The best online slots and top slot sites reviewed and ranked by the Gambling.com team of slot experts, along with the latest UK slots bonuses and offers.
With so many online slots available, our slots experts are here to help you find the best slots games and UK slot sites to play them at.
This comprehensive guide to online slots will show you how to play, plus introduce the various types of slots, including game features, mechanics and themes.
Affiliate Disclosure:At Gambling.com, we want to ensure that players are matched with the right casino and sportsbook offers for them. For this reason, some of the recommended site links are affiliate links. This means that if you visit a website through our link and make a deposit, Gambling.com will receive a commission payment at no extra cost to you.At Gambling.com, we want to ensure that players are matched with the right casino and sportsbook offers for them. For this reason, some of the recommended site links are affiliate links.At Gambling.com, we want to ensure that players are matched with the right casino and sportsbook offers for them. For this reason, some of the recommended site links are affiliate links. This means that if you visit a website through our link and make a deposit, Gambling.com will receive a commission payment at no extra cost to you. All product reviews and recommendations are still impartial as our editorial standards are designed to be commercially independent and follow a professional methodology.MoreLess
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40+
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20+
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24 Hours
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80+
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1600
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50+
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20+
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10+
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24 Hours
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24 Hours
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30+
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35x
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24 Hours
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40+
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20+
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30x
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Instant
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2000+
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80+
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40+
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30x
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Instant
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2000+
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80+
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40+
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35x
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1-3 days
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500+
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10+
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40x
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24 Hours
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30+
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10+
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35x
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48 Hours
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1900+
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40+
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30+
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40x
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24 Hours
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2100+
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30+
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25+
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50x
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24 Hours
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1253
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40+
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20+
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50x
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24 Hours
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2800+
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40+
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50+
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40x
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Up to 3 working days
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2200+
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0
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40+
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40x
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24 Hours
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0
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70+
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40x
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Instant
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2500+
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30+
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20+
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40x
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24 Hours
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1000+
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65+
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60+
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40x
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24 Hours
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2000+
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25+
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20+
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40x
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Instant
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70+
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20+
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30x
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Instant
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950+
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15+
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12 Hours
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24 Hours
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35x
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48 Hours
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Pink Casino calls itself the 'ultimate lady friendly online casino' and is brought to you by the multi-award-winning casino operator Leo Vegas. Of course, all genders are welcomed and there are a notable variety of jackpot slots for you to enjoy.
The leading online slot sites in the UK offer enticing sign-up bonuses, including free spins, along with regular slots promotions and rewards to enhance your chances of winning.
They also boast an extensive selection of slots, with diverse and engaging themes from innovative software providers, plus the latest releases and biggest jackpots.
When reviewing online slot sites, we always ensure they are licensed & regulated by the UK Gambling Commission to guarantee fair play and security.
While the responsiveness of customer support and variety of payment options are other key considerations in our evaluation of the best UK slot sites.
Our Picks for the Best Online Slot Sites September 2024
While there are hundreds of online slot sites to choose from in the UK, our experts led by Ana Dimitrijevic have handpicked what they consider the best based upon certain criteria:
"My background in software development for online slots has provided me with unique insights into what makes these games both engaging and entertaining. As an avid slots’ player myself, I can also evaluate and appreciate slot games from the player’s perspective, enabling me to understand what captivates fellow slots enthusiasts."
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When it comes to massive jackpots, three online slot sites stand out with their extensive offerings of progressive jackpot pool games.
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Best Slot Sites for Megaways
Megaways is now such a popular online slots format, that we have researched slot sites that offer the biggest variety of Megaways games.
Here are the Gambling.com top three picks for the best Megaways slot sites in the UK.
With almost 150 Megaways slots, you are spoilt for choice at PartyCasino, including favourites such as The Dog House Megaways and Madame Destiny Megaways, which are also part of Pragmatic Play’s ‘Drops & Wins’ promotion, with random prize drops every day.
Key Features: Slots players can spin the ‘Party Prizes MEGA Wheel’ for guaranteed daily rewards, plus regular opt-in slots tournaments and prizes.
#ad. 18+. Gamble Responsibly. Gambleaware.org. New players only. UK & ROI. Deposit minimum £10/maximum£100 to receive a 100% bonus up to £100 (30x wagering, selected games, valid 30 days). Certain deposit types are excluded. Restrictions and T&Cs apply.
