Top 20 Slots and Casinos UK

Play Slots at the Top 20 Online Casinos

There are hundreds of online casinos for players in the UK to choose from, which means it can be difficult to figure out which casino sites are the best. To help, we're giving you our top 20 slots casinos, handpicked by our team of experts with decades of experience in all things online gambling.

Top 20 Slots Casinos UK – December 2024

Midnite Logo

Midnite

4.8/5

Bet £20 Get 100 Free Spins

New customers only. Deposit and wager £20 on Midnite Casino to get 100 Free Spins at 10p per spin, valid for 7 days on selected games. T&Cs apply. 18+ BeGambleAware.org

Neptuneplay Logo

Neptuneplay

4.8/5

100% Welcome Bonus Up To £100

#AD. Gamble Responsibly. Gambleaware.org. New Players Only. +18. Terms and Conditions Apply. Min. Deposit £10. Offer valid for 24hrs. Wagering requirement: 40x. 

Mega Riches Logo

Mega Riches

4.8/5

100% Up to £100 + 50 Free Spins

18+. Gamble Responsibly. Gambleaware.org The Welcome Offers cannot be used in conjunction with any other bonuses. These Key Terms and Conditions form part of and are an extension of the General Terms and Conditions. If and where there is a conflict between these Terms & Conditions and the General Terms and Conditions which relate specifically to the Welcome Bonus and Welcome Spins, these Key Terms and Conditions will prevail. Mega Riches reserves the right to withdraw or amend this promotion at any time. Minimum deposit £ 10. Opt-in required.

Kwiff Logo

Kwiff

4.8/5

Wager £20 + Get 200 Wager Free Spins

New Players only. min £20 deposit. 40 Spins on Book of Dead per day after each qualifying wager in the first 5 days. max withdrawable winning £250. Ewallets excluded. Full T&Cs apply. BeGambleAware.org

NRG.Bet Casino Logo

NRG.Bet

4.6/5

Wager £25 + Get 80 Free Spins

Sign Up using the Promo Code nrg80 and make a minimum deposit of £25. Then wager a minimum of £25 on any casino slots and receive 80 Free Spins on Big Bass Bonanza. This promotion is for new customers only. Customers must be 18+. The free spins will be credited within 48 hours from qualification. BeGambleAware.org

Casushi Logo

Casushi

4.7/5

100% Up To £50 + 50 Bonus Spins

18+. New players only. 100% bonus on first deposit up to £50 & 50 Bonus spins (10 spins per day for 3 days) for Book Of Dead. Min. first deposit £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £500. 40x Wagering requirements. Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. Further Terms Apply. BeGambleAware.org

Lottoland Logo

Lottoland

4.7/5

Stake £10 + Get 50 Free Spins

18+, New customers only, register, deposit and stake £10 on Big Bass Bonanza within 7 days, and claim 50 Free spins on Big Bass Bonanza. Free spins expire 30 days after credited. Ends 31/12/24 at 23:59 GMT. Full T&Cs Apply. begambleaware.org.

Mr Vegas Logo

Mr Vegas

4.9/5

11 Wager Free Spins + Up To £200

18+. New Players Only. £10 minimum deposit. 100% up to a maximum of £200. The welcome offer can be activated only once. 30 calendar days to activate. 35x wagering. 60 calendar days from activation to complete wagering. The 100% bonus up to £200 will be paid out in 10% increments to your Main Account balance. Bonus balance is not payable. Any remaining bonus balance will be forfeited upon withdrawal. T&Cs Apply. BeGambleAware.org

LottoGo Logo

LottoGo

4.8/5

100% Up To £100 + 100 Free Spins

18+. New Players Only. BeGambleAware.org Minimum Deposit £20,40x Wagering in 7 days, Qualifying Deposit played first, Max Bet £5, Max Win applies., Certain games excluded, Spin value £0.1 each. Full T&Cs apply. Take time to think.

