Best online slots for UK players with high RTPs, amazing graphics and features

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Best online slots for UK players with high RTPs, amazing graphics and features
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Are you on the lookout for the best UK casino slot sites? If so, then you have come to the right place.

Our team of professionals went above and beyond and finally managed to come up with a list of the best sites in the UK to use for slots. We focused on several important factors. This includes slot game variety, bonuses, user experience, and more.

After extensive research, we found PlayOJO to be the leader on our list.

Do you want to learn more? Let’s get started.

Best Online Slots in the UK

For new players only. The minimum deposit required to activate this bonus is £10. Extra spins are valid on the slot game "Book of Dead" and are valued at £0.10 each. This bonus isn't available for North Ireland players. .

  • About 3,000 slots from 57 providers
  • Generous extra spins welcome bonus
  • No wagering requirement for the welcome offer

PlayOJO is an online casino that offers a wide range of slots. The site is powered by 57 leading game providers in the industry, ensuring the highest quality of games. There are around 3,000 slots available here, and anyone can easily find something of their interest.

Whether you like classic three-reel slots or five-reel slots with bonus rounds or video slots with jackpot features, you’ll find it at PlayOJO. PlayOJO offers lucrative new player bonuses on your first deposit: 50 extra spins with zero wagering requirement.

PlayOJO is a safe and secure online slots site, which has adopted different types of security measures to ensure its users can gamble without any issues.

Banking at PlayOJO is a breeze. There are five payment options currently accepted by PlayOJO, including Visa, Mastercard, Bank Transfers, Trustly, and PayPal. Payouts are usually processed in a considerably shorter time, depending on the option you are using.

A minimum deposit of £20 is required for the bonus. The welcome bonus must be wagered within 21 days of receipt. The welcome offer is subject to a 50x wagering requirement. .

  • Amazing reputation in the industry
  • Welcome bonus up to £25 plus extra spins
  • 1,100+ slots from 52 providers

Magic Red is known to be one of the most reputable slots sites in the UK. Over the years, it has managed to grow to a great gambling site for slots, offering over 1,100 slot games from leading providers in the industry.

Magic Red offers a variety of bonuses, incentives and rewards to their customers. With its welcome offer, you will be able to score a 100% deposit match up to £25 and an additional 25 bonus spins on Starburst.

Magic Red is a trusted and secure online casino. It provides a safe and secure environment that ensures the personal information of its players is kept confidential. They also use SSL encryption to make sure your data is protected from third parties.

The most popular payment methods accepted by Magic Red are Visa and MasterCard cards, bank transfers, and popular e-wallet services like Skrill, Neteller, and PayPal.

For new players at Mr Spin only. a 100% deposit match is awarded as bonus credit via lobby game. The maximum bonus is £100. A 20x wagering requirement applies. Players have 30 days to claim this bonus upon registration. .

  • Original high RTP slot games
  • 100% welcome deposit match up to £100
  • Extra spins no deposit bonus
  • A wide range of payment methods accepted

Mr Spin is a great online slots site for UK players as it offers many original and exciting high RTP reels. Among them, you can find titles such as the Mr Spin Supreme and the Mr Spin Lucky 7, which feature seven spinning reels and nine paylines.

Another huge advantage of this online casino is its generous bonuses and promotions. For new customers, this online casino offers a no deposit bonus in the form of extra spins. Upon sign up, you will be greeted with 50 bonus spins.

Once you make your first deposit, you will be awarded a 100% welcome deposit match up to £100. Both the no deposit bonus and the welcome offer come with a 20x wagering requirement.

The security on this site is top-notch, with 128 bit SSL encryption on all transactions to ensure total safety for any personal information entered on the site. There are also plenty of security protocols in place, ensuring high security for users.

Mr Spin has a wide range of payment methods available, including PayPal, Visa, MasterCard, Phone Bill, Paysafecard, and Bank Transfer.

For new players only. 50x wagering requirement applies to the bonus + deposit amount, playable on selected slots only. Bonuses must be accepted within 72 hours and are valid for 30 days. .

  • 100% first deposit match with 300 extra spins
  • 1,850+ slots from 12 providers
  • 15 payment options supported

Genesis is one of the most popular online casinos available in the UK today. The games here are from leading providers in the industry, and the selection of slot games is quite competitive, with over 1,850 titles.

While being one of the newest online casinos, they offer new players one of the best bonuses around. For your first deposit, you will be rewarded with a 100% deposit match up to £100. In addition, you will also receive 300 extra spins.

Banking here is very comfortable, as this online casino allows you to make deposits and withdrawals using 15 different options. This includes traditional methods such as debit cards and bank transfers, as well as e-wallets, including Skrill, Neteller, and others.

For new players only. To qualify for the welcome bonus, players must deposit a minimum of £20 at the site's Cashier. This bonus is subject to a 40x wagering requirement (20x for extra spins). ID verification is required before participation. .