Regal Wins is another online slot site to offer UK players around 150 Megaways slots, with classics such as Bonanza Megaways and jackpot Megaways slots, such as Diamond Mine Megaways Jackpot King and Wolf Blaze WowPot Megaways.
Key Features: Daily, weekly and monthly slots promotions, plus earn loyalty points every time you play slot games, which you can redeem for cash bonuses.
#ad. 18+. Gamble Responsibly. Gambleaware.org. New Customers only. Min dep (Excl PayPal) £10 for 20 slots bonus and 100 extra spins. Game restrictions apply. Extra Spin value @10p/spin. Extra spins and Bonus Wagering 30x and Maximum winnings to cash is 4x.18+. Full terms apply.
Once again, Mr Vegas excels when it comes to their sheer number of slots, with over 200 Megaways titles such as Piggy Riches Megaways, plus jackpot Megaways games like Cash ‘N Riches Wowpot Megaways.
Key Features: The widest range of Megaways slots available in one place in the UK, plus regular slots promotions and a fair sign up bonus that gets paid out in 10% increments as you spin the reels.
#ad. 18+. Gamble Responsibly. Gambleaware.org. The Welcome Bonus is only available to newly registered players who make a minimum initial deposit of £10. The welcome offer can be activated only once, when making your first deposit. In order to receive the maximum of £ 200 bonus, you will need to wager an amount equal to 35 times the value of your first initial deposit within 60 calendar days from the date on which the Welcome Bonus option has been activated under the 'My Bonuses' section of your account.. Full Terms Apply.
Best Slot Sites for Promotions & Free Spins
Many UK slot sites offer customers regular online slots promotions and bonus spins to extend your gameplay or reward loyalty.
Here we detail what the slot experts at Gambling.com consider to be the best online slot UK promotions for September 2024:
At Leo Vegas, UK players can get up to 50 free spins on Big Bass Splash (25 spins for your 1st & 2nd deposits) with no wagering requirements. They also offer regular free spins promotions and competitions for online slots players.
Key Features:There is a ‘Weekly Free Spins’ promo at Leo Vegas, with 30 x 10p free spins on Big Bass Bonanza every Thursday, plus another every Monday-Wednesday, with 10 x 20p free spins offered on Book of Dead.
#ad. 18+. Gamble Responsibly. Gambleaware.org. 18+BeGambleAware.org, T&Cs apply. New reg only. Opt in & deposit £10, £50 or £100 within 14 days & further 7 days to wager cash stakes 50x to unlock reward (up to £200 on first deposit). Wagering/game contributions vary. Up to 100 extra spins x10p added to Big Bass Splash after depositing & wagering, 3 day expiry.
Awarded ‘Slot Operator of the Year' in 2021, Mr Q offer slot players 75 free spinson Big Bass Splash, with no wagering requirements, when using our exclusive promo code: SPLASH75. Meanwhile, players of their Pragmatic Play slots such as Sweet Bonanza qualify for the popular ‘Drops & Wins’ promo, with its random daily prize drops.
Key Features:As official sponsors of Watford FC, Mr Q also offers all players 5 free spins on the Wild Swarm slot every time The Hornets win. There is also a ‘Daily Roulette Drop’ promotion which offers free spin prizes to players who have deposited £10 the previous week.
#ad. 18+. Gamble Responsibly. Gambleaware.org. First deposit only. Min deposit & spend £20. Max 100 spins on Big Bass Splash 10p per spin. Spins credited upon spend of £20. 18+ Full T&Cs apply.
Although All British Casino don't offer free spins for signing up, there is a 100% first deposit bonus of up to £100 free and UK slots players also benefit from 10% cashback on lost deposits, paid in real cash with no restrictions.
Key Features: Weekly ‘Marvellous Midweek’ offers, such as bonus spins when reloading, plus they regularly email customers with invites to slots tournaments and challenges with cash prizes.
#ad. 18+. Gamble Responsibly. Gambleaware.org. Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £20 | No max cash out | Wagering is 35x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Cashback is cash with no restrictions | Skrill & Neteller deposits excluded | Cashback applies to deposits where no bonus is included
Types of Online Slots
The earliest online slots in the UK were quite simple, typically featuring five reels with three rows. The very first online video slot to include a bonus round, known as 'Reel ‘em In’, was introduced in 1996.
Fast forward nearly two decades, and today’s players are greeted with a new generation of casino slots, boasting diverse formats and features.
