Best Slot Games
Last Updated: 19 Sep 2023
Best Online Slot Games in the UK
We review the best slots to play in the UK, emphasizing games that offer genuine chances to win real money. Online slot games are the most popular casino games with players, and with all the variety out there, this comes as no surprise. Because of this, players can find thousands of slot games at countless online casinos, and not all of them are of the highest quality. However, if you’re looking to play the best slot games at the best slot sites in the UK, then you’ve come to the right place.
All the online slots UK games we’ve chosen offer hours of fun with stunning graphics, jackpots, high payouts, and features such as the Megaways mechanics. All the top slot sites we recommend have a huge games library, generous welcome bonuses, fast withdrawal times and are safe and secure to play at.
Best Online Slot Casinos Available
- Our Top Pick1
Established 2023#ad. 18+. Gamble Responsibly. Begambleaware.org. #AD New customers only, min deposit £10, wagering 40x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Full T&C’s apply. +18, Please Gamble responsible. BeGambleAware.org - Full Terms ApplySleek & Original Pub ThemeDual Casino & Sportsbook PlatformTournament Leaderboards & Prizesnot requiredBonus Code
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Established 2019#ad. 18+. Gamble Responsibly. Begambleaware.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. 18+.Full Terms Apply. Gamble responsibly.www.begambleaware.orgExtensive Library of Slots & Jackpot Slot GamesWeekly 'Rainbow Friday' CashbackEarn Spins on 'The Wheel of Vegas'not requiredBonus Code
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The total number of online slot games available3121Jackpot Slots
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Established 1997#ad. 18+. Gamble Responsibly. Begambleaware.org. 18+. New depositors only. UK residents only. Minimum deposit £10. Once the offer is claimed, players will receive 50 Extra Spins (value £0.10 each, selected games, valid 7 days) and will have 30 days to release a bonus equivalent to the initial deposit up to £100 (35x wagering, selected games, valid 30 days) Certain deposit types are excluded. T&Cs apply.Awarded ‘Casino of the Year’ 2017 & 2018Win Prizes in Daily Online Slots TournamentsOfficial Partner of F1 McLaren Racing Teamnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings35xPayout Time
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Established 2012#ad. 18+. Gamble Responsibly. Begambleaware.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 - Full Terms ApplyDaily 10% Cashback of Losses for UK Customers'Marvellous Midweek' - Weekly PromotionsRegular Casino Tournaments & Challengesnot requiredBonus Code
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The number of different slot game software providers44BetMGM is the new UK online casino of one of the most recognisable casino resort brands in the world, which includes famous casinos such as The Bellagio, ARIA, The Cosmopolitan of Las Vegas and MGM Grand.
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Established 2019#ad. 18+. Gamble Responsibly. Begambleaware.org. 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 - Full Terms ApplyUnlimited 10% Cashback SchemeMonthly Live Casino & Slots TournamentsWeekly 'Fun Friday' Promotionsnot requiredBonus Code
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Established 2014#ad. 18+. Gamble Responsibly. Begambleaware.org. Available only on Big Bass Bonanza game. Min. Deposit £10. Offer valid for 24 hrs. No wagering required. See full terms here. Min. Deposit: £10 Max. Bonus: 20 Bonus Spins. Offer valid on first deposit. Offer only applies to new players.Wide Selection of Live Casino GamesRegular Free Spins & Slots TournamentsQuick & Simple 2-Step Sign-Up Processnot requiredBonus Code
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The number of different slot game software providers20Magic Red Casino offers the standard mix of traditional casino games and slots, but it's their Live Casino that really shines through for us, with many different live dealer blackjack, baccarat and roulette variations, plus Texas Hold 'Em and Three Card Poker.
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Established 2019#ad. 18+. Gamble Responsibly. Begambleaware.org. | 1st deposit only | min deposit £10 | max bonus £100 | X40 wagering | bonusspins valid for selected games only | X40 wagering on bonus spins winnings | expires within 24 hours | user agreement & bonus T&C's apply.Earn Bonus Spins DailyWeekly Cashback Bonus6-Tier VIP LevelWINO100Bonus Code
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The total number of online slot games available840Jackpot Slots
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The number of different slot game software providers9Winomania Casino is operated by Anakatech Interactive Limited and gives UK players a smooth gaming experience. Players can get free spins by making a first deposit and by depositing daily too.
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Established 2018#ad. 18+. Gamble Responsibly. Begambleaware.org. First deposit only. Min deposit & spend £20. Max 75 spins on Big Bass Splash at 10p per spin. Spins credited upon spend of £20. Full T&Cs apply.'Slots Operator of the Year' 2021Sponsors of ITV's Celebrity Juice ShowAll Promotions 100% Wagering FreeSPLASH75Bonus Code
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Established 2006#ad. 18+. Gamble Responsibly. Begambleaware.org. 125 extra spins on Big Bass Bonanza (£0.10 per spin) credited after successful £10 deposit and £10 stake on Casino, Vegas or Live Casino. No wagering requirements on extra spin winnings. Debit Card deposit only (exclusions apply). This offer is valid 7 days from the new account being registered. 18+ BeGambleAware.org. Bet the Responsible Way Full Terms ApplyUnique Flexi Bonuses - Cash Out Any TimeGlobal Casino Ambassador Nargis FakhriPlay New 'Vinnie Jones Roulette'not requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings50xPayout Time
The usual withdrawal processing time24hOnline Slots
The total number of online slot games available1000Jackpot Slots
The number of jackpot slot games available31Slot Providers
The number of different slot game software providers26Betway has long been considered a first-class UK casino and sportsbook. In 2012, a British Army soldier won a record £13.2 million on the Mega Moolah slot at Betway Casino - just 25 minutes after signing up.
