, Red Tiger, Quickspin, Betsoft +60 more | Yeti Quest, Treasures of the Trident, Pineapple Crush, Catch the Gold Hold and Win | 500% match across your first four deposits up to $5,000 | varies | 24 hours |
Final Countdown | 2,000+ | BGaming, Microgaming, NetEnt, Novomatic, Pragmatic Play + 50 more | Gates of Olympus x1000, Gypsy Rose, Dragons Fire Infinireels | 140% match up to €1,500 | 50x | 30 days |
Dealbet | 2,000+ | Betsoft, Microgaming, MrSlotty, Pragmatic Play + 50 more | After Night Falls, Big Bass Bonanza Megaways, Aztec Powernudge | 120% up to €600 | 45x | 30 days |
Donbet | 6,800+ | Red Tiger, Play’n Go, Hacksaw + 70 more | Book of Dead, Rise of Olympus, Gonzo’s Quest Megaways | 150% up to €750 + 50 free spins | 30x | 30 days |
Savanna Wins | 4,800+ | Microgaming, Hacksaw Gaming, Play’n Go + 30 more | Mega Joker, Book of Ra, The Copa | 650% match deposit up to £3,000 and 225 free spins across three deposits | 30x | 30 days |
BetFoxx | 3,800+ | Betsoft, BGaming, Pragmatic Play + 30 more | Dragon’s Element Deluxe, Take the Vault Hold and Win, Sugar Rush | 300% up to 1 BTC + 20 Free Spins | 40x | 7 days |
There are several important factors to consider when signing up for a slot site. In the section below, we’ve outlined the aspects our team uses to ensure that players are given a safe, fair, and entertaining gaming experience. First and foremost, our team checks the licensing of the slot site we’re reviewing. To make our list, the platform must be licensed by a leading authority, such as the Curacao Gaming Control Board. We then look out for the security measures the slot site uses to keep the details of its users safe. SSL encryption, strong firewalls, and Intrusion Protection Systems need to be evident to protect the site from any harmful attacks. Finally, we review the customer support services by checking their availability and opening hours. Having a wide selection of slots to play is a must. The best slot sites for winning offer a vast array of games to choose from, including blackjack, poker, and live-dealer games. We review the collection and quality of the available traditional slots, video slots, jackpots, and ones with bonus buys. Moreover, we ensure that the slot developers that power the games have a solid reputation. While compiling our list of the best slot sites, we evaluate their promotions to ensure that they can be redeemed whilst playing slots. These incentives include cashback, extra funds through match deposits, free spins, and more. The best UK slot sites should offer a wide range of secure and fast payment methods, including crypto, credit and debit cards, plus eWallets. This helps you deposit and withdraw funds in a way that is suitable for you. We also recommend looking for fast withdrawal casinos to have access to your winnings in a short time. Slots remain the most popular game in online casinos and as time goes on, more users access the site on their mobile phone or tablet. Therefore, we test the site to ensure that it is mobile-friendly by adjusting automatically to the size of a screen without compromising on your experience.
How We Rate The Best UK Slot Sites Online
Licensing, Security, & Customer Support
Game Variety
Online Bonuses and Promotions
Payment Methods
Mobile Friendliness
Learn more about the five most popular slots in the UK. These offer immersive graphics and the chance to win life-changing rewards. Below, we’ve provided a brief overview of each real money slot and a recommended slot site that hosts the game.
Released just this year by Pragmatic Play, Sweet Bonanza 1000 is already one of the most popular slots in the UK. This highly volatile real money slot boasts a variable RTP of up to 96.53%. It follows its 2019 predecessor, Sweet Bonanza, but with some extra features. These include a higher wax win of 25,000x your bet and a slightly higher RTP.
You can enjoy a tumble feature, up to 20 free spins, and a multiplier that can increase to 1,000x during the bonus spins round. Sweet Bonanza 1000 also features an Ante Bet, where players bet an additional 25% to double their chances of activating the free spins.
The well-known ancient Egypt adventure Book of Dead is one of the original slots that gave rise to this notorious theme. Produced by Play’n Go in 2016, it is one of the most played real money slot games ever created. This is thanks to its high-quality graphics, bonus features, an impressive 5,000x max win, high volatility, and a 96.21% RTP.