Fruit Machine Slots
Unsurprisingly, these slots draw inspiration from traditional pub fruit machines. They typically feature a retro style and are composed of either three or five reels, with basic graphics and sounds.
Reel King is a prime example of a traditional fruit machine slot game that has made the successful transition from pub kiosks to online slot sites.
While NetEnt’s Gonzo’s Quest and Starburst are considered modern-day classics, purists often classify true classic slots as games like IGT’s Da Vinci Diamonds or Barcrest’s Action Bank.
Megaways slots utilise a dynamic reel system where the number of symbols on each reel changes every spin, resulting in a varying number of win lines.
With up to 117,649 ways to win on a single spin and a cost per spin starting as low as 10p, it's easy to see the appeal of this exciting Megaways mechanic.
Games like Fishin’ Frenzy Megaways and Wild Celebrity Bus Megaways demonstrate how this innovative feature can be integrated into popular online slots.
#ad. 18+. Gamble Responsibly. Gambleaware.org. Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £20 | No max cash out | Wagering is 35x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Cashback is cash with no restrictions | Skrill & Neteller deposits excluded | Cashback applies to deposits where no bonus is included
"Slingo has gained significant popularity, leading to the creation of franchised versions like Tetris Slingo, Britain's Got Talent Slingo and my favourite, Starburst Slingo."
Nowadays, software developers are eager to create highly volatile slots, providing players with the opportunity for larger but less frequent wins.
Hacksaw Gaming, in particular, are renowned for their extremely volatile online slot games, with titles like Wanted Dead or A Wild and Cubes. These online slots offer a truly all-or-nothing experience, emphasising a high-risk, high-reward style of gameplay.
Many seasoned slot players have yet to hit ‘max win’ on one of the highest paying slots.
NetEnt were the first to break the 100k barrier with their Dead or Alive 2 offering a maximum pay-out of 111,111x your stake, later surpassing it with the release of Starburst XXXtreme at 200,000x.
However, Nolimit City's Tombstone RIP now tops the charts with an unprecedented 300,000x max payout, first hit soon after its release in 2022.
Such potential wins are among the reasons why Nolimit City slots have secured a place in the favourite slots lists of many UK players.
Progressive jackpot slots offer the chance for someone to win a substantial fortune, with each bet contributing a small portion to a continually growing jackpot.
There are various progressive jackpot pools that link games from the same software provider and keep increasing until one player lands the jackpot.
Once won, the jackpot returns to a seed value and begins increasing again.
Below, we detail the largest online slot network jackpots currently available, along with the best UK slot sites where you can play them.
*The Jackpot King jackpot total varies between slot sites.
The biggest online progressive jackpot payouts have mostly been won on the WowPot and Mega Moolah series of slot games.
Microgaming launched the safari-themed Mega Moolah progressive jackpot slot back in 2006 to much acclaim. In 2015, it paid out a £13.2 million jackpot to British soldier Jonathan Heywood at Betway from the minimum 25p stake.
Since its release, the game has expanded into a series of titles that all feed into the same jackpot, such as Absolootly Mad, which paid the largest Mega Moolah jackpot of £16.9 million in April 2021.
That huge win came just two weeks after a WowPot jackpot of £15.2 million won by a UK slots player on the Book of Atem online slot at 32Red. Watch:
However, WowPot regained its crown with a world-record online slots jackpot of £33 million, won in late 2023 on the aptly named Wheel of Wishes.
These individual slots can still pay out staggering jackpots, including the €17.9 million won on Mega Fortune by a Finnish player.
UK players have won jackpots of £6.3 million on Hall of Gods at Casumo, £6.2 million on Jackpot Giant at Gala Bingo and £5.1 million on Beach Life at Betfred.
While the big progressive jackpots can take weeks or even months to drop, there are also jackpot slots that are guaranteed to pay out every day.
Sometimes called ‘Daily Drop,’ ‘Must Drop,’ 'Must Go,' or ‘Must Win,’ these progressive daily jackpots ensure a big winner every 24 hours
At some top slots sites such as TalkSPORT BET and PlayOJO, you can watch the countdown of when the daily jackpot ‘must drop’ in their games lobby and play just before the jackpot time limit is up.
Here are some of our favourite daily jackpot slots:
There’s an endless variety of online slot game themes to choose from at the best online casinos, catering to all preferences. Below we've categorised the most popular themes and shared our personal favourites from each.