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Established 2011#ad. 18+. Gamble Responsibly. Begambleaware.org. Minimum 1st dep of £10 to get £100% up to £250 on selected match slots & 100 Extra Spins (FS) on Blueprint slots at 0.20P. Deposit Bonus Playable on selected Slots. 40x wagering requirement (Dep + Bonus) & MCR x5 for Bonus. FS and FS winnings are playable on Blueprint slots only, FS: 50xWR & Max win £50. 18+. Full T&C apply.Part of the Prestigious Rank GroupSpin & Win Loyalty PointsRegular Seasonal Promotions & Bonusesnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings40xPayout Time
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The total number of online slot games available900Jackpot Slots
The number of jackpot slot games available183Slot Providers
The number of different slot game software providers10Spin & Win Casino has a minimalistic and clean games lobby with an extensive range of slots games (including Megaways), plus traditional table games and a Live Casino.
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Established 2017#ad. 18+. Gamble Responsibly. Begambleaware.org. 1st dep. of £20-£300, max bonus £300 on selected slots; 50x wagering on the sum of deposit & bonus applies. Max convertible 5x bonus amount received. Use code: GDOTCOM when depositing in the cashier. Extra Spins: 3 Batches of 10 FS Daily. Winnings capped at £10 per batch. T&C's Apply. 18+ - Full Terms ApplyFaster Withdrawals - 80% Within 10 Minutes'Must Drop' Daily Jackpot Slot GamesEarn As You Play Loyalty PointsGDOTCOMBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings50xPayout Time
The usual withdrawal processing time1-5 DaysOnline Slots
The total number of online slot games available1094Jackpot Slots
The number of jackpot slot games available24Slot Providers
The number of different slot game software providers75Regal Wins Casino is a simple but stylish online casino that promises you'll get 'the royal treatment'. Their 'Faster Withdrawal' process means that you can get any winnings back in your bank account within 10 minutes.
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Established 2023#ad. 18+. Gamble Responsibly. Begambleaware.org. 18+. New players only. Min deposit £20. Max bonus 100% up to £25 on 1st deposit. 50 spins on specific game only on 2nd deposit. 35x wagering applies, within 21 days. Max wins from spins £100. Spins expire after 24 hours. Full T&Cs apply.Regular Free Spin FrenzyMonthly PrizesPoints Exchanged for Bonus Moneynot requiredBonus Code
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The total number of online slot games available1600Jackpot Slots
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The number of different slot game software providers21Red Casino is powered by Jupiter Gaming and offers players daily free spins when completing spin frenzy challenges. Players can choose from a vast number of Live Casino Games.
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Established 2014#ad. 18+. Gamble Responsibly. Begambleaware.org. #ad. 18+. Gamble Responsibly. Begambleaware.org. First Deposit Only. Min. deposit: £20, max. Bonus £50. Game: Pilgrim of dead, Spin Value: £0.1. WR of 30x Deposit + Bonus amount and 60x Extra Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the extra spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. Bonuses do not prevent withdrawing deposit balance. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. This offer is only available for specific players that have been selected by Winlandia. If you have arrived on this page not via the designated offer of Winlandia you will not be eligible for the offer. Bonus Policy applies.Newest Casino in the UKExclusive welcome bonusExclusive slots and game releasesnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings30xPayout Time
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The number of different slot game software providers40
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Established 1998#ad. 18+. Gamble Responsibly. Begambleaware.org. You must opt in (on registration form) & deposit £20+ to qualify. Offer valid 7 days from registration. Debit card deposits only. Welcome Bonus: 100% match bonus up to £100 on 1st deposit. 50x wagering applies (as do weighting requirements). Extra Spins: Awarded on Gold Blitz once you have staked £20 on any Games Global game. Spin value = 10p. No wagering requirements on extra spin winnings. Full Terms Apply
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Established 2015#ad. 18+. Gamble Responsibly. Begambleaware.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.Innovative Mobile First Casino & SportsbookMulti-Game Casino TournamentsSupercharged Roulette (x2 or x5 Payouts)not requiredBonus Code
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The usual withdrawal processing time3-5 DaysOnline Slots
The total number of online slot games available487Jackpot Slots
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The number of different slot game software providers6Kwiff started life as an 'industry disruptive' sports betting app, but has now expanded into casino and boasts a wide range of slots, scratchcards, table games and kwiff themed live roulette & blackjack tables.
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Established 2012#ad. 18+. Gamble Responsibly. Begambleaware.org. 18+ begambleaware.org, T&Cs apply. New reg only. Opt in & deposit £10, £25 or £50 within 7 days & further 7 days to wager cash stakes 35x to unlock reward (£50 on 2 deposits). 3 day exp. Wagering/game contributions vary. 25 wager-extra spins x10p to added to Big Bass Splash with each qualifying deposit, 3 day expiry.'Online Casino of the Year' 2018-2023'Mobile Operator of the Year' 2023Exclusive 'LeoJackpot' Online Slot Gamesnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings35xPayout Time
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The total number of online slot games available2028Jackpot Slots
The number of jackpot slot games available92Slot Providers
The number of different slot game software providers58Leo Vegas Online Casino has won multiple industry awards for casino sites, including 'Online Casino of the Year' at the Global Gaming Awards six years in a row.
