Online Slots Reviews + Slot Sites

Welcome to Online-Slot.co.uk, the ultimate hub for slot enthusiasts. With four decades of combined experience, our experts deliver honest, in-depth reviews covering gameplay, bonuses, and payouts. Discover the UK’s best slots and top-rated sites, reviewed by players, for players

New Slots

Best Slots

Megaways Slots

Jackpot Slots

Best RTP Slots

Slot Sites

Chris Taylor + Playing slots since 2004

Chris founded Online-Slot.co.uk in 2011, and his expertise still influences its content. With over 17 years in the iGaming industry, he built a strong foundation that shaped the platform into a trusted source for slot reviews. Today, new experts are leading the site into an even more successful future, bringing fresh insights while staying true to Chris’s principles. His legacy continues to guide the site’s growth and reputation. Thanks to this blend of experience and innovation, the site remains a go-to resource for slot enthusiasts everywhere.

New Slots

If you want new slot reviews, Online-Slot.co.uk is the place to come to. We add the latest slot reviews as quickly as anywhere else. This includes exclusive slots and details of where to play them. We cover slot reviews from the best online slot providers, including NetEnt, Play ‘n GO, Games Global and Playtech. We also list the slots sites where the latest slots are available.

3.6 / 5

3 Gods of Goalympus Slot

4 / 5

Outsourced: Payday Slot

Le Bandit Hold & Win™ Slot

3 / 5

3 Bandits Slot

More New Slots

Best Slots

Want to read reviews on the best online slots? You’ve come to the right place. With 1,000s of online slot games to choose from these days, we’ve hand-picked only the very best for you. These are popular with casino players and we highlight the reasons why in the in-depth slot reviews. This includes the best free slots as there are demos versions of these favourite titles.

5 / 5

Money Train 4 Slot

4.9 / 5

Razor Returns Slot Review

5 / 5

Tombstone RIP Slot Review

4.5 / 5

Book of Dead Slot Review

4.9 / 5

Bill & Coin 2: Mummy Mischief Slot

5 / 5

Dead or Alive 2 Slot

Best Online Slots

Megaways Slots

The Megaways game mechanic by creator Big Time Gaming has taken the online casino world by storm since it was made popular by the iconic Bonanza Megaways slot. With so many moving parts, our detailed Megaways slot reviews explain the engine behind our Megaways game which can vary as well as a look at the various exciting features they come with.

3.8 / 5

Captain Kraken Megaways™ Slot

4.2 / 5

Play With the Devil Megaways™ Slot

4.5 / 5

Zombie School Megaways™ Slot

4 / 5

Witch Heart Megaways™ Slot

4.1 / 5

Bass Boss Megaways™ Slot

4 / 5

Gods of Troy Megaways™ Slot

Megaways Slots List

Jackpot Slots

Looking for a life-changing win? Check out our list of jackpot slot games which offer you the chance to win progressive jackpots. These include games with the highest online jackpots that have 7 or even 8-figure payouts.

£1,511,826.72

3.8 / 5

Groovy Knights Dream Drop Slot

4.5 / 5

Bonsai Dragon Blitz Dream Drop Slot

£12,918,485.79

3.7 / 5

Book of Mega Moolah Slot Review

£1,511,826.72

4.3 / 5

Wild Chapo 2 Dream Drop Slot

£2,223,518.55

4 / 5

The Finer Reels of Life WOWPOT!™ Slot Review

£1,019,228.51

4.5 / 5

Danger High Voltage Megapays Slot Review

All Jackpot Slots

Best RTP Slots

If you want the highest RTP slot games, you’ve come to the right place. Find out which slots have the best return rates which give you more winnings back per spin on average. You’ll also find a list of the best payout slots.