Animal Slots
The world of animal-themed online slots can transport you to the North American plains, Amazonian jungles, the depths of the ocean, or simply feature your favourite pets.
Our Top Picks:
Big Bass Bonanza
Part of the Big Bass series from Pragmatic Play, this slot offers engaging gameplay with clean artwork. The free spin bonus round features a ladder trail with extra spins and an increasing multiplier for each unlocked level.
The Dog House Megaways
Another great slot from Pragmatic Play and one of the first to feature the Megaways game mechanic. The free spin bonus round presents a choice between Sticky Wilds or Raining Wilds, both with the potential for mega payouts.
Both of these animal slots are available to play in the UK at:bwin Casino& BetMGM
#ad. 18+. Gamble Responsibly. Gambleaware.org. 18+. New depositors & UK residents only. Min dep. £10. 10x wag. on winnings. Spins valid only on Starburst slot & valued at £0.10 each. Spins expire in 7 days. Excludes deposits made via Skrill, Entropay, Paysafecard & Neteller. T&Cs apply.
Movie Slots
Blueprint Gaming and Microgaming lead the way for movie slots and this category could easily include another six or so exceptional games, but we've whittled it down to our three favourites.
Our Top Picks:
The Goonies
"I love the nostalgic feel of this Blueprint slot, based on Spielberg’s 1980’s cult classic film where you can join Mikey, Chunk and the gang as you hunt for One-Eyed Willy’s treasure. Fans will instantly recognise iconic moments like the ‘Hey you guys’ intro from the toothless Sloth and with randomly awarded bonus features during the base game, plus the potential of landing the ‘red’ Super Bonus and No Lose gamble, this ranks among my all-time favourite slots." - Ana
Jurassic Park
Whether or not you're a fan of the Spielberg blockbusters, Microgaming's Jurassic Park slot is a real treat to play. Land three Amber scatters to choose between five exciting bonus rounds and look out for the T-Rex symbol, which triggers Alert Mode, adding 35 wilds to the reels for the next six spins.
TED
Join the lovable yet wholly inappropriate Ted from the 2012 film in a journey of debauchery, full of references to sex, drugs and alcohol. Expect randomly-awarded bonuses and trigger one of six bonus features with three scatters. Our favourite is the Bar Crawl Bonus, while the Ted Big Money Bonus offers the chance for the biggest win in this Blueprint slot.
All three of these movie slots are available to play in the UK at: Betway&PartyCasino
#ad. 18+. Gamble Responsibly. Gambleaware.org. New cust only. Opt in & deposit £10 in 7 days & wager 1x in 7 days on any casino game (excluding live casino & table games) for 100 Extra Spins. Wagering contributions vary. Extra Spins worth 10p each on Big Bass Splash. 3 day expiry. 18+. T&Cs apply.
TV Slots
There are also numerous excellent slots based on popular TV shows, which offer fans an interactive way to immerse themselves in their favourite characters and themes.
Our Top Picks:
Game of Thrones
This Microgaming slot really captures the essence of the legendary HBO series, including its stirring soundtrack and actual clips from the Westeros saga. Unusually, you can choose from four free spin features and even have the opportunity to gamble your winnings.
Rick and Morty Megaways
No other game provider excels at creating adult cartoon-themed slots more than Blueprint; it's truly their forte. The mechanic of this game may seem familiar, but it is more than just a reskinned slot. You get to choose from four fantastic bonus features: Pickle Rick Spins, Federation Wild Spins, Vindicator Spins and Mystery Spins, all with a potential maximum win of 50,000x.
Peaky Blinders
While Pragmatic Play aren't typically known for licensed slots, they've nailed it with the Peaky Blinders slot. With gritty character voice overs and random bonus features like The Shelby Betting Shop and By Order of the Peaky Blinders, this game perfectly recreates the atmosphere of the beloved West Midlands gangster series.
Each of these TV series-inspired slots can be enjoyed in the UK at: Pub Casino & Fun Casino
#ad. 18+. Gamble Responsibly. Gambleaware.org. Welcome bonus for a new players only | Maximum bonus is 100% up to $/€/£ 123 | Min deposit is $/€/£ 10 | No max cash out | Wagering is 50x bonus | Maximum bet while playing with a bonus is $/€/£ 5 | Eligibility is restricted for a suspected abuse | Skrill and Neteller deposits excluded |
Lucky Irish Slots
There’s zero chance we could leave Lucky Irish themed slots off this list. Such is its popularity, for some players there simply are no other types of online slots.