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Established 2021#ad. 18+. Gamble Responsibly. Begambleaware.org. New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 Days from receipt/ extra spins valid for 7 days from issue. Max conversion: 3x the bonus amount or from extra spins: £20.Withdrawal requests voids all active pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply
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Established 2020#ad. 18+. Gamble Responsibly. Begambleaware.org. New Players only. 1st, 2nd and 3rd ever deposit: spin multiplier wheel and win a Matchup Bonus up to 10X your deposit amount (£2,000 max bonus), £10 min fund for all 3 offers, 65x Bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250) full T&Cs apply - Full Terms ApplyOnline Casino of the Daily Star NewspaperUnlock Trophies with Entertaining TasksEach New Level Unlocks a Mega Reel Spinnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings65xPayout Time
The usual withdrawal processing time3-5 DaysOnline Slots
The total number of online slot games available1000Jackpot Slots
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The number of different slot game software providers50Star Wins is the online casino site of the Daily Star newspaper and offers players regular promotions, including Amazon and Just Eat voucher giveaways, along with free spin promos.
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Established 2021#ad. 18+. Gamble Responsibly. Begambleaware.org. New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. Extra Spins: on Double Bubble. Spins value: 20p each. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. 18+. **£10 lifetime deposit required. 18+.Full Terms Apply. #Ad, Gamble responsibly.www.begambleaware.orgColourful & Fun Bingo/Casino Site'Bubble Pots' Progressive JackpotsWin up to £750 with Daily Free Gamesnot requiredBonus Code
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The usual withdrawal processing time24 HoursOnline Slots
The total number of online slot games available520Jackpot Slots
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The number of different slot game software providers16Double Bubble Casino offers plenty of regular promotions including play for free games - with the chance to win free spins and cash prizes.
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Established 2019#ad. 18+. Gamble Responsibly. Begambleaware.org. 18+ Bonus only available to new Players at PeachyGames. One welcome bonus per Player. Minimum first deposit of £10 required to participate. Maximum promotion amount per Player is £50 Bonus and 20 Bonus Spins. The welcome offer is not available on pre-paid card or e-wallet (Neteller and Skrill) deposits. Further T&C's ApplyWeekly Slots Tournaments & Daily Prize DropsCollect Peachy Points to Claim Free SpinsLive Chat Support (9am until midnight)not requiredBonus Code
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The usual withdrawal processing time1-3 DaysOnline Slots
The total number of online slot games available357Jackpot Slots
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The number of different slot game software providers23Peachy Games is a slots first online casino with a broad range of Jackpot slot games, plus scratch cards, bingo games and a live casino to offer players a 'sweet time'.
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Established 2017#ad. 18+. Gamble Responsibly. Begambleaware.org. 18+. New players only. Min deposit £20. Max bonus 100% up to £66 on 1st deposit. 66 spins on Big Bass Bonanza on 2nd deposit. 35x wagering applies, within 21 days. Max wins from spins £100. Spins expire after 24 hours. Full T&Cs ApplyFiery Devil Themed UK CasinoRegular Casino Tournament PrizepoolsOver 100 Live Dealer Tablesnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings35xPayout Time
The usual withdrawal processing time2-5 DaysOnline Slots
The total number of online slot games available1775Jackpot Slots
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The number of different slot game software providers31666 Casino offers to 'relight your fire' with their devilish casino site, one of many themed casinos on the Aspire Global International platform which has over 100 live dealer blackjack and roulette tables.
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Established 2020#ad. 18+. Gamble Responsibly. Begambleaware.org. New customers only. Min deposit £10 max bonus amount £80. Wagering bonus 35x. Neteller and Skrill deposits not eligible. T&Cs apply'Rising Star Operator of the Year' 2021Seven-Tier Betiton Loyalty ProgramBrand Ambassador Djibril Cissénot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings35xPayout Time
The usual withdrawal processing time1-3 DaysOnline Slots
The total number of online slot games available700Jackpot Slots
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The number of different slot game software providers23At Betiton Casino you earn reward points as you play that can be converted into bonuses as you climb their 'loyalty ladder'. They boast ex-Liverpool striker and Champions League winner Djibril Cissé as their brand ambassador.
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Established 2017#ad. 18+. Gamble Responsibly. Begambleaware.org. New Players Only. Wager from real balance first. 50X wager the bonus. Contribution varies per game. Selected games only. Wager calculated on bonus bets only. Bonus valid 30 days / Extra spins valid 7 days from receipt. Max conversion: 3x the bonus amount or from extra spins: £20. Withdrawal requests voids all active/pending bonuses. Excluded Skrill and Neteller deposits. Full Terms apply
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Established 2002#ad. 18+. Gamble Responsibly. Begambleaware.org. New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Extra Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. 18+.Full Terms Apply. #Ad, Gamble responsibly.www.begambleaware.orgAwarded 'Operator of the Year' 2020Brand Ambassador Paddy McGuinness'Joy Points' Reward Schemenot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings1xPayout Time
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The total number of online slot games available1400Jackpot Slots
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The number of different slot game software providers84Jackpotjoy is part of the Gamesys Group which has various gaming brands including Virgin Games and Rainbow Riches Casino. The Jackpotjoy TV ads featuring comedian Paddy McGuinness will be familiar to many.