2.9 / 5

Ugga Bugga Slot Review

4.1 / 5

Book of 99 Slot Review

4 / 5

1429 Uncharted Seas Slot

4 / 5

Marching Legions Slot

3.8 / 5

Pearl o’ Plinko—Mermaid Cove Slot

3 / 5

Pearl o’ Plinko – Fire & Bones Slot

Top RTP Rates

The Best Slots Sites (UK)

All slot sites found here at Online-Slot.co.uk are UK licensed and trustworthy. They also adhere to the strict and fair policies set out by the Gambling Commission (UKGC). We’ve personally played at these top slot sites which have a wide selection of the best slot games.

1
NetBet Casino

5 / 5

NetBet Casino Review
- 3,000+
- Up to 24 hours
- United Kingdom (UKGC)
Get 100 Free Spins when You Bet £20

Play Now
Mobile app for iOS and Android

Players Club (Loyalty)

Exclusive UK casino
Providers:

Deposit Payment Methods:
^{#AD New customers only. £10 min deposit. Opt-in and Bet £20+ on any slot, 100 Free Spins on Big Bass Splash, £0.10 per spin. Winnings paid as cash, £100 Max win. Additional T&Cs apply.}
2
Spinyoo Casino

5 / 5

Spinyoo Casino Review
- 1600+
- Up to 72 hours
- United Kingdom (UKGC)
100% Deposit Bonus of up to £250 + 100 Spins

Play Now
Loyalty program

24/7 Live Chat

Paypal And Apple Pay Accepted
Providers:

Deposit Payment Methods:
^{18+. New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% Bonus of 1st deposit up to £250 on Slots + 100 Yoo Spins on Starburst, Book of Dead, Fire Joker, Gonzo’s Quest, and Big Bass Bonanza, respectively (first 20 credited immediately upon first deposit, rest credited at 07:00 GMT at 20/day). Spins expire after 23:59 GMT on the day you’re credited. Winnings from each 20 spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds & subject to 35x wagering of bonus + deposit amounts. Only your bonus funds contribute to wagering requirements. Affordability checks apply.. Full Terms Apply. GambleAware.org #ad}
3
LeoVegas Casino

4.5 / 5

LeoVegas Casino Review
- 3,300+
- Up to 24 hours
- United Kingdom (UKGC)
50 Free Spins on Big Bass Splash when you play £10 or more!

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Mobile app for iOS and Android

Loads of exclusive slots

Award winning support
Providers:

Deposit Payment Methods:
^{New cust only. Opt in, deposit £10+ within 7 days of registering & wager 1x on eligible casino games within 7 days to get 50 Wager-Free Free Spins on Big Bass Splash. 3 day expiry. Wagering contributions vary.}^T&Cs^{& exclusions apply. 18+.}^{GambleAware.org}^{. #ad}
4
Duelz Casino

4.3 / 5

Duelz Casino Review
- 1000+
- Instant
- United Kingdom (UKGC)
Get 140 Free Spins when you deposit £25

Play Now
Accepts PayPal

24/7 Customer Support

Weekly cashback
Providers:

Deposit Payment Methods:
^{#AD | 18+. New players. Min deposit £25. Up to 140 Free Spins (20/day for 7 consecutive days on selected games). Manually claimed daily or expire at midnight with no rollover. Free spin value £0.10. Max winnings £100/day as bonus funds with 10x wagering requirement to be completed within 7 days. Game restrictions apply. Play Responsibly! www.begambleaware.org}
5
Lottoland Casino

4 / 5

Lottoland Casino Review
- 1,800+
- Up to 48 hours
- United Kingdom (UKGC)
100% Deposit Bonus up to £100 + 20 Free Spins

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80+ Megaways Slots

Plenty Of Existing Customer Promos

£1 Minimum Deposits
Providers:

Deposit Payment Methods:
^{18+, sign up, deposit £20 or more directly via the promotion page to receive a 100% Matched deposit bonus on selected games. 20 Free Spins will be credited in 24hrs. 40x wagering, 7 day bonus expiry. Ends 31/12/24 at 23:59 GMT. Full T&Cs Apply. gambleaware.org. #ad}
6
Quick.bet Casino