Our Top Picks:
9 Pots of Gold
This slot from Gameburger Studio, which uses the same game engine as their other hit slot ‘9 Masks of Fire’, offers a charming Irish quest, with catchy tunes and vibrant symbols such as rainbows and pots of gold. Trigger the free spins bonus round to receive a 3x multiplier with the possibility of unlimited retriggers, while landing nine scatters wins you the jackpot.
Leprechaun's Luck Cash Collect
"In my opinion, this is one of Playtech's most underrated online slots. Triggering the Cash Collect feature on reel 5 can lead to winning all cash prizes or activating the free spins bonus round. Plus, there are four Cash Collect fixed jackpots available, determined based on a multiplier of your stake." - Ana
You can chance your luck on either of these Irish-themed slots in the UK at: PartyCasino& Mr Vegas
#ad. 18+. Gamble Responsibly. Gambleaware.org. The Welcome Bonus is only available to newly registered players who make a minimum initial deposit of £10. The welcome offer can be activated only once, when making your first deposit. In order to receive the maximum of £ 200 bonus, you will need to wager an amount equal to 35 times the value of your first initial deposit within 60 calendar days from the date on which the Welcome Bonus option has been activated under the 'My Bonuses' section of your account.. Full Terms Apply.
Mythology Slots
There are probably more online slots based around mythology than any other genre - players will never tire of these mythological slots and game providers regularly release new versions.
Our Top Picks:
Gates of Olympus
"Immerse yourself in the realm of the gods with this stylish Pragmatic Play slot, where Zeus oversees your play. I always like it when reel symbols tumble rather than spin, while winning combinations are paid then replaced by new symbols for additional wins. Although four scatters are required to trigger the bonus round, you are rewarded with a generous 15 free spins to start." - Ana
Valley of the Gods
This is one of Yggdrasil’s finest slots and I consider it considerably better than its highly anticipated successor, Valley of the Gods 2. Each win unlocks ‘blockers’ and remains sticky, allowing for some great incremental wins. The clean graphics, smooth animation and eerie sound effects result in a truly immersive slot." - Ana
Both of Ana's expert recommended mythological slots are available to play in the UK at:Betway& PartyCasino
#ad. 18+. Gamble Responsibly. Gambleaware.org. New players only. UK & ROI. Deposit minimum £10/maximum£100 to receive a 100% bonus up to £100 (30x wagering, selected games, valid 30 days). Certain deposit types are excluded. Restrictions and T&Cs apply.
Ancient Egypt Slots
New releases of Ancient Egyptian themed slots often share common characteristics, including expanding reels, the potential to retrigger bonuses and opportunities to gamble each win.
Our Top Picks:
Book of Ra Deluxe
Skillfully remastered by Novomatic, Book of Ra Deluxe continues to entertain players, more than 15 years after its debut in land-based casinos. Recognised as the pioneer of the ‘Expanding Reels’ feature, it was also one of the first online slots to offer the opportunity to retrigger the bonus feature and award extra free spins with additional expanding reel symbols.
Book of Dead
Play’n GO clearly took inspiration from Book of Ra, but they executed it in a flawless manner to create one of the best Ancient Egyptian themed slots to date by introducing Riche Wilde - the charismatic adventurer that went on to launch an entire series of online slots. It is still considered by many to be one of the best slot games on the market.
Legacy of Dead
If Book of Dead from Play’n GO was modelled on the original Book of Ra, then perhaps Legacy of Dead was inspired by Book of Ra Deluxe, featuring the same expanding reels and bonus retriggers. But what sets 'Legacy of Dead' apart are its distinctive themes and advanced graphics, making it another favourite with slot players.
You can play all three of these highly recommended Ancient Egyptian slots in the UK at: Kwiff & BetItOn
#ad. 18+. Gamble Responsibly. Gambleaware.org. Wager £/€20 on slots and Get 40 Cash Extra Spins for five consecutive days.* New customers only. £/€20 stake on slots each day within 5 days of 1st deposit to qualify. £0.1 Spins on Book of Dead. £/€250 total max withdrawal. Full T&Cs apply.
Fruit Slots
The traditional ‘fruit machines’, named for their reel symbols of grapes, plums, oranges, lemons, bananas, melons and cherries, have long been a staple in local pubs. Thus, it's no surprise that online slot developers sought to capture the essence of the pub ‘fruity’.