  • Amazing mobile app
  • Great game selection with over 300 slots
  • Fast payouts

Looking for the best online casino to play on the go? Slots Heaven might be the one to choose. This online casino has an amazing mobile app which works perfectly on all devices.

With over 300 slots to play, Slots Heaven is a great place for gamblers of different interests. Here, you can find slots with different themes, some featuring traditional, old-school reels themes, while others come with modern graphics and amazing sound effects.

The welcome bonus at Slots Heaven is very generous and competitive. This online casino offers you a 100% deposit match up to £100 with 200 extra spins for your first deposit. The welcome offer comes with a 40x wagering requirement - 20x for bonus spins.

Slots Heaven is committed to safety and security through responsible gaming practices, including age verification, responsible gambling practices, responsible gaming promotions, and many more.

For new customers only. 50x Wagering applies. Bonuses must be accepted within 72 hours and are valid for 30 days and the wagering requirement must be completed in this time. .

  • Intuitive, user-friendly design
  • Generous welcome bonus up to £300
  • 890+ slots from 24 providers

The Sun Vegas is a top-notch casino site with plenty of slots to choose from. Here you’ll find all sorts of interesting new titles like the Wheel of Fortune video slot. The casino also has some exciting 3D slots like Sea Hunter.

The design of this online casino is simply amazing and user-first. This makes the website very easy to use and navigate. The user-friendliness is not compromised on the mobile version of this casino either.

The Sun Vegas offers players plenty of bonuses, including a fantastic welcome bonus package for new players. Players who make an initial deposit will be rewarded with a generous 100% match for deposits up to £300.

For new players who make a deposit of £20 or higher. 5x wagering requirement. Games contribute differently to wagering requirements. Some games are excluded. Players have 30 days to meet the wagering requirement. .

  • Deposit £20 and play with a £50 welcome offer
  • Welcome offer comes with a low, 5x wagering requirement
  • About 700 slots from leading providers

With over 660 slot games, Grosvenor is a great online casino in the UK for slots lovers. The team behind this online casino has decades of experience in the industry, operating several well-known casinos in the UK.

With its online slots site, Grosvenor offers some of the most generous bonuses and promotions. If you make your first deposit of £20, you will be able to gamble with £50. The best thing is that the wagering requirement for this offer is very low - just 5x.

Available for new players. The minimum deposit required to activate this bonus is £10. 35x wagering requirement. Games contribute differently to the wagering requirement. .

  • About 1,200 slots from 31 providers
  • £100 welcome bonus with 50 extra spins
  • Great mobile gaming experience

With about 1,200 slot games to choose from, Leo Vegas' gaming portfolio is one of the best in the industry. It has something for everyone - no matter what you might be looking for, it is very likely to find it here.

Leo Vegas is also a great casino for bonuses and promotions. It offers a great no deposit bonus with 10 extra spins - the wagering requirement for this offer is zero. As for the welcome bonus, you will be greeted with £100 and additional 50 extra spins. This offer comes with a 35x wagering requirement.

Available for new customers only. To activate the welcome offer, players must deposit £20 or higher. 40x wagering requirement. ID must be verified prior to participation. PayPal deposits are excluded from this bonus. .

  • Amazing VIP programme
  • Unique slots are available
  • Easy registration process

Mansion Casino is a great place to play your favourite casino games. They have over 1,100 slots, making it easy to find your favourite game. They even offer progressive games, video slots, 3D slots, and much more. You can also find slot machines with unique features like Treasure Island, Genie's Fortune, and Aztec Treasures.

This online casino is especially good when it comes to withdrawals. It supports 10 different banking options. Among them are debit cards, PayPal, Skrill, Neteller, and many more. The best thing is that payouts are usually processed in a very short time, ensuring that you can receive your wins shortly after gambling.

All deposits are fully protected by SSL encryption technology, so players can play with peace of mind knowing their data is always safe on the site.

New players only. To activate, a minimum deposit of £10 is required. There's a 30x wagering requirement on the deposit and bonus. Extra spins are subject to a 60x wagering requirement. .

  • Intuitive and easy-to-use interface
  • Up to £50 welcome bonus with bonus spins
  • Over 1,600 games

Just getting started and don’t know which slots site to use? We would recommend Red Kings for newbies because of several reasons. When you make your first deposit, you will be able to receive a welcome bonus of up to £50 and additional 15 bonus spins on Wolf God.

The user interface of this online casino is amazing, ensuring that you can find anything you might be looking for in a matter of seconds. This is a huge advantage, especially for those who are just getting started in the gambling world.

