Best Online Slots – UK Online Casinos - Reviews & Play for Free

We’ve been around for quite some time with our team having offer 25 years of combined online casino experience – we’ve worked at various online casinos over the years and are avid slots players so we know what to look for. With more than 2,500 slots reviewed (with games added daily), we recommend only the very best UK licensed online casinos and have a regularly updated news section as well as exclusive offers only available to Online-Slot.co.uk readers.

New Slots

If you want new slots, Online-Slot.co.uk is the place to come to – we add the latest slots when they go live including exclusive releases and the details of where to play them. Our reviews are detailed looking at the theme, bonus features, variance and our honest opinion as slots players (good or bad). You’ll also find reputable and licensed online casinos where you can play these slots.

Most Popular Slots

Want to play the best and most popular online slots? With 1,000s of slot games to choose from, we highlight to slots that are popular with casino players and the reasons why (in the detailed reviews). You can play all these online slots for free too.

Megaways Slots

The Megaways game mechanic has taken the online casino world by storm since it was made popular by the iconic Bonanza slot. With a random number of symbols on each reel, it can lead to up to 586,971 different ways to win. You’ll find Megaways slots from Big Time Gaming (the creator) as well as Blueprint Gaming, Fantasma Games, Red Tiger Gaming, WMS, NextGen Gaming, Storm Gaming and others.

Latest Online Slots News

Want to keep informed of the latest releases, promotions and offers? This is the section for you. We cover new slots and relevant topics which will make your hard-earned money go further. This section is updated daily so you don’t miss out. We have a lot of return visitors so keep coming back if you’re an avid slots player.

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NetEnt has enrolled partner Red Tiger Gaming to release Piggy Riches Megaways slot

NetEnt has enrolled partner Red Tiger Gaming to release Piggy Riches Megaways slot

23rd January 2020
WMS Releases Montezuma Megaways Slot

WMS Releases Montezuma Megaways Slot

22nd January 2020
ELK Studios has today released the Hit It Hard slot game

ELK Studios has today released the Hit It Hard slot game

22nd January 2020
Head to South Africa on a 5 star safari holiday with Casimba Casino’s monthly promotion

Head to South Africa on a 5 star safari holiday with Casimba Casino’s monthly promotion

15th January 2020
You will no longer be able to use your credit card to gamble in the UK from April 2020

You will no longer be able to use your credit card to gamble in the UK from April 2020

14th January 2020
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1
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up to £100

25

Extra Spins

800+

Slots

T&C Apply

T&Cs: 18+.New players ONLY. First deposit only. Min deposit £20 Max bet £5 while Welcome Bonus is in play. 35x wagering requirement. Upon 1st Deposit – 100% bonus up to £100 + 25 Extra Spins on any NetEnt game. Offer may not be combined with other offers. Deposits made by Skrill or NETeller are not eligible. Game weighting, time limitations & full T&C’s apply.

2
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50

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100%

up to £500

1,000+

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18+. New players only. 1 bonus offer per player. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Bonus funds expire in 30 days, unused bonus funds will be removed. Bonus funds are 100% match up to £500 on your 1st deposit, 25% match up to £1000 on your 2nd deposit, and 50% match up to £500 on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. Terms apply. BeGambleAware.org

3
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500

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1,000+

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4
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100%

up to £1,000

200

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1,000+

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5
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100%

up to £300

300

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1,200+

Slots

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18+. Full T&C’s Apply. New players Only. £10 minimum deposit. 40 x wagering applies. Bonus valid for 14 days. 30 Free Spins will be credited per day for 9 days after qualifying deposit/wager is met. Free Spins valid for 72 hours from credit – begambleaware.org

6
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45

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£400

in Bonuses

1,700+

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18+. New eligible UK players. Select Casino offer on sign-up. Offer runs – 21/11/19 to 31/01/20. Spins must be claimed on ‘’My Offers’’ page within 14 days of sign-up. 45 spins on Book of Dead game only, have a £0.10 value each; expire 7 days from claim. 35x wagering on eligible slots before winnings are converted to cash. Play Responsibly. 18+ begambleaware.org. Full T&Cs apply.