Jackpot.com Logo

Jackpot.com

4.7/5

Get 50 No Wager Free Spins

This one-time offer is only available here for new UK customers of Jackpot.com. To participate a minimum £15 bet is required. Any terms not specified in these Special Promotional Term, the Promotional Terms shall apply and will be subject to Jackpot.com Terms and Conditions. No wagering requirements. Max cashout £/€100. Gambling can be addictive, please play responsibly. BeGambleAware.org

BetMGM Logo

BetMGM

4.8/5

100 Free Spins When You Play £10

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 Free Spins. Wagering contributions vary. Free Spins worth 10p each on Big Bass Splash. 3 day expiry. 18+. T&Cs apply. BeGambleAware.org

Highbet Logo

Highbet

4.8/5

100% Up To £50 + 50 Free Spins

18+, new UK players only. Minimum deposit: £10. Wagering requirement: 35x. Max bet while wagering: £4. Bonus must be wagered within 21 days. Bonus spins must be used within 1 day. Full terms and Bonus terms apply. BeGambleAware.org

Fafabet Logo

Fafabet

4.5/5

100% Up To £200

New customer only, deposit and stake £20 to £200 and more in Fafabet Casino Get a Casino bonus £20 up to £200! Winnings are capped at £250,There is a 35x wagering requirement and 7-day expiry date. UK18+ T&C’s Apply. BeGambleAware.org

Parimatch Logo

Parimatch

4.8/5

Up To £45 in Bonuses + 60 Free Spins

Terms: 18+ New Customers Only. Opt in, wager £10 on selected games, in 15 days. Get £15 in Bonuses (30x wagering) for Big Bass Splash + 20 Free Spins for selected games, after each £10 deposited and wagered within 15 days, up to max £45 in Bonuses + 60 Free Spins. 30 days expiry. Max redeemable £1,125. Selected payment methods only. Click for T&Cs. GambleAware.org | Please gamble responsibly. BeGambleAware.org

Videoslots Logo

Videoslots

4.9/5

11 Wager Free Spins + Up To £200

18+. New Players Only. £10 minimum deposit. 100% up to a maximum of £200. The welcome offer can be activated only once. 30 calendar days to activate. 35x wagering. 60 calendar days from activation to complete wagering. The 100% bonus up to £200 will be paid out in 10% increments to your Main Account balance. Bonus balance is not payable. Any remaining bonus balance will be forfeited upon withdrawal. T&Cs Apply BeGambleAware.org

BoyleSports Logo

BoyleSports

4.8/5

Bet £10 Get £50 Casino Bonus

18+. Opt in. Selected UK/IRE players only. Not available in conjunction with other welcome offers. Min. cash wagering of £/€10 (cumulative). 48 hrs to wager, 24 hrs to play, 168 hrs to play with Bonus (BNS). Max. redeemable £/€500 from BNS. 40x wagering on BNS. Cash balance used until bonus wagering req. complete. Once per player. Game, game weighting, player restrictions apply. Expiry date applies. Account, payment restrictions & T&Cs apply. BeGambleAware.org.

Quinn Casino

QuinnCasino

4.7/5

Stake £10 Get 50Free Spins

Register for your new QuinnBet account and Enter the Coupon code: ‘Freespins’ in the Coupon Code tab of the Registration Page. To activate the free spins, you must deposit at least £10 to your account and have cash stakes of £10 or more on your first day’s play at QuinnCasino. 18+ T&Cs Apply.

The Pools Logo

The Pools

4.7/5

Stake £10 + Get 100 Free Spins

18+, UK only. First deposit and Stake £10 on casino slots. On qualification of the promotion, you will receive 100 Free Spins on Big Catch Bass Fishing. Qualifying players will have the Free Spins credited to their account the following day by 5pm. Free Spins will expire 7 days after award. Full T&Cs apply. BeGambleAware.org

All British Casino Logo

100% Up To £100 + Always 10% Cashback

#AD 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 | T&C's apply | BeGambleAware.org

Bzeebet Logo

Bzeebet

4.7/5

Up To £100 + 100 Spins on Big Bass Bonanza

18+. New Players Only. Min Deposit £20. Max Bonus: £100. 100 Spins on 1st deposit. Spins Wins and Bonus Wagering Req. X35. Spins Expire after 24h. See Full Terms. BeGambleAware.org

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Fact Checked By: Jamie

Chloe is the voice behind most of what you read on Hideous Slots, and has been part of this industry since 2021. With hundreds of slot and casino reviews under her belt, Chloe spends the majority of her time writing content on Hideous Slots, including casino guides to help new and experienced gamblers to find the best casinos and games to suit their needs. The aim of this work is simple – provide readers with a comprehensive understanding of the casino or game beyond just Chloe's perspective, putting quality above quantity always. This means the content resonates with authenticity, clarity and value; just one reason it is enjoyed by readers worldwide.