Top UK Slots Sites Runners-Up

  • Reputable slots site
  • Fast payouts
  • Generous tournaments
  • Great choice of progressive slots
  • No download required
  • Very secure site
  • Mobile compatible
  • Generous bonuses
  • 76 original slots
  • Generous welcome offer
  • Great customer service
  • Offers more than 1,600 slots
  • 15 payment options supported
  • Generous welcome offer
  • Games from leading providers
  • Mobile friendly slots site
  • Amazing customer service
  • Simple layout with top graphics
  • Ideal site for beginners
  • Excellent customer service team
  • High RTP slots from leading providers
  • Safe and secure online slots site
  • Great welcome bonus
  • Amazing mobile slots site
  • Great design
  • Generous welcome offer
  • Ideal for beginners
  • Great customer service
  • Intuitive design
  • User-first approach

Ranking Methodology for the Best UK Slots & Sites

Variety of Slot Games Available:

We've listed some of the best slot casinos in the UK as per the variety of slots each casino has. Game variety is very important for slot gamblers and we ensured to include casinos that offer quality, high RTP slots from leading providers.


We also look at the different types of bonuses offered by each site. This includes both signup and no-deposit bonuses. We also focused on the terms and conditions of the bonuses to ensure the highest fairness.


One of the most crucial factors we look at is the security of the site. All the casinos we rank have been thoroughly vetted, and we only recommend those we know are trustworthy. We still recommend you read the casino's policies before playing since these change from time to time.

Payment Methods:

Most people look for the best casino sites with the best payment methods. When it comes to making deposits, there are many methods to choose from. We try to give you sites that offer multiple payment methods and fast payouts.

How Do I Find Secure Online Slots in the UK?

To determine how secure an online casino is, you must consider its regulatory status. There are different regulators in the industry. As a gambler from the UK, you must only trust the casinos that are regulated locally.

What Are the Most Popular Slot Games in the UK?

The most popular slots are usually the ones that have the highest payout percentages. The payout for a game can be found in the paytable. This is generally located in the bottom left corner of the game, although it may be located in different areas depending on the slot.

The payout percentages of casino slots can vary widely from one game to another. Before you choose which casino slot to play, look at their RTP percentage.

Can I Play Slots in the UK for Free?

You can find demo games for slots at many of the major casinos. The demo games are usually available in the lobby area of the casino.

essential to read the casino's policy on deposits and withdrawals before making one.

What Is a Progressive Slot Game?

A progressive slot is a game that has a jackpot that can grow or "progress" with each bet made. This is possible because each slot machine has its jackpot, which increases with every bet made.

Sites for Playing the Best UK Slots Compared

  • PlayOJO: 50 extra spins welcome bonus, about 3,000 slots, licensed in Great Britain; overall score 99%. .
  • Magic Red: 100% first deposit match up to £25 plus 25 extra spins, over 1,100 slots, licensed in Great Britain; overall score 97%. .
  • Mr Spin: 100% first deposit match up to £100, 65 original slot games, licensed in Great Britain; overall score 95%. .
  • Genesis: 100% first deposit match up to £100 plus 300 extra spins, 1,850+ slots, licensed in Great Britain; overall score 93%. .
  • Slots Heaven: 100% first deposit match up to £100 plus 200 extra spins, 300+ slots, licensed in Great Britain; overall score 91%. .

Steps To Start Playing the Best Online Slots in the UK

It’s usually quite easy to get started at the best slots sites in the UK. As our top pick is PlayOJO, we will discuss the main steps that you have to take to get started here.

1. Open Your Account

The first step is to open an account. For this, you simply have to visit the website of the casino. After clicking the Join Now button, you will have to provide some general information about yourself.

This includes your name, last name, location, email address, phone number, etc. After this, you will receive an activation code on the phone number you provided. You can use this code to activate your account.

2. Make Your First Deposit

After you have activated your account, you will be able to make your first deposit. Do not forget to use the promo code and activate the bonus.

3. Start Gambling

So, What Are the Best Slots in the UK?

After going through all the best slots sites available in the UK, our team of professionals were able to determine that the best casino to use is PlayOJO due to its amazing offers.

All in all, no matter which slots site you decide to use from our list, you can be sure to enjoy a great experience. No matter which casino you choose, don’t forget to gamble responsibly.

DISCLAIMER: You probably don’t need us to tell you that any form of gambling comes with risks and should not be undertaken as a solution to solve your financial troubles. It’s worth remembering the phrase…the house always wins!

If you suffer from a gambling problem or suspect somebody you know does, then we strongly suggest that you call the National Gambling Helpline at 0808-8020-133 to talk with an advisor for help and to make gambling safer for you or your loved ones. Remember all gambling sites and guides are 18+ only.

Casino sites listed on our site may not be available in your region. Check your local laws to ensure online gambling is available and legal where you live. Our reviews are independent and reader-supported and we may receive commissions for recommendations made in our websites guides, this does not affect our rankings methodology and we always recommend sites we believe will provide the most enjoyable gaming experience.

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