February 2023

We help you compare new and older established online slots in UK. Compare Video slots online with bonuses in one place!
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Online Slots

Getting Started with Online Slots UK

If you’ve heard of slot machines in land-based casinos, online slots UK is the online version of these machines. Online casinos and sports betting sites offer these for their online players who prefer the convenience of an online platform instead of going to land-based ones.

Online slots are considered a basic casino game. You press the “spin” button and wait for the outcome. The goal is to make sure you get three matching symbols to win. This is more of a game of chance than a game of wits, as your wins depend on the game’s random outcome. Therefore, choosing casinos or sports betting sites powered by trusted game providers is also essential.

Why Play Online Slots?

Although slots online UK is more of a game of chance, it’s still something that you should consider playing when you sign up for a casino or sports betting site. Online slots are another opportunity to generate money like any other casino game. Whether the prize is small or big, the fact that you get to win money by just spinning is definitely worth the shot.

Another reason you should consider playing in online slots is that it’s easy to play. This is especially beneficial for beginners who have no idea how other casino games work. Despite being a game of chance, online slots still provide the same entertainment as other casino games. Playing online slots can also allow you to participate in slot tournaments that offer huge prizes to winners.

In line with this, the next thing to consider is choosing the best online slots. Identifying the best ones usually involves several factors. Some casinos have the best paying online slots UK, while some have the best bonuses. Reading through online slots UK reviews will help you in making a decision.

Slots Online UK Games

Although online slots are one of the most accessible casino games, they come in different types. This gives players different ways to be entertained. Casinos that offer different online slot games also offer various prizes, depending on the slot games. It’s also essential that you, as a player, should familiarise yourself with the different slot games if you want to have a higher chance of winning.

Classic Slots

As the name suggests, classic slots are the basic of the basics. This is typically your three-reel slot machine with a lever, but online. It’s the most straightforward game to play as well. If you’re new to slot games, this is the perfect game for you. Classic slots are ideal for new players as it is easy to learn and play.

The mechanics of the game are simple. You pull down the lever and wait for the outcome of the three reels. If you get three matching symbols, you win. The prizes depend on the online casino or sports betting site you’ve signed up for. However, playing this game doesn’t stop you from easily winning prizes. The setback of classic slot games is the reduced number of probable combinations since it only has three reels.

Five-Reel Slots

Also referred to as Video Slots, Five-Reel slots are a modern approach compared to classic slots. Push buttons replace levers in classic slot machines. In addition to that, two more reels are added, making it a total of five-reel slots. This slot game is the most common and widely used today. Since two more reels are added, this increases the chances of winning. Its striking graphics with videos and sounds entice players to try it out. Most online casinos also offer a free-spin mode for this slot game.

Progressive Slots

Progressive Slots add a little twist to your regular slot games. As the name suggests, Progressive Slots comprise the wagers of players participating in this game. In other words, whenever a player makes a wager, a portion of that wager is added to the jackpot prize. Online casinos usually display the total accumulated jackpot prize, also called the progressive jackpot.

The downside of this type of game is the maximum wagering requirement. Despite being the most alluring casino game, you need to invest a significant amount if you want to participate in this type of slot game.

Interactive Slots

Interactive Slots, also called i-slots, are considered the most enjoyable type of slot game to play. It’s like a regular slot, but they offer mini-games in between. This gives players the chance to multiply their winnings. Interactive slots are also easy to learn, making it another option for new players if they want to try something other than the classic one.

Virtual-Reality (VR) Slots

With today’s technology, virtual-reality slots are made possible. When you want to experience an authentic casino environment, playing in VR Slots can help you do so. This realistic experience offers players the same kind of environment that is usually seen in land-based casinos. The best part? You can do it in the comforts of your own home. So as long as you have the right equipment, VR Slots are the way to go for a realistic casino experience.

Play Online Slots UK

Online casinos usually offer a free trial for those interested in playing their slot games. These often come in the form of welcome bonuses. This is their way of welcoming interested players to sign up with them. However, this has become an opportunity for problem gamblers to enter, so the United Kingdom Gambling Commission banned this practice.

On the other hand, online casinos still provide their UK players a way to participate in slot games freely. There are also times when online casinos would include free spins in their welcome bonuses to let their new players try their slot games.

Although UK players aren’t allowed to access the free trials for slot games anymore, those residing outside of the UK can still try them out. In line with trying out slot games, choosing the best online slots games UK can help in starting your journey in playing online slots.

Best Online Slots UK

With online slots becoming more popular, more casinos continue developing new slot games to provide their players with the best entertainment experience. Here are some of the best UK online slots that consider the combination of entertainment and convenience as they continue to provide their customers with the best online slot games.