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Established 2021#ad. 18+. Gamble Responsibly. Begambleaware.org. Welcome Bonus: 18+. Terms and Conditions Apply. New Players Only. Minimum deposit: £10. Wagering requirement: 35x. Gamble responsibly.www.begambleaware.orgDual Casino & Sportsbook PlatformRegular Casino Tournament PrizepoolsLive Casino with Over 100 Tablesnot requiredBonus Code
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Established 2016#ad. 18+. Gamble Responsibly. Begambleaware.org. New players only, £10 min fund, max bonus conversion equal to lifetime deposits (up to £250) to real funds, 65x wagering requirements and Full Terms & Conditions Apply - Full Terms ApplyVibrant 'Disco Fever' ThemeEarn Trophies & Get Free Spins of the Mega ReelMonthly Prize Draw Giveawaysnot requiredBonus Code
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The usual withdrawal processing time2-5 Working DaysOnline Slots
The total number of online slot games available1258Jackpot Slots
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The number of different slot game software providers51Fever Slots is a colourful casino that helps players 'turn up the heat' with their multiple ongoing promotions and prize draws. Complete tasks as you play to earn trophies and win free spins on the ‘Mega Reel’.
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Established 2019#ad. 18+. Gamble Responsibly. Begambleaware.org. 18+. New Players Only. Min. deposit £20. UK players. Max. bonus 1st deposit £50 and 2nd deposit £100. Max wins from spins £100. 35x wagering applies, within 21 days. 20 spins on 1st deposit and 30 spins on 2nd deposit. Spins expire after 24 hours. Full T&Cs apply.Regal Themed Casino SiteMonthly Slots Tournaments & Daily Prize Drops'Wager Free Wednesday' Free Spinsnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings35xPayout Time
The usual withdrawal processing time1-4 DaysOnline Slots
The total number of online slot games available1035Jackpot Slots
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The number of different slot game software providers42King Casino is one of various UK casino sites on the Aspire Global casino platform, which means regular slots promotions and the widest selection of live casino tables for all stake levels.
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Established 2017#ad. 18+. Gamble Responsibly. Begambleaware.org. Terms and Conditions apply. New players only. 18+. Min Deposit £10. Welcome package splits over 3 deposits, 35x wagering requirement applies to match up bonus. Offer valid for 1 week. 100 spins split to 20 spins per day for 5 days. 50x wagering applies to spins.Distinguishing ‘Moustache’ BrandingDual Casino & Sportsbook PlatformRegular Promotions & Tournamentsnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings35xPayout Time
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The total number of online slot games available956Jackpot Slots
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The number of different slot game software providers54Mr.Play Casino has a fun style of its very own, with a memorable handlebar 'tache wherever you look. But it’s not just for well-groomed gentlemen and boasts a good variety of slots and scratchcards.
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Established 2017#ad. 18+. Gamble Responsibly. Begambleaware.org. New players only, £10 min fund, extra spins won via mega reel, max bonus conversion to real funds equal to lifetime deposits (up to £250), 65x wagering requirements and full T&Cs apply - Full Terms ApplyCash Drop - win Real Cash Prizes every day8 Unique Promotions Every MonthOver 1000 Slots games and 8 Unique Bingo Rooms to choose fromnot requiredBonus Code
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The number of times you have to play through your bonus before you are able to withdraw any winnings65xPayout Time
The usual withdrawal processing time2-5 DaysOnline Slots
The total number of online slot games available234Jackpot Slots
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10 Best Slot Games - Gambling.com Review
Welcome to our list of the top 10 best slot games to play in the UK. We list features the best slot games to win real money in the UK. Slots are one of the most played games at online casinos, and they keep evolving all the time. Gone are the days of simple, basic, 3, white reels and in their place, we have thrilling games with fun themes, buzzing music, flashing lights and huge payouts.
The gameplay has also been modernized with spins and bonus rounds becoming more interactive, involving the player like never before. Read on to find top 10 best online slots games according to our slot expert, and why you should check them out now!
1. Double Bubble
Double Bubble is a classic game with traditional symbols and simple graphics, but it is certainly not a game to scoff at or take for granted. There are no free spins, but there is a hefty jackpot. Land 5 Double Bubble logos and this will give you 20,000x your bet!
You could also win 500x your stake if you land 5 gold bells, super sevens, pink single BAR, blue double BAR or green double BAR. That is not all - there are also 2 bonus games - Bubble Pop Bonus and Bubble Line Bonus. Both games will give you an opportunity to win multiplier rewards.
If you want to play a straightforward game without any distractions while still giving you the chance to experience multiple wins, then the Double Bubble slot is the game for you. This is a medium volatility slot with a good RTP of 96.02%. Get to popping some bubbles at our recommended slot sites today.
2. Starburst
No best slot games list would be complete without Starburst. It has been over a decade since NetEnt released this classic game, yet it has consistently remained the most popular online slot.
With its simple design and rewarding payouts, it is no wonder that Starburst is such a hit with both new and experienced players. Like the gift that keeps on giving, Starburst is a low volatile slot, meaning that you get more frequent wins. Nevertheless, you can still win up to an astonishing 50,000x your bet. Just in case that wasn’t enough to cement Starburst in our #2 spot, the slot also has a Win Both Ways feature and a Starburst Wild symbol to help you grab even bigger wins.
Reach for the stars and play Starburst at any of the best online casino UK sites with the best slot games today!