4.6 / 5
- 1000+
- Up to 24 hours
- Malta (MGA), United Kingdom (UKGC)
100% up to £100

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Fast Deposits and Withdrawals

Modern design

Top Software Providers
Providers:

Deposit Payment Methods:
^{#AD | Welcome bonus for new players only | Maximum bonus is 100% up to £100 | Min. deposit is £10 | No max cash out | Wagering is 40x bonus | Maximum bet with an active bonus is £5 | Eligibility is restricted for suspected abuse | Skrill & Neteller deposits excluded for welcome bonus | Cashback when offered, applies to deposits where no bonus is included | Cashback is cash with no restrictions |}^{T&C’s apply}^{|Free bet: Min odds: 2.0 – Free bet value will be deducted from free bet winnings | 18+ | Home | Gambling is addictive, please gamble responsibly!}
7
PubCasino

4.1 / 5

PubCasino Review
- 1,500+
- Up to 12 Hours
- United Kingdom (UKGC)
100% up to £100 + Regular Promotions

Play Now
£10 minimum deposit

Great selection of online slots

24/7 Support
Providers:

Deposit Payment Methods:
^{Welcome bonus for new players only. Maximum bonus is 100% up to £100. Min. deposit is £10. No max cash out. Wagering is 40x bonus. Maximum bet with an active bonus is £5. Eligibility is restricted for suspected abuse. Skrill & Neteller deposits excluded for welcome bonus. Cashback when offered, applies to deposits where no bonus is included. Cashback is cash with no restrictions. Terms apply. 18+ Play responsibly. GambleAware.org #ad}
8
Highbet Casino

3.8 / 5

Highbet Casino Review
- 2,800+
- Up to 10 Days
- United Kingdom (UKGC)
50 Free Spins on Big Bass Splash NO WAGER REQUIREMENTS

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Slot Based Welcome Bonus

£10 minimum deposit

£10 Minimum Withdrawal
Deposit Payment Methods:
^{#AD | 50 Free Spins awarded on Big Bass Splash (£0.10/spin). Deposit & wager £10+ on slots on the same day. Free Spins winnings paid as cash with no wagering. Spins expire after 5 days. New customers only. 18+.Full T&Cs apply.}
9
Fun Casino

4.3 / 5

Fun Casino Review
- 1300+
- Up to 24 hours
- United Kingdom (UKGC)
100% Bonus up to £123 + Regular Promotions

Play Now
Fast payouts

24/7 Live Chat

Great Friday Bonuses
Providers:

Deposit Payment Methods:
^{New players only, Maximum bonus is £123, Max bet with bonus is £5, No max cash out, Wagering is 50x – Skrill & Neteller excluded, Eligibility is restricted for suspected abuse. Full T&C’s apply. Play responsibly. www.gambleaware.org #ad}
10
NYspins Casino

3 / 5

NYspins Casino Review
- 1,000+
- Instant
- United Kingdom (UKGC)
Get 140 Free Spins when you deposit £25

Play Now
6 Minute Average Cashouts

Excellent Loyalty Club benfits

Filter By Provider
Providers:

Deposit Payment Methods:
^{#AD | 18+. New players. Min deposit £25. Up to 140 Free Spins (20/day for 7 consecutive days on selected games). Manually claimed daily or expire at midnight with no rollover. Free spin value £0.10. Max winnings £100/day as bonus funds with 10x wagering requirement to be completed within 7 days. Game restrictions apply. Play Responsibly! www.begambleaware.org}
11
Unibet Casino

4.8 / 5

Unibet Casino Review
- 2,400+
- Up to 12 Hours
- United Kingdom (UKGC)
Play £30 Get 300 Free Spins

Play Now
Mobile app for iOS and Android

Apple Pay + Paypal

Regular promos
Providers:

Deposit Payment Methods:
^{18+ | GambleAware.org. New GB customers only. Opt in, Deposit & Stake £30 on Slots to get 300 x £0.10 Free Spins on Big Bass Splash,10x wagering. Debit card or instant bank transfer only. Claim within 7 days. Spins expire within 48 hours. Game contributions vary, max stake applies. Geographical restrictions and}^{T&Cs apply.}^.#ad
12
Playzee Casino

4.3 / 5

Playzee Casino Review
- 3,700+
- Up to 24 hours
- United Kingdom (UKGC)
100% Bonus up to £300 + 150 Zee Spins

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Zee Points + Zee Club

Zee Daily Offers

Weekend Cashouts
Providers:

Deposit Payment Methods:
^{18+ New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £300 + 150 Zee Spins on Starburst (first 60 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day they’re credited. Winnings from each set of spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply Full Terms Apply GambleAware.org #ad}
13
Hyper Casino

3 / 5

Hyper Casino Review
- 1500+
- Up to 24 hours
- United Kingdom (UKGC)
100% Bonus up to £100

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Hyper Friday Offers

£10 minimum deposit

Modern, sleek design
Providers:

Deposit Payment Methods:
^{18+. New players only, min deposit £10, wagering 45x bonus, max bet £5 with bonus funds. Live casino play excluded with bonus. 100% up to £100 bonus on 1st deposit. Welcome bonus excluded for players depositing with Skrill or Neteller. No max cash out on deposit offers. Eligibility is restricted for suspected abuse. #ad}
14
Casushi Casino

4.7 / 5

Casushi Casino Review
- 1,000+
- Up to 24 hours
- United Kingdom (UKGC)
100% Bonus up to £50 + 20 Free Spins

Play Now
Loyalty Programme

PayPal Casino

Search engine by software providers
Providers:

Deposit Payment Methods:
^{18+. New players only. 100% First deposit bonus up to £50: Min deposit £10. Wagering: 35x deposit amount to unlock as bonus cash. Bonus balance not playable until wagering is met. 20 Free Spins on Big Bass Splash (no wagering). Free spin winnings credited to cash. Expiry: Bonus balance 90 days; Free Spins 2 days. Game Contributions: Wagering on table games, live casino, Slingo, video poker & instant games contributes 10%. Neteller & Skrill deposits not eligible.}^{T&Cs apply}^. #ad
15
Coral Casino

3.4 / 5

Coral Casino Review
- 1,600+
- Up to 72 hours
- Gibraltar (GRA), United Kingdom (UKGC)
£50 Casino Bonus just play £10 on slots

Play Now
4 Hour Cashouts

24/7 Live Chat

Trusted Brand
Deposit Payment Methods:
^{18+. New customers only. Min spend £10 on qualifying games. Certain deposit types excluded. £50 Bonus on selected games subject to 40x wager req. Must accept within 14 days, valid for 30 days. Player restrictions and T&Cs apply #ad}

Why Online-Slot.co.uk?

Online-Slot.co.uk is dedicated to providing the best online slots reviews. With a focus on the UK market, our team of experts have worked in the online gaming space for nearly 40 years combined. We work closely with slot providers, so we know the thinking behind and all the ins and outs of a particular online slot, which helps us write detailed slot reviews for you to read.

We’ve played thousands of slots, both at old and new casino sites in the UK, online and at land-based casinos, pubs and arcades. We aim to arm you with the necessary information so you can pick the right online slot for you, but we also provide detailed online casino reviews to make it easy for you to choose the best slot sites.

Check out our How We Rate page for more details on our slot/casino rating systems.

Play Free Slots Here

Alongside our extensive online slots reviews, you will find free play slots. This means you can play slots for fun here at Online-Slot.co.uk. This allows you to sample the best slots and get a feel for when you play for real money at your chosen slot casino.

With over 5,000 online slot games available, finding the right one(s) can be daunting. You can play demo versions before visiting an online casino to see if you like it. With no download or signing up to complete, you can browse at your leisure and spin away to your heart’s content.