Party Casino

Party casino is one of the best-known casinos not only in the UK but outside as well. This casino is famous for its number of casino games. This also means that they offer a wide range of slot games. Another thing that makes Party Casino one of the best is that its games are powered by well-known software providers like Microgaming, IGT, NextGen, and more.

PartyCasino also welcomes their new players with free spins in their slot games. In addition to that, existing players get to enjoy weekly bonuses and prizes in their slot games.


If you’re looking for an online casino with over 1000 slot games, Casimba is the one for you. It’s a well-known name in the industry due to its wide array of casino games. Casimba also has progressive jackpot slots, perfect for those who prefer a more challenging way to enjoy slot games.

Casimba also offers a loyalty program for its players. You can qualify for their loyalty program by playing casino games, including slot games. The bonuses you get to win in this casino can also be used in their slot games, so you better check this one out now.

Rainbow Riches

A well-known name for online slot games, Rainbow Riches, is one of the best online slots you can consider signing up for. They offer different slot games and are the most sought-after online slots.

One of the reasons why this site is popular is the multipliers that allow players the chance to double their winnings. They also have daily free games where you get to earn free spins when you win these games. Like any well-known online slots, Rainbow Riches is also powered by a few of the best software providers in the industry.


LeoVegas is one of the most trustworthy casinos in the industry. This gives them a spot in one of the best online slots. Their top-tier games are a must-try, so you should sign up for this casino. They offer different slot games, from classic to modern ones.

The website is also easy to use and has a mobile platform. They also have slot games exclusively available on their mobile app, so this is something you can look forward to when you check the app. Apart from that, they are also powered by well-known game providers in the industry, with Microgaming as one of them.

Mr. Green

Mr. Green is well-known for promoting responsible gambling. In addition to that, they are also popular because of their wide selection of casino games. This includes different slots like video slots, progressive slots, three-reel slots, and five-reel slots. One of the best things about this casino is their welcome bonuses are often applicable in their slot games.

They also boast a user-friendly interface, making it easier for their players to navigate their website. This is a perfect chance for you to try out their slot games immediately after signing up with them.


Dedicated to the MONOPOLY game, this online casino also offers a wide range of slot games. MONOPOLY online slots are themed, and they mostly continue to add new games to their list. Their slots can also be played through their mobile platform, making it easier for on-the-go players. Apart from that, they also offer multipliers, so you have a chance to double your earnings or even more.

MONOPOLY casino also offers welcome bonuses for their new players. These bonuses can be used in slot games. The graphics are also remarkable on both their website and mobile platforms. They have impressive bonuses and jackpots, so check them out.

Mega Slot

Considered one of the leading sites, Megaslot Casino offers its players various casino games. Their slot games also boast high-quality graphics and generous jackpot prizes. They also have a feature where you can play free slots in their lobby. From classic slots to video slots, Mega Slot claims to provide an entertaining experience for its players.

Their bonuses also allow you to use them in slot games. They also have a loyalty program if you’re looking for casinos that offer one.


This sportsbook has made its name in the industry as it’s one of the largest sports betting operators in the world. Aside from sports betting, they also offer casino and slot games. BetVictor is the best place for you to play slot games. Their welcome bonus gives you free spins that you can try on their slot games once you sign up with them.

BetVictor online slot games are powered by well-known software providers like Microgaming and NetEnt. They have generous bonuses and loyalty rewards for their slot games, so you should consider checking this site out.

Red Kings Casino

Red Kings Casino has been in the industry for over a decade. Their games often cover live casinos, table games, jackpot games, and slots. When it comes to their slots, they offer over 800 of them. Video Slots like Starburst, Sweet Bonanza, Vikings Go Berzerk, and more are available to play in this casino.

Red Kings also promote fair gameplay, which is why they use random number generators for a random outcome when you spin. They are one of the best casinos that offer high-quality slot games, so you should sign up with them.


Grosvenor is one of the online casinos that use several software providers for their slot games. This allows them to offer their players a wide range of slot games. They have the classic 3-weel slots, the modern 5-reel slots, and video slots. They also have the jackpot slot, Mega Moolah, where you can win huge prizes when you win.

Grosvenor Casino also has a mobile platform, perfect for on-the-go players. If you want to check out their wide variety of slot games, visit their site now and check out what they have in store.

Best Payout Online Slots UK

Another thing to consider when looking for the best online slots is the fast payout. Seasoned gamblers consider fast payouts as contributing factor when choosing an online casino. The faster they get to withdraw their wins, the more interested they are to wage on casino games. However, in online slots, the best paying online slots UK are those with the highest Return to Player (RTP) rate.