Bonus features include a gamble feature, where you need to predict the colour and suit of a playing card. This can double or quadruple your winnings. Three tomb scatters trigger the free spins round where an expanding symbol can boost your payouts even further. The tomb is also the slot’s wild, substituting for all standard symbols.
The Dog House Megaways is another super popular Pragmatic Play UK real money slot. Just like the best Megaways slots, this game can provide up to 117,649 winning combinations on each spin. The average RTP is 96.55% and you can with up to 12,305x your stake. Giant symbols and wilds with multipliers can land during the base game.
Landing three scatters triggers a free spins bonus. You can choose between two types: Sticky Wilds or Raining Wilds. The difference between them is how the wilds with multipliers are distributed. Lastly, this real money slot uses a tumble feature throughout the game, allowing you to win repeatedly on the same spin.
Join Zeus in this Greek-mythology-themed online real money slot by Pragmatic Play. Rather than using the more traditional paylines, symbols pay anywhere as long as a minimum of eight identical ones appear on the same spin. Gates of Olympus has a variable RTP that tops at 96.60% and high volatility.
Random multipliers up to 500x can land throughout the base game and, if more than one shows, their values are combined. Free spins are rewarded when three or more scatters appear. However, players can opt to buy this bonus round instead of waiting for it to happen randomly. The 5,000x jackpot is achievable in this bonus round.
The iconic Starburst by NetEnt is one of the most played slots in the UK. It offers a max win of 500x your stake and a default return to player percentage of 96.06%. Following its success, Starburst XXXtreme was released offering a whopping 200,000x max win.
Players enjoy this real money slot because of its low volatility and simplicity, making it an ideal option for beginners. Besides expanding wilds, the main bonus feature of Starburst is a pay-both-ways engine. Unlike the other slots in our list, this gem-themed slot does not offer multipliers or free spins bonus rounds.
We’ve put together a step-by-step guide for players who would like to start playing slots for real money that you can follow.
Once you’ve chosen a slot site that suits your preferences, head to the main website on your web browser. In our example, we’ve used Instant Casino as it is our number one slot site.
Next, click ‘Sign up’ from the main page of Instant Casino and enter your details to create an account.
Slot sites may sometimes ask players to verify their identity before they can start playing real money slots. This may include KYC documentation, such as a copy of your ID.
To be able to play online slots for real money, you’ll now need to fund your account. Furthermore, if you want to unlock the welcome bonus, ensure that your deposit meets the minimum requirement.
Once the funds are in your account, you can start playing for real money. Remember to always gamble responsibly by setting a budget, taking breaks, and not betting what you can’t afford.
Slots have always been the most sought-after game around, both in land-based and online casinos. They have gone through major changes, starting from simple three-reel fruit slots to more complex and cutting-edge video slots with infinite reels. In the following part of our guide, we’ll highlight the four main types of slots that you can find at the best slot sites in the UK.
These slots often feature one, three, or five paylines and have a more conventional feel to them. Mega Joker and Jackpot 6,000 (NetEnt) and Mystery Joker (Play’n Go) remain three of the most popular classic online slots for real money. They commonly accept low minimum bets of about 10p, making them well-suited for players at £10 minimum deposit casinos.
The animations, graphics, and soundtracks in the best video slots online are more enthralling and immersive than classic slots. These slots typically have five reels with winning paylines that can be anywhere from ten to hundreds. Top real-money video slots include Gates of Olympus (Pragmatic Play) and Book of Dead (Play’n Go)
Megaways slot is a recent feature that was added to video slots. This gives players up to 117,649 winning combinations on every spin, instead of the traditional fixed paylines. High RTP Megaways slots include Extra Chilly Megaways (Pragmatic Play) and Gonzo’s Quest Megaways (Red Tiger).
Progressive jackpot slots are different from classic and video slots because they feature a jackpot prize that can run in the thousands or millions. The pot is first seeded and each time a player places a wager, the pot grows. This keeps increasing until a lucky player wins the entire pot.
In the table below we’ve highlighted the top 10 progressive jackpot slots.