Our Top Picks:
Sweet Bonanza
With colourful candy bar symbols adorning the reels, Sweet Bonanza stands out as one of Pragmatic Play’s most successful slots to date. Unlike traditional slots, the reel symbols tumble rather than spin, and this ‘Anywhere Pays’ slot offers a win multiplier of up to 100x in the free spins bonus round.
Fruit Party
Another great Pragmatic Play slot, Fruit Party is a ‘Cluster Pays’ game with cascading wins. Unusually for an online slot, the maximum win of 5,000x can be achieved through the base game and not just the bonus round. This is largely thanks to the multipliers that increase with each win, potentially reaching up to 256x.
Fruit Shop
"For me, the original Fruit Shop online slot still ranks higher than its successors Fruit Shop Megaways and Fruit Shop Frenzy, despite it being over 10 years old. The simple, yet charming appeal of clean graphics and an easy to achieve free spins bonus round makes this NetEnt classic a joy to play." - Ana
#ad. 18+. Gamble Responsibly. Gambleaware.org. Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £20 | No max cash out | Wagering is 35x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Cashback is cash with no restrictions | Skrill & Neteller deposits excluded | Cashback applies to deposits where no bonus is included
Pirate Slots
Although not at the top of our favourite themes for the slots team at Gambling.com, there are a few excellently executed pirate themed slots bobbing around the lobby of many online slot sites in the UK.
Our Top Picks:
Dead Man's Trail
A Hollywood style cinematic intro gives you high expectations of this 2021 release from Relax Gaming - and it doesn’t disappoint. Dead Man’s Trail offers a rewarding Coin Feature during the base game along with a Trail Bonus round where you can win up to 50,000x your stake.
Captain Venture
Considered a classic by many seasoned slot players, this Novamatic slot offers a 50/50 gamble feature after each win. It gives you the chance to infinitely retrigger more free spins during the bonus round, complemented by a 4x multiplier.
Whilst those are the most common themes for online slots, UK players have endless options - from Dinosaurs to Dragons, Sci-Fi to Sweets or Vampires to Vikings. No matter your preference, there is almost certainly an online slot themed around it.
A few others that rank among the all-time favourite online slots are:
Starburst
Launched back in 2013, this exquisitely simple slot from NetEnt, is without doubt the most played online slot ever. There isn’t a traditional bonus feature, instead the key to big wins lies in the expanding Starburst wild symbols. These wilds remain sticky while triggering one or two more respins, a unique mechanic that has contributed to its enduring popularity.
Bonanza
Themed around the Yukon trail, Bonanza was responsible for a flurry of similar themed slots - all of which were literally trying to jump on the gold rush bandwagon. Smooth gameplay is accompanied by a chirpy soundtrack and plenty of ‘yee-haws’ when you land a big win on this BTG slot.
Primal Megaways
"Along with The Goonies, I don’t think there is any other slot that can pull me in with such a dramatic intro. While the unlimited free spins bonus round with huge multipliers is exciting enough, the base game alone can deliver some unbelievable payouts, including a ‘Mammoth’ win. Expertly crafted by Blueprint Gaming, this Stone Age-themed slot also boasts a high RTP of 96.76%." - Ana
Sugar Rush
Pragmatic Play built on the success of Sweet Bonanza with this candy and gummy bear-themed slot, featuring an innovative 'Cluster Pays' mechanic. Each win not only clears the screen but also increases the multiplier (up to 128x) and the bonus round awards up to 30 free spins, with unlimited retriggers available. This high-energy game could easily be called ‘Adrenaline Rush’.
Money Cart
Blending Steampunk and Wild West themes, Relax Gaming's hit slot has been so successful that it has spawned two sequels, with all three instalments offering a huge maximum win potential of up to 50,000x your stake. This slot is packed with a huge array of bonus features including Sniper, Collector, Collector-Payer, Necromancer, Shapeshifter, Absorber and Tommy Gun.
All of these top online slots can be played in the UK at:Mr Vegas&MrQ
#ad. 18+. Gamble Responsibly. Gambleaware.org. First deposit only. Min deposit & spend £20. Max 100 spins on Big Bass Splash 10p per spin. Spins credited upon spend of £20. 18+ Full T&Cs apply.
Online Slot Mechanics & Features
Whilst the basic concept of most online slots is the same, many offer a unique mix of game mechanics and features that impact gameplay and potential winnings.