Gamblers usually go after online slots with the highest RTP percentage. This means that online casinos that have the best game developers’ power are what gamblers go for. This is because the slots pay out more when the RTP is high. Here are some of the best paying slots online UK with the highest RTP.

  • Griffon Casino
    • Griffon Casino has the highest RTP rate of 97.45% in the Blood Suckers slot.
  • Ladbrokes
    • Ladbrokes is one of the well-known names in the gambling industry. They have the next highest RTP rate of 97.35% in the Big Bad Wolf Slot.
  • MrQ Casino
    • MrQ Casino has an RTP rate of 97.30% in the White Rabbit Slot.
  • Karamba
    • Karamba has a 97.26% RTP rate, with Reel Rush as their highest payout slot.
  • Grosvenor
    • Fifth off the list is Grosvenor Casino, with an RTP rate of 96.50% for the Extra Chilli Slot.

Some offer a high RTP rate if you prefer to play on video slots. Video slots are quite popular since they offer huge bonuses or extra payouts. Here are some of the video slots with the highest RTP rates.

  • Goblin’s Cave
    • This video slot from PlayTech offers the highest RTP rate among all the video slots, with a rate of 99.32%.
  • Ugga Bugga
    • Ugga Bugga has the next highest RTP rate of 99.07%.
  • Ocean Princess
    • Third off the list is Ocean Princess, with an RTP rate of 99.07%.
  • Ooh Aah Dracula
    • It has a base RTP of 96% and can reach up to 99% when you play it in Big Bet mode.
  • Tropic Reels
    • PlayTech continues to prove itself as a generous slot provider, as this video slot game has an RTP rate of 98.95%.

Winning at Online Slots

Now that you have an idea of the best online slots in the UK, including the best paying ones, the next thing you should consider is winning these slot games. Although slots are a game of chance, you still need a decent strategy to manage how you play.

Practice. If you’re still new to playing slot games, you should start by practicing those free slot games first. Get to hone your skills by taking advantage of what’s accessible.

Look for High RTP Rates. The first thing you can do is look for slots with high RTP rates. Slot games with RTP rates of 95% are already considered low so go for those over 95%.

Take Advantage of Bonuses. Taking advantage of the bonuses and rewards you get from playing slot games is another strategy to take note of if you want to win online slots. Also, take note of those slots with multipliers since they can double or triple your prize if you win the games.

Stick to your Budget. Spending lots of money on casino games can sometimes be tempting, especially if you’re on a winning streak. However, always stick to your budget. Those who excel in casino games know how to manage their money well.

Online Slots Real Money UK

When talking about real money gambling, you deposit your money and use it to wager in casinos or place bets in sports books. Most online slots also require real money for you to take advantage of their rewards and bonuses fully. If you opt to participate in slots with high RTP rates, you would need to wager the maximum amount to take advantage of them.

Although playing in free online slots can be considered safe, it won’t give you the chance to win real money. You can play on free online slots as practice, but once you get the hang of it, start playing on real money online slots.

Playing on real money slots also has more benefits in terms of rewards and bonuses. Start playing on progressive jackpots if you’re willing to take a huge step. This is considered a favorite in real money players. Although the risk is higher than in other slots, the rewards are also higher.

Microgaming’s Mega Moolah is also considered the top-paying progressive jackpot, so if you want to go all out, check this slot game out.

Mobile Slots

Although online slots are considered convenient since they can be accessed outside of land-based ones, mobile slots are even more convenient. The privilege of having to play slots anywhere at any time is something that casino players enjoy. One significant advantage of playing mobile slots is that they have a more comprehensive selection than land-based or online ones. Some mobile slots can also only be played through a mobile device.

Another advantage of mobile slots is that online casinos offer bonuses that can only be applied to mobile slots. Most of the time, these bonuses are welcome bonuses, meaning they prefer you to sign up through the mobile platform. Apart from welcome bonuses, there are also cashback bonuses when you play in mobile slots.

Lastly, another significant advantage of mobile slots is that you get to spend less money. Playing in mobile slots saves you from spending on other expenses like food, drinks, or travel. Mobile slots’ convenience and comfort can’t be compared as long as you have an internet connection and a mobile device.

Online Slots UK No Deposit

No-deposit bonuses are probably the most popular among all bonuses. It allows you to play various casino games without spending any money. You also don’t need to provide your bank details in the meantime. Online slots no deposit UK are usually played through free spins. When you sign up for a casino, they may offer you a no-deposit bonus with free spins as a welcome bonus.

Although no deposit bonuses are free, the downside to them is that they often come in small sizes. Still, since it’s free, you should take advantage of the fact that you can play casino games without spending your money.