3. Book of Dead
The prequel to the Legacy of Dead slot, Book of Dead by Play’n GO, takes you to ancient Egypt and offers many ways to boost your chances of finding treasure. Although it’s been a few years since it has come out, this slot has stood the test of time, and with good reason. When the book symbol lands in a minimum of 3 places is when the free games start. A symbol is selected at random and this will expand across any reel it lands on, meaning you receive a payout on any win. The symbol expansion takes place afterwards, getting you even more wins if new combinations are created.
Excitingly, Play’n GO also included a Gamble option, giving you the opportunity to double your win if you correctly guess the colour of a face-down playing card, or if you’re feeling particularly daring, to quadruple your win by picking the correct suit. Read our expert’s full review of Book of Dead to find out more about what makes this game one of the best slots from Play’n GO.
4. Big Bass Bonanza
Big Bass Bonanza by Pragmatic Play just had to be in our top three due to its retro style, innovative features, and its wide range of stakes making it accessible to everyone!
Although the base games are pretty simple, the slot really comes to life in the free spins round. Landing 3, 4 or 5 scatter symbols can get you up to 20 free spins. If 4 fishermen appear during this round, you can get a further 10 free spins. There's also a Money Collect symbol (the bass), and all the fish you collect in this time will pay double. Land 4 more fishermen, and the fish will triple in value!
Big Bass Bonanza is a highly volatile slot but with high risks come great rewards. The maximum win at the highest stake comes out at more than half a million and the average RTP percentage is a great 96.71%.
5. Rainbow Riches
Playing Rainbow Riches, no one would ever know that Barcrest released this game 14 years ago. This is partly due to the stunning visuals, but also due to the great number of features this slot offers.
If you find yourself on the Road to Riches, a leprechaun will spin a wheel and you move along the road, collecting win multipliers as you go along. Landing three wishing wells will trigger a different game where you can win 500x your stake if you choose the correct well.
The Rainbow Riches Pots of Gold is yet another separate game within the slot. You will see a leprechaun surrounded by 12 pots of gold, silver and bronze. They each carry a different value and will spin around the leprechaun until one stops next to a pointer. Just like in the Wishing Well game, you can win a maximum of 500x your stake in this round.
We've gone ahead and chosen the best online casino where you can play this game. You'll even get 30 free spins on the game after your first deposit, so what are you waiting for?
6. Big Bass Splash
Pragmatic Play and partner Reel Kingdom's Big Bass Splash has been a huge hit with online slot players. With bright and colourful graphics, 5 reels, 10 paylines, and lots of fishing-themed symbols on the grid, it is no wonder why.
Players will be greeted by bold playing card symbols, a tackle box, rod & reel, a monster truck wading through the water, and even some grinning fishermen in the bonus rounds. The whole game sits within shallow waters, where animated bubbles mark out the reels, and seaweed waves in the background.
Although Big Bass Splash has an excellent RTP 96.71%, you have to watch out as this game has a rather high volatility, so you could see several dead spins between wins. However, with great risks come even greater rewards. Big Bass Splash allows you to hit a maximum of 5,000x and due to the 250.000 stake, players can collect up to 1,250,000.00 before the feature ends.
Dip your toes from just 0.10 per spin when you play this fun, colourful game at our approved online casinos.
7. Fishin’ Frenzy Big Catch Jackpot King
Deep dive into Blueprint Gaming’s Fishin’ Frenzy Big Catch Jackpot King online slot, which is compatible on both your mobile and desktop using HTML5 technology.
This fishing themed, 5 reel, 10 paylines online slot game is a big hit with players, and for a good reason. With a medium volatility rate, players can enjoy this underwater slot machine game from only a 0.10p stake, going all the way up to 100 if you're feeling a bit more daring.
Blueprint Gaming did not cut any corners when it came to their featured symbols. These include low-paying and high paying symbols such as a seagull, fishing rod and a box of bait. Land three matching symbols and you’re in to form a winning combination. When players collect enough fisherman symbols, the game's ‘big catch’ is activated. Every fish that you land on the reels gives you a reward of 50x your stake!
8. Secrets of the Phoenix
Gamesys has hit it out of the park with their Secrets of the Phoenix online slot game. With 5 reels and 25 paylines, players can play this Aztec-inspired slot game for only £0.25 per spin and all the way up to £200. With an RTP of 94.97%, with a medium volatility, players can walk away with up to 500x their stake, with even bigger payouts from the bonus features.
Land a winning combination by landing 3 or more matching symbols on a payline, from left to right. Speaking of symbols, Secrets of the Phoenix have really outdone themselves in that regard. Their low-paying symbols look as though they have just been taken straight from an ancient temple, with their high-paying symbols being that of a dragon, tiger or eagle.
Venture into the south of America and play The Secrets Of the Phoenix at the best online casinos today.
9. Monopoly Paradise Mansion
Gamesys steal another spot on our top 10 slot list with Monopoly Paradise Mansion. Released in 2015, this legendary board game-inspired slot game has a RTP of 96.29% with a medium volatility and is mobile friendly so you can join in on the fun from anywhere.
Players can play this 5 reel, 20 paylines online slot from as little as £0.20 up to £40 per spin so this game is sure to fit a lot of players' budgets. Players can also walk away with up to 10,000x their stake at the Monopoly Paradise Mansion.
Although Monopoly Paradise Mansion does not have a progressive jackpot, with bonus games, multipliers and free spins, you can be sure you will be getting your money’s worth with this online slot game.
Take a walk down memory lane and play Monopoly Paradise Mansion video slot at the best online casinos today.
10. Fishin' Frenzy Megaways
Rounding off our list at #10 is another game from the Fishin' Frenzy series. For this slot, Blueprint Gaming has added the Megaways mechanics, bringing the ways to win up to 15,625.