Progressive Jackpot Slot | Software Provider | Max Jackpot Win |
Mega Moolah | Microgaming | €19+ million |
Mega Moolah Goddess | Microgaming | €5+ million |
Ancient Fortunes WowPot Megaways | Triple Edge Studios | €3+ million |
Sisters of Oz WowPot | Triple Edge Studios | €2+ million |
Holmes and the Stolen Stones | Yggdrasil Gaming | €172+ thousand |
Cash Splash | Microgaming | €134+ thousand |
Shining Pot 5 | Pragmatic Play | €60K |
Age of the Gods SuperPower | Playtech | €50K |
Chilli Pop | Betsoft | €30K |
Ozwin’s Jackpots | Yggdrasil Gaming | €20K |
As soon as you spin the reels, the mechanics behind slot machines go into motion. Known as Random Number Generators (RNGs), these engines produce a big set of random numbers. These numbers determine the outcome of the spin, that is, what symbols show and where they land. If the symbols land on an active payline, you receive a payout.
All slots come with a payout percentage, known as the Return to Player or RTP. Understanding what is RTP is important as it shows you the probability of how much the game will pay out across millions of rounds. For instance, a slot with a 97% RTP will theoretically pay back £97 for every £100 wagered. However, since it’s based on millions of spins, it cannot act as a guarantee as the slot’s RNG determines every spin.
Below, we’ve highlighted some of the best software providers that supply games to our recommended slot sites.
Since its launch in 1999, Betsoft has proved to be a market leader in the iGaming industry. It has created close to 300 entertaining games with high RTPs, such as Good Girl, Bad Girl, Gypsy Rose, and After Night Falls.
Licensed by the MGA, UKGC, and other hubs, Pragmatic Play has developed 800+ slots, live games, bingo, and more. It keeps adding new titles to its wide portfolio with an average of three new titles every month. Gates of Olympus, Wolf Gold, and Big Bass Bonanza are some examples of the most popular real money slots in the UK.
NetEnt made its debut in 1996 and was later bought out by Evolution. Since then, this established developer has created 400+ games with exciting graphics and higher-than-average RTPs. NetEnt is responsible for the popular Starburst, Gonzo’s Quest, and Knight Rider video slots.
Most online casinos offer bonuses and promotions to attract new players and thank their loyal ones. These are the main bonuses you’ll come across at the best slots sites in the UK.
In a match deposit or reload bonus, the slot site gets your deposit and matches it with bonus funds. Although the former is used as a sign-up bonus and the latter is used for existing players, they both achieve the same result.
You can spin a slot machine using a free spins bonus. Here you are given spins that can be redeemed on a real money slot. The casino awards free spins as an exciting part of a no-deposit or welcome bonus. Alternatively, they can be given as a reward to the winners of a slot tournament.
With a no deposit bonus, you’ll be able to play free slots and win real money. Perks include free spins or chips to use in the casino. Other types of no deposit bonuses may include referral or birthday bonuses. However, it’s important to read the terms and conditions attached as these bonuses often have their own rollover requirements that you must fulfil.
Cashback is another popular bonus at the best slot sites in the UK. Here casinos reimburse a percentage of your net losses. They’re usually calculated on your daily or weekly net losses, so the reward won’t be available instantly.
You can enjoy thousands of free slots at several of our recommended slot sites. This gives you a way to try the slot in demo mode to discover what to expect from it without risking any funds. It’s a great way to try out new games and helps beginners learn how to play slots. However, your wins will not result in real money payouts.
Feature | Free Online Slots | Online Slots Real Money |
Experience | Playing slots in demo mode gives you a way to experience the thrill of slots without spending any money. | Playing slots for real money offers the same experience in many cases. Playing jackpot slots is also possible when playing for real money. However, it costs money to play. |
Bonuses and Promotions | Bonuses cannot be applied when playing in demo mode. | When playing slots for real money, you’ll be able to unlock several casino bonuses. |
Winnings | As you’re playing with imaginary money, you do not win real money. | All wins are real money. Furthermore, you get the chance to win high in progressive jackpots. |
Availability | Not all slot sites offer demo play. | You have access to the slot site’s full library. |
Mobile gaming has expanded drastically due to its accessibility and convenience. Practically all slots and slots sites have been designed to run on smartphones, tablets, and desktops. Using dedicated casino apps, HTML5 and other technologies, the sites work seamlessly on mobile phones without impacting a player’s gambling experience.
Instant Casino is our number one slot site recommendation. It offers thousands of real money slots and other casino games and accepts several secure payment options. Slot players can enjoy a 10% cashback as well as slot tournaments and prize drop promotions. Moreover, Instant Casino has teamed up with several leading slot developers, such as Betsoft and Microgaming, to provide 3,000+ titles in hundreds of exciting themes.
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