Online slots with no-deposit bonuses also let you win real money without wagering yours in the first place. It would be best to consider looking out for no-deposit offers from online casinos. In addition to that, online casinos tend to offer no-deposit bonuses to build trust with their players. Playing for free in a casino is an even more enticing offer than when you need to make an initial deposit. This lets the players, especially the newbies, test whether they can trust the casino or not.

Getting the chance to play popular online slot games for free is also one of the advantages of no-deposit bonuses. If you want to look for online slots that offer these, here are a few UK online slots no deposit bonus:

  • Space Wins
  • Pocketwin Casino
  • Casino 2020
  • William Hill Casino
  • LeoVegasCasino

New Online Slots UK

Most online casinos, especially the best ones, would boast about how they would continue to add new games now and then. This also includes slot games. Although introducing something new may seem like a considerable risk, new online slots can quickly become attractive through the bonuses and promotions offered.

By offering free spins to try on new online slots, players can check whether they like the new slot game or not. Apart from free spins, deposit bonuses are another way to grab their interest. When you make a minimum deposit and get a considerable reward, this certainly makes you interested in checking out the new slot game.

For new online slots, sign-up bonuses with free rewards are what help them make their names known. Since there is still the need to build trust, new online slots opt for this method to let players know they can be trusted sites. This also makes players feel that new online slots are generous and think of their customers.

Online Slots Game Providers

Software providers are the core of online slots. They are one of the main reasons why online slots continue to operate today. When online casinos partner up with well-known game providers, they are considered the best in the market. Here are some well-known game providers for online slots to give you a quick background.

Play’n Go

Play’n Go started its operations in Sweden in 1997. It is an accredited game provider focusing more on creating appealing and high-end quality games. The games they offer are available to play on mobile platforms and accessible via Android, iOS, and Windows. Some of their top games are Book of Dead, Legacy of Dead, Rich Wilde and the Tome of Madness, Rise of Merlin, and Reactoonz.


Another well-known service provider, Microgaming, is probably the biggest one yet. It has powered numerous casinos and provided them with various games. They are utilized as a standalone software developer, proving the company’s massive size. Their top game, Mega Moolah, is also popular among casino players. Microgaming has other games that have become so popular that they now have their brands.


Evolution, the game provider leading the live dealer and casino games industry, promotes an immersive casino experience. The Malta Gambling Authority does not only license it, but they are also licensed to operate in Belgium, Canada, Romania, South Africa, the UK, and more. Some of its top games are Crazy Time, Lightning Roulette, Monoplay, Deal or No Deal, and Auto-Rolette.


The ones behind the popular game Starburst, NetEnt is another well-known name and one of the leading software providers. Casinos that partner up with them are also considered the top online casinos. This Swedish-based company has undoubtedly made its name known due to its innovative approach.

Pragmatic Play

A recent addition to the list of great software providers, Pragmatic Play has proved itself the best. Promoting fair gameplay is one of the reasons why they continue to stay at the top listed. Apart from that, Pragmatic Play also operates outside the UK. They offer content in 31 languages, and their games are available on mobile devices. Their top games include Gates of Olympus, The Dog House, Sweet Bonanza, Big Bass Bonanza, and Bigger Bass Bonanza.

Online Slots UK Reviews

Reading reviews about online slots in the UK can also help your decision-making. If you are unsure whether your chosen online slot is legitimate, you may continue researching it extensively. Online reviews do not only help new casino players but seasoned ones as well. With online reviews, casino players will generally learn about specific updates regarding the current casino sites.

Apart from that, look for reviews about software providers as well. Casinos that have well-known software providers are more likely to be trustworthy. However, with the rise in the popularity of online slots, more operators will continue to show up. When you do a background check on these operators, ensure they follow the regulatory rules provided by the Gambling Commission. You may visit the Gaming Regulators European Forum and the International Association of Gaming Regulators to learn more about this information.


How to win in Online Slots UK?

Online slots are more of a game of chance, so there is no clear way to win. However, you may increase your chances of winning if you have your strategy.

What are the Best Slots to play online in the UK?

The best slots to play in the UK have the highest RTP rates. Go for those with an RTP rate of 96% to 99.32%. Goblin’s Cave is a video slot with the highest RTP rate.

What is the best online slot website?

There are various online slot websites where you can choose. Blood Suckers slot game from Griffon Casino has the highest RTP rate of 97.45% among other online slot websites.

Where can I play slots for real money online?

You can play for real money in the online slots mentioned in this article. However, if you want to go for the top-progressive jackpot, go for Microgaming’s Mega Moolah, a standalone slot site or Coral Online Slots.

Can you play slots online in the UK?

Yes, you can play online slots in the UK.