Here our slots experts summarise of the main characteristics of online slot games:
Base Game
When you fire up any online slot, the first thing you’re presented with is the base game which offers the standard reel configuration and symbols for that particular slot.
A quick dip into the information section and you’ll find the paytable which displays the value of each symbol and the payouts for winning combinations. The base game is usually straightforward and you just need to choose your bet size and start spinning.
The bet size, also known as the spin value, allows you to customise your play and tailor wagers to suit your budget. The way it is calculated can vary for different slot games, but typically includes the following elements:
Coin Value: Your coin denomination, often starting from just £0.01
Bet Level: This determines the number of coins you wager per spin
Paylines: Some slots also allow you to choose how many paylines you wish to activate
Most slots require a minimum of three matching symbols to create a win, although some slots pay for matching just two of the highest-value symbols.
Traditionally, winning combinations are formed by matching symbols on adjacent reels, with the default being left to right although innovation has brought us a number of interesting payout structures, including:
Pays Both Ways: Wins paid for combinations from left to right and right to left.
Cluster Pays: Wins occur when enough matching symbols (usually 5-7) form a cluster, regardless of their reel or position.
Anywhere Pays: Similar to Cluster Pays, but the matching symbols can be located in any position, on any reel within the game screen.
Scatters: Also referred to as Bonus symbols, usually landing three scatter symbols (in any position, on any reel) will trigger the bonus game. Some slots offer an enhanced bonus game when landing four or more scatters.
Wilds: These prized reel symbols will substitute for any other symbol (except Scatters or bonus symbols) to form winning combinations.
Bonus Rounds
While the base game creates more frequent and occasional big payouts, it’s the bonus round that unlocks the premium symbols with the largest multipliers for the biggest wins.
The bonus round is usually triggered when three or more Scatter symbols are landed, which then awards free spins along with enhanced features and multipliers, such as:
Expanding Reels: Landing a nominated symbol (in any position, on any reel) will expand that symbol to cover all positions on that reel, creating more chances of a winning combination, for example with Book of Dead at PriveWin.
Retriggers: Landing additional scatter symbols during a bonus round can award additional free spins. Danger High Voltage is a great example of a slot where a retrigger can bring huge wins due to an incremental multiplier.
Jackpot Wheels: Spin the jackpot wheel to see which bonus round you’re awarded. Slots such as Sausage Party and Genie Jackpots - both available at BetMGM - have six or seven different bonus rounds available.
Bonus Gambles: Don’t like the bonus feature awarded? Games such as Extra Chilli and Vikings Unleashed offer you the opportunity to gamble your bonus for a bigger bonus - or lose it all! You can try both of these slots at MrQ.
Upgrade Symbols: Some bonus rounds will eliminate lower paying symbols or upgrade the selected symbol when you land a particular combination. This feature enhances your chances of bigger wins, for example with Fishin’ Frenzy: The Big Catch at Neptune Play.
Ladder/Trail: Collect certain symbols during a bonus round to climb the ladder or progress along the trail for bigger rewards. For a great example of this in action, check out Big Bass Bonanza with 125 free spins at Betway.
Link & Win: A respin feature developed by Microgaming (known as Lock 'n Spin or Hold & Spin on other slots software). You are awarded three spins that reset with each cash symbol that lands, until you run out of spins or there are no more cash bonuses to collect. For example, try out Cairo Link&Win at PartyCasino.
The most popular online slots tournaments in the UK are Drops & Wins, available exclusively on Pragmatic Play slots games.
With a monthly prize pool of £2 million, this promotion offers prize-paying positions on weekly tournament leaderboards, plus random daily prize drops:
£255,000 for weekly leaderboards x 4 weeks = £1,020,000
£35,000in daily prize drops x 7 days a week x 4 weeks = £980,000
Our UK slots team especially like the random daily prize drops which give everyone who plays a chance to win, not just those who make it onto the weekly leaderboard.