The setting of Fishin' Frenzy Megaways is similar to the other slots in the series but you will still find some new twists. A smiling fisherman acts as a wild symbol and can act as any other symbol bar the sailing boat. If the boat lands in 3, 4, 5 or 6 spots, you will be awarded up to 25 free spins. In the bonus round, the fisherman can help you catch some pretty big wins when he catches some fish. The fish comes in 7 different sizes and each size carries a money value that ranges from 2x to 50x your bet. It is also possible to multiply your wins if more than one fisherman appear at the same time.
Enjoy fishing for prizes today at the recommended casino below!
Recommended Slot Games
Playing Slots Online
Brick-and-mortar casinos just wouldn't be the same without the electric buzzing and beeping of slot machines. Winners jump for joy as their winning coins rattle against the payout tin and the whole thing has a certain old-school charm about it. But whether you are young or old, playing slot games brings fun, excitement and of course chances to win great prizes regardless of your age and gender.
Thanks to the best online slots, you can now spin the reels at any time and from anywhere. There is no longer the need to book a trip and wait for your next holiday to go and spin the reels at a land-based casino. The best casino slots in the world are now available on your computer or mobile device. So you can play from your couch in the evening, from the office during a lunch break, and even on the train on your way home.
If are an experienced slots player that is familiar with the gameplay and settings, you will find in our Gambling.com guide insights that will take your slot experience to a whole new level. If you are new to slots, our guide will teach you everything you need to know in order to jump into the exciting world of online slot games.
Start today with online slots and play on the device of your choice. You just need to sign up with an online casino and verify your account, and thousands of the world’s greatest slot games will be ready and waiting for you 24/7 no matter where you are. Online slots are simple, convenient, mobile friendly, and give you the chance to win real money. No wonder online slot games are increasing in popularity with players of all ages and experience levels across the UK.
How We Review The Best Slots Games
Our slot experts at Gambling.com review new slot games every week. They have years of experience having played the best online slot games in the UK. Although every slot provides an entirely different gameplay experience, we put each game through a rigorous review process that allows us to bring you objective conclusions. We also add to our reviews the subjective opinions of our experts and their likes and dislikes of each casino slot. Here are a few areas we look into when writing our reviews.
Most Common Types of Online Slot Games
Slot games have come a long way from the early day fruit machines. The move from slot machine cabinets sitting on a land-based casino floor, to online slots on a website or app continues to push change and innovation. Beyond the benefit of playing anywhere and at any time, now players can also enjoy many different online casino slot options. For example:
- Video slots.
- 3D slots.
- Progressive slots.
- 243-payline slots.
- Slots designed to mirror popular video games.
- Slots based on popular TV shows and movies.
- Virtual reality slots.
Online video slots allow for a diverse range of gameplay. From games that imitate classic slots, to more hi-tech video slots that offer an immersive experience. Players can now enjoy titles that boast 3D graphics, state-of-the-art animation and cinematic sounds. Whereas classic slots often feature recognisable symbols from fruit machines, video slots mostly create their own symbols and icons based on a game theme and storyline.
Classic slots are more traditional and usually offer 3 or 5 reels and follow the popular 25-playline structure with some variations. Video slots tend to come with 5, 7 and sometimes 9 reels. They offer multiple paylines, bonus rounds, and players can enjoy 243, and in newer slots even 1024 ways to win. Many video slot developers license the rights to use of characters from hit movies, popular TV shows, and even comic books. There are also many slots with epic themes and storylines, for example the Age of Gods game series brought by leading software developer Playtech. Another major slots game supplier is Swedish developer NetEnt that produced some of the most popular slot titles in the industry.
Most casino slots are played individually where the prizes depend solely on the player’s bets and spins. A progressive slot is different, featuring a jackpot that grows with every bet that any player makes on that slot. Although the odds of winning a jackpot are slim, the payouts are epic and can get to millions of pounds.
Another innovative type of slot that is taking the UK by storm is the Megaways slot. Different from traditional slot games that have a fixed number of reels and paylines, Megaways slots have a random reel modifier that changes the number of symbols and the layout with every spin – providing hundreds of thousands of possible ways to win.
How Slot Games Work Online
Understanding the features, game mechanics and logic of online slot machines will help you create your own slot strategy and better prepare for success when spinning those digital reels. Read our Gambling.com guide further to better understand the ins and outs of online slot machines, and for a hands-on learning experience check free slots reviews and try them out.
Understanding Slot Reels
The virtual "reels" of online slot games are generated by the software program that randomly delivers the symbols with each spin. The symbols of online slots can appear in any random order.
Online Slots UK RNG
Similar to land-based casinos, online slot machines have a Random Number Generator (RNG) which as the name suggests, makes sure that the symbols on the reels land in random positions with every spin. All the online casinos we recommend on Gambling.com are licensed by the UK Gambling Commission (UKGC), which requires the RNG to be certified and tested regularly. So you can be sure that no casino slot we feature on our site is rigged and the symbols always land in a random order.
What are Paylines?
Being one of the core elements of any slot machine, paylines mark the all the possible winning symbol combinations. The number of paylines on a casino slot will determine how many ways you can win while spinning the reels. You can choose how many lines you wish to play and in which combinations, as well as decide how much money to bet on each line. For example, if a slot offers 25 paylines, you can choose to bet on 10 and select any combination you want like paylines 1-5 and 14-19, etc.
