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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Wixstars Casino exclusively releases iSoftBet’s Lost Boys Loot online slot

21st October 2019

Pariplay releases high variance Treasure Temple online slot

19th October 2019

Novibet Casino has added Red Tiger Gaming online slots to their extensive portfolio

18th October 2019

Play ‘N Go’s Cash Pump slot combines 4 slots into 1 game

17th October 2019

Win the life-changing £2.35 million Gladiator Road to Rome jackpot at SlotsMillion Casino

16th October 2019
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1
  • UK focused + 0-6 hour cashouts
  • 2,000+ slots
  • Daily bonus spins promotions

Our Pick

£5 No Deposit Bonus

100% bonus up to £50

T&C Apply 18+. £5 bonus chip offer only applies to new players. Has wagering requirements of 20x – bonus code: FREEFIVER. 100% deposit match up to £50 is for first time deposits on new accounts. These offers can be claimed once per person, per household. The deposit match will be added when you deposit £10-£50 using code 100MATCH. Bonus must be wagered 40x in order to make a withdrawal. Maximum bet of £4 while playing with bonus funds. The max bet is £2 when using e wallets. Trada Casino reserves the right to suspend or terminate this promotion at any time.
2
  • Huge selection of slots - including exclusive titles
  • Lock your cashouts
  • 12-24 hour cashouts including weekends

Top Rated

30 Wager-Free

No Deposit Free Spins

+ 100% Bonus up to £300

T&C Apply 18+. New UK customers only. Opt-in required. 30 free spins on Book of Dead game upon registration with NO wagering requirements or deposit required for spins AND 100% deposit bonus up to £300: Min deposit £10 and 30x wagering requirements apply on bonus (game weighting applies). Max bet applies. T’s and c’s apply. Please gamble responsibly, www.begambleaware.org
3
  • No wagering requirements/restrictions on free spins
  • 1,000+ slots including Playtech
  • Superb promos including lots of holidays

Trusted

100% Bonus up to

£200

T&C Apply T&C Apply. New customers only. 100% up to £200. Selected Games only. 50x wagering. Game weightings apply. Max bet 10% of Bonus up to £2.50. Max win £2,000. 7-day expiry on Bonus. 10 Free Spins on registration. 3-day expiry on Free Spins. No Neteller/Skrill. Min deposit £10. Deposit/Withdrawal fees apply. Full T&Cs apply.
4
  • Pizza themed online casino
  • 900+ slots from the best slot providers
  • 24/7 customer support & 24 hour withdrawals

New

100% Bonus up to

£100

+ Cal’s Cash

T&C Apply New players only. Deposit required. Skrill, Neteller and pre-paid cards excluded. Bonus wagering 30x + 30x on deposit + bonus funds within 30 days. Available real money funds can be withdrawn at any time. Extra Spins 35x within 7 days. Bonus Max Bet £5. Max cashout from a welcome bonus is £2000, Max cashout from Extra Spins £1000. Game Weighting and T&C apply. 18+. begambleaware.org
5
  • Dedicated to slots - 1,000+
  • 24 hour cashouts
  • Unique lock withdrawal feature

All Slots

100% Bonus up to

£100

+ 100 Extra Spins

T&C Apply 100% up to £100, Not claimable with Skrill, ecoPayz or NETeller, Minimum deposit £20, Maximum bonus £100, Expiry 7 days, Wagering x48. · 20 Extra Spins per day: during 5 days, Expiry 24h, Wagering x48.