#ad. 18+. Gamble Responsibly. Gambleaware.org. New depositing players only. Min. deposit: £20. Max. bonus: £100 + 20 Bonus Spins on Big Bass Bonanza. Offer valid on the first deposit. Winnings won with bonus spins that require a deposit have no wagering requirements. The match-up bonus that requires a deposit must be wagered 40x. T&C's Apply
Top 5 Tips for Playing Online Slots UK
For beginners and seasoned players alike, playing online slots can be an exciting and potentially lucrative pastime. To maximise your enjoyment and improve your chances of winning, here are some key strategies and tips to consider:
1. Understand the Basics: It's good to grasp the basics before you start playing. Understand what paylines, reels and symbols mean. Learn about different types of slots – classic, Megaways, progressive jackpots and more. Also, get familiar with terms like Return to Player (RTP) and Volatility. RTP refers to the percentage of all wagered money a slot machine will pay back to players over time, and Volatility relates to the risk level associated with a particular slot game.
2. Choose the Right Slot: With the vast array of UK slots available, selecting the right one can seem daunting. The key is to find a slot that fits your preferences and playing style. Consider factors like theme, volatility and bonus round options.
3. Utilise Free Spins and Bonuses: Most online slots UK sites offer free spins, bonuses and promotions. These can be a great way to try out a game before risking real money, or to extend your playtime. Always read the terms and conditions associated with any casino bonus, as there can be wagering requirements or other restrictions.
4. Manage your Bankroll: Responsible gaming involves setting a budget for your online slot play and sticking to it. Never wager more than you can afford to lose and consider setting a time limit for your play sessions to prevent getting carried away.
5. Keep it Fun: While we all enjoy daydreaming of spinning a huge payout, I personally rate a slot according to its theme, game mechanics, artwork and the quality of the sound effects - elements that truly enrich the experience of playing slots online. Remember, the primary goal of playing slots is entertainment. Keeping this perspective can help make your online gaming experience more enjoyable.
UK Slots Regulations
Recent changes to UK slot regulations were introduced by the UK Gambling Commission (UKGC) to promote responsible gambling among online slot players.
They included the elimination of features that could speed up play or give the illusion of control over the outcome.
Quick Spin and Auto-Play features are no longer permitted, aimed at ensuring slots players stayed engaged and mindful of their spending on each spin.
The UKGC also now prohibits Bonus Buy-ins or Feature Buys for UK slots players. These options allowed players to purchase immediate access to a game's bonus features, potentially encouraging excessive spending.
The goal behind eliminating these features is to reduce the risk of slots players losing money quickly and impulsively. When playing online slots, UK players are encouraged to do so responsibly and within their means.
Best Online Slot Sites UK – Our Verdict
The world of UK online slots offers an endless array of choices. You’ll discover games with captivating themes, innovative features and diverse formats, plus massive jackpots and fun variations like Slingo.
All the UK slot sites Ana and the team at Gambling.com have recommended on this page provide players a broad selection of real-money slots within a safe and secure environment.
Based on extensive research and player feedback, we have highlighted not only what we consider to be the best slot sites, but also the best online slots games available today.
But don’t just take our word for it. There are a huge variety of UK online slots bonuses and promotions that enable you to trial different online slots and find your own favourites.
As you embark on this exciting journey, it is crucial to always play slots responsibly. Set sensible limits for yourself and always gamble within your means. Your safety and well-being are paramount as you explore the best of what online slots in the UK have to offer.
Yes, you can win real money on UK online slots at UKGC-licensed sites listed on the page. These slot casinos use random number generators, providing fair and regulated gameplay, enabling players to potentially win real money through various slot games.
Which slot casino has the best payouts?
For the best payouts, Mr Vegas and PartyCasino stand out among the top slots UK sites. They're known for high RTP slots, enhancing players' chances of winning.
Where can I find the best online slots UK?
The best UK slots are found on the top slot casinos, as listed on the page. These sites provide an extensive selection of slots from renowned software developers, ensuring high-quality graphics, engaging gameplay, and a wide variety of themes and features.
Can I play all online slots UK on mobile?
Yes, all online slots at the UK slot sites recommended on this page are accessible on mobile. Each of these slots sites offers either a dedicated mobile app or a mobile-optimised version of their website, ensuring seamless gameplay on various devices.
What types of online slot games can I find at UK slots sites?
You can discover a wide variety of slot games at all the best online slots UK sites. These include classic slots, video slots, progressive jackpots and themed slots, catering to a wide range of interests and gaming preferences. You will also find slot tournaments if you prefer a more competitive edge.
How do I know if a slot site is safe and legitimate?
A slot site's safety and legitimacy are best determined by its UKGC licence, as with all the top slots sites recommended on the page. This licensing is a hallmark of stringent regulatory standards, ensuring player safety, fair play and the integrity of the gaming experience.
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