How Many Reels and Paylines Do Online Slots UK Have?
The most basic slot games usually have 3 reels and offer just one payline that typically goes through the centre of the reels. But technology has come a long way, and today’s game designers offer online video slots that feature 5, 7 or 9 reels and hundreds of paylines. Some UK online slot games feature 243 ways to win, while there are even slots with 1024 possible winning combinations.
5-reel slot games have become the standard for many online casino slots, while a game can offer anywhere between one to hundreds of paylines. The innovation and creativity of online slot designers recently brought slots with 1024 ways to win where, instead of traditional paylines, wins are given for any left or right-aligned symbol combination that lands on the reels.
How Much Can You Bet On an Online Slot Game?
The amount you can bet on a slot game will depend on its min/max bet limits, number of paylines and other game rules. You must bet at least the minimum and remember before betting to check the paytable and understand how winning combinations occur. In standard slot games, the winning combinations read from left to right, but there are many new and innovative slots that award wins for symbols clustered or grouped in multiple directions.
Every wager you make will deduct coins from your balance. And for every payline you select, you will need to make an extra bet. The minimum bet is 1 coin, so if you would like to bet on a slot with 25 playlines for example, you will need to bet a minimum of 25 coins. The values of coins changes from one slot game to another. While some slots allow you to place a few pence per bet, others will require £1 per for each wager. Payouts can range from 10x to 2000x. The ‘x’ figure is the number of times your single line bet will be multiplied. Match 3, 4 or 5 symbols and you’re a winner.
Slot Games Bonus Features
Traditional slot machines used to offer very limited features. You had to spin 3 reels with a handful of symbols on each reel, and if the symbols lined up in certain combinations, you would win. In today’s online slots, the reels and symbols are just the foundation for many more bonus features and special symbols that beyond making gameplay a lot more exciting, give you many more chances to win. Below is a list of just some of the features your may find:
- Slot Machines with Bonus Games
- Wild Symbols
- Scatter Symbols
- Multiplier Symbols
- Megaways Slots
- Win Both Ways Online Slot Games
- 243 Ways to Win Slot Games
- 1024 Ways to Win Slot Games
- Free Spins
- Cluster Pays
- Progressive Jackpot Slots
Mobile Slot Games
With mobile gambling becoming increasingly popular and common in the UK, all the new online slots are coded in HTML5 technology which makes them optimised for any mobile-browser device. Nowadays, most software developers implement the mobile-first approach when building new online slot games. So nearly all the new casino slot releases are developed with mobile-device players in mind, thus including game features and settings that make for an immersive mobile gameplay experience. But don’t worry if you are into online slot classics, as most of the popular older games have been updated and made available on mobile casino sites too. Most online slots are available for instant play using any mobile device browser, and many casinos nowadays also offer slots on mobile apps available on Android, iOS and Windows Phone versions.
Slot Games RTP (Return to Player)
If you spend money to place a bet on a slot machine, you probably want to know how much money you could potentially win back. Of course all slot machine payouts are random and every player has great wins and poor losing streaks. But although it may sound confusing, a slot’s expected return is based on a very precise mathematical model to determine the payount. The Return to Player, known as RTP, is the measure of how much money is returned to players over time as a percentage of the total wagers of all players.
So if for example the RTP of a certain slot is 96%, it will pay winnings £96 for every £100 wagered by all players. Note however that this is the statistical rate of payout over the long run and given that wins are completely random, it does not mean that any one player is expected to win or be paid back. Following the example above, one player may wager £100 and lose the entire sum, whilst another can wager a few pounds and win a jackpot – this is actually what makes casino slots so exciting.
Online casino slots are known to have higher RTPs than land-based ones, probably due to the fact that online casinos incur less expenses on rent, equipment, staff, etc. which leaves more of a profit margin that can be paid back to players. Most online slot games offer RTPs higher than 96%, but there are some with even higher returns such as Rainbow Riches Pick ‘N Mix by Barcrest with 98%, Mega Joker by NetEnt with 99%, and Ugga Bgga by Playtech with an RTP of 99.07%.
Free Slot Games Online
Many websites offer the best casino slot games in demo mode, where you can play for free and try slots without spending your own money. This is a great way to test different slots and understand the game theme, design, sounds and features before playing for real money. Beyond getting an initial feel for the slot, many experienced players play free slot games in demo mode in order to learn the bonus features, understand the RTP and volatility, betting limits and devise their slot game strategy before placing bets for real money. Note that due to UKGC regulations, UK players can access and play casino slots for free only once they sign up and verify their account with the casino.
Slot Games with No Deposit
UK casinos provide generous bonuses to lure new players to sign up as well as reward the loyalty of their existing punters. Promotions range from different deposit match bonuses, free spins and attractive no deposit bonuses that allow you to play the best slot games for free. No deposit bonuses may include bonus money added to your casino account when you sign up, free spins awarded on featured slots, and in some cases a combination of both. In addition to all the advantages of playing slots for free on demo mode, no deposit bonuses give you a chance to take home real money with every winning spin. But in most cases you will still need to deposit and complete wagering requirements before you can withdraw your winnings.
New Slot Games Online
New and exciting slot games are being released in the UK every week, and our slots experts at Gambling.com are in touch with all the major software developers to get you the first glance at the newest casino slots as soon as they are ready. Our game section has a search functionality that lets you find the newest slots based on software provider, game type, slot features and even slot name. The newly-released slots will always appear on the top of the page, so it’s easy for you to stay up to date. We constantly update our new slots page with new and innovative online slot games, so make sure you bookmark our page and check it regularly.
Advantages of Playing The Best Online Slot Games
Beyond the obvious advantages of playing the best slots online which has to do with the convenience and ability to play from anywhere, there are a few more benefits that make online slots grow in popularity with gamblers in the UK and beyond.
Slot Game Variety
- Land-based casinos are limited in floor space and each slot game requires its own cabinet on the casino floor. As online casinos don’t have this problem, at any given time you have access to hundreds, and sometimes thousands of slots in the same online casino. Also, you can search and browse games swiftly and conveniently without needing to spend time walking around the casino floor looking for the best slot game. Exciting new games are updated on your computer or mobile device on a weekly, and sometimes daily basis.
Higher RTP
- While land-based casinos need to pay for facilities, rent, employees, etc. their profit margin is lower than that of online casinos. Therefore the RTP of online slots which averages between 97% and 99% tends to be considerably higher than the RTP of land-based casino slots.
More Innovation
- The digital format of online slots enables to provide a lot more new features and innovation than that of land-based casino slots. Beyond new and exciting gameplay, there’s always something new to look for that gives you more ways to play and greater chances to win.
More Money to Wager
- Going to a land-based casino requires you to pay for travel and accommodation and there’s food, drinks and many more expenses you incur before you even spin the reels. When you play slot games online, every pound you spend goes towards your bets. This means you have a lot more game time and of course more chances to win.
Quiet Game Settings
- A casino floor can be a very noisy place with thousands of people walking by, hundreds of slot machines clinking, cocktail waiters serving drinks etc. Playing slots online lets you play from home at the most quiet and comfortable setting. This allows you to focus solely on the game, learn the features, odds and payouts, concentrate on your bets and game strategy and fully immerse yourself in the slot machine’s storyline with every spin.
Play Slots on Your Mobile
- As most of today’s online slots are optimised for mobile devices, you can play casino slots from your home, on the train or even spin the reels at the pub with your mates. The latest and newest online slots are literally in your back pocket, so as long as you have your tablet or smartphone with you, you can spin the reels from anywhere, at any time.
Common Misconceptions about Casino Slots Online
There are myths and rumours about online slot machines that come from common suspicions that people have about online activities. Are online slots programmed to pay out at specific times? Do they pay out less after a player wins the jackpot? Are online slot games rigged and fraudulent? Let’s have a look at some these misconceptions.
- Online Slots are Easy to Win - This is an untrue myth. Although online slots statistically give a better chance to win in the long run due to a high RTP, this does not mean you will win. Every spin of the reels is entirely random and while slots may seem easy to play, that does not make winning more likely.
- Playing More Increases Chances to Win - Although in theory the more you play, the greater chances you have to win, that does not mean you will increase your chances to win per each individual spin, and winnings are never a guarantee. So sadly the length of your session won’t affect your chances of landing big wins. You always have to bear in mind the randomness of each spin- Just as you are likely to win more if you play longer, you are also likely to lose.
- Online Slots Don’t Pay Large Sums - Action speaks louder than words and if this was the case millions of people wouldn’t be playing online slots. You can win huge amounts playing online slots, with millions of pounds being paid in prizes throughout the UK every week, and progressive jackpots that pay tens of millions of pounds to individual happy winners.
- Online Slots Are “Rigged” - There is a false myth about online slot games being rigged, allowing casino operators to control the game outcome. Every casino we feature on Gambling.com is licenced by the UKGC and as such, its RNG is fully certified and regularly tested to make sure that the outcome of every spin of an online slot game is random. So any slot we recommend on our site is never rigged.
Final Words on Online Slots
Now that you know so much about slots, why not try to spin the reels and dive into the exciting world of UK slots online? While at it, don’t forget to claim the great bonuses available to players that come through Gambling.com!
FAQ
Of course! You can win cash prizes while playing at the best online slots UK sites. Spin the reels for a chance to win real money and play progressive slots for huge jackpot prizes.
Slot games are controlled by an RNG (Random Number Generator) which is certified and regularly tested by independent sources. This assures that the outcome of every spin on a slot machine is random.
Every kind of slot has its advantages. Progressive jackpot slots pay millions of pounds in life-changing prizes. But these wins are extremely rare compared to regular slots that although featuring smaller prizes, pay out more frequently.
Yes you can. However due to UKGC regulations, free slots can be played in the UK only once you registered to the casino and verified your account.
Nearly all the new online slot games are available on mobile and many of the older popular online slots have been upgraded to provide mobile compatibility as well. But some outdated slots that may not be accessible on mobile devices.
New casino slots can be found at our New Slots section at Gambling.com as well as at our top recommended online casinos. Make sure you claim a generous bonus while registering to play!
A high RTP is only one of several factors to consider when playing a casino slot machine. You should also look at bonus features, free spins, slot volatility and more things that can affect your chances to win.
Game volatility is the definition of the slot’s win frequency and payout size. High volatility slots tend to have larger payouts that occur less frequently. Low volatility slots typically pay out more frequently, but payouts are smaller.
As the outcome of every spin on an online casino slot is random, it is difficult to intentionally win more. Statistically your odds of winning increase the more you play, but so will your odds of losing. So it’s best to set up limits and to manage your bankroll while playing.
Of course you can! Many of the UK's top slot sites offer generous bonuses to players who sign up through Gambling.com. So once you find the casino that’s best for you – sign up, claim a great bonus and start spinning the reels.
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