Of course, there are no opportunities to win real money. However, you will also not put your own cash at risk.

Free slot games are available on both desktop and mobile in most cases. Given the demand for mobile slots, some developers create games that are specific to smartphones and tablets. Meanwhile, the majority of slots are now available on mobile devices, thanks to HTML5 technology.

One of the latest forms of slot available online is Megaways. Big Time Gaming was the first software provider to create such a game.

Today, many other developers have followed suit. Megaways slots come with up to , paylines, along with additional features, such as cascading reels, free spins and multipliers.

With this slot type, a proportion of each bet is added to the jackpot. As such, they offer large payouts, often reaching millions of pounds. However, with higher variance, your chances of winning are smaller. Now that you understand the different types of slots available, it is time that we discuss some of our favourites.

Below, we have given our top 10 slot games, along with a quick guide on how they work:. With an RTP of Bets can be placed between 10p and £ per spin, with the maximum win being 5,x your stake. With high volatility, players can look forward to regular payouts.

Starburst comes from NetEnt and attracts players thanks to its regular payouts, expanding wilds and colourful design. The RTP is The top win is x your bet, with a re-spins feature also being available. Released back in , Starburst features on many of the best slot sites in the UK.

Powered by Microgaming, Mega Moolah is a jackpot slot that features an African Safari theme. With 25 paylines, a maximum win of 1,x and two bonus features, there is much to like about Mega Moolah.

The RTP is just Mega Moolah holds the record for the highest ever jackpot win, at over £16 million! The first Megaways slot to make our list comes from Pragmatic Play. With up to 46, paylines, six reels and a top win of 4,x your bet, this is a remake of a popular video slot.

The underwater theme is nicely done, with both free spins and multipliers being on offer through bonus rounds. This slot also comes with a variable RTP, between Also from Pragmatic Play is Gates of Olympus.

Set on six reels, this highly volatile slot comes with an Ancient Greek theme. Bets start at £0. With a top win of 50,x, it is easy to see why many players enjoy this slot.

You can also trigger free spins and multipliers when playing Gates of Olympus. Arguably the most popular Megaways slot on the web is Bonanza Megaways. Developed by Big Time Gaming, this 6-reel slot features up to , paylines! With three bonus rounds, a 26,x max win and unique design, Bonanza Megaways is something of a cult classic.

There really are no faults with the game, with it being mobile-friendly too. Based in the lost city of gold, the aim is to find the El Dorado character. Launched by Microgaming in , Immortal Romance features paylines, a maximum win of 12,x your stake and four bonus rounds.

Such is its popularity, for some players there simply are no other types of online slots. Trigger the free spins bonus round to receive a 3x multiplier with the possibility of unlimited retriggers, while landing nine scatters wins you the jackpot.

Triggering the Cash Collect feature on reel 5 can lead to winning all cash prizes or activating the free spins bonus round.

Plus, there are four Cash Collect fixed jackpots available, determined based on a multiplier of your stake. There are probably more online slots based around mythology than any other genre - players will never tire of these mythological slots and game providers regularly release new versions.

I always like it when reel symbols tumble rather than spin, while winning combinations are paid then replaced by new symbols for additional wins.

Although four scatters are required to trigger the bonus round, you are rewarded with a generous 15 free spins to start. The clean graphics, smooth animation and eerie sound effects result in a truly immersive slot.

New releases of Ancient Egyptian themed slots often share common characteristics, including expanding reels, the potential to retrigger bonuses and opportunities to gamble each win. Skillfully remastered by Novomatic, Book of Ra Deluxe continues to entertain players, more than 15 years after its debut in land-based casinos.

It is still considered by many to be one of the best slot games on the market. But what sets 'Legacy of Dead' apart are its distinctive themes and advanced graphics, making it another favourite with slot players. Unusually for an online slot, the maximum win of 5,x can be achieved through the base game and not just the bonus round.

This is largely thanks to the multipliers that increase with each win, potentially reaching up to x. The simple, yet charming appeal of clean graphics and an easy to achieve free spins bonus round makes this NetEnt classic a joy to play.

Although not at the top of our favourite themes for the slots team at Gambling. com, there are a few excellently executed pirate themed slots bobbing around the lobby of many online slot sites in the UK. It gives you the chance to infinitely retrigger more free spins during the bonus round, complemented by a 4x multiplier.

Whilst those are the most common themes for online slots, UK players have endless options - from Dinosaurs to Dragons, Sci-Fi to Sweets or Vampires to Vikings. No matter your preference, there is almost certainly an online slot themed around it.

Launched back in , this exquisitely simple slot from NetEnt, is without doubt the most played online slot ever. These wilds remain sticky while triggering one or two more respins, a unique mechanic that has contributed to its enduring popularity.

Themed around the Yukon trail, Bonanza was responsible for a flurry of similar themed slots - all of which were literally trying to jump on the gold rush bandwagon.

Expertly crafted by Blueprint Gaming, this Stone Age-themed slot also boasts a high RTP of Pragmatic Play built on the success of Sweet Bonanza with this candy and gummy bear-themed slot, featuring an innovative 'Cluster Pays' mechanic.

Each win not only clears the screen but also increases the multiplier up to x and the bonus round awards up to 30 free spins, with unlimited retriggers available. Blending Steampunk and Wild West themes, Relax Gaming's hit slot has been so successful that it has spawned two sequels, with all three instalments offering a huge maximum win potential of up to 50,x your stake.

This slot is packed with a huge array of bonus features including Sniper, Collector, Collector-Payer, Necromancer, Shapeshifter, Absorber and Tommy Gun. Whilst the basic concept of most online slots is the same, many offer a unique mix of game mechanics and features that impact gameplay and potential winnings.

The base game is usually straightforward and you just need to choose your bet size and start spinning. The bet size, also known as the spin value, allows you to customise your play and tailor wagers to suit your budget.

The way it is calculated can vary for different slot games, but typically includes the following elements:. Most online slots require a minimum of three matching symbols to create a win, although some slots pay for matching just two of the highest-value symbols.

Traditionally, winning combinations are formed by matching symbols on adjacent reels, with the default being left to right although innovation has brought us a number of interesting payout structures, including:. The bonus round is usually triggered when three or more Scatter symbols are landed, which then awards free spins along with enhanced features and multipliers, such as:.

Top-tier software providers have had to up their game in recent years, facing ever-increasing competition from smaller studios eager to push the boundaries of innovation. This has led to an evolution in the online slot experience for UK players, who have access to an unprecedented selection of online slot software, each aiming to deliver a distinct and memorable gaming experience.

Below we have listed the current top online slot game software providers, if you want to dig even deeper check out the Gambling. com guide for leading gaming software providers in the UK:. With beautifully crafted games like The Dog House, Gates of Olympus and Buffalo King, Pragmatic Play treads a fine line between playability and volatility.

Their online slots, while exciting and immersive, can be bankroll-hungry offering lower RTPs. Pioneering the Megaways game mechanic, Big Time Gaming has revolutionised slot development over the last decade, with innovative titles like Bonanza Megaways and Extra Chilli Megaways setting new standards in the industry.

This mechanic has now been licensed to other top software providers, rejuvenating many classic slots with a fresh twist. Once the leading slots provider, Microgaming still boasts a vast library of top titles, including Immortal Romance, Game of Thrones, Lara Croft and Jurassic World, along with other familiar licensed slots.

Notably, the two biggest progressive jackpots series WowPot and Mega Moolah are both exclusive to Microgaming slots. As one of the early pioneers of online gaming, NetEnt has set numerous records and their iconic Starburst remains the most popular online slot to date.

Here are the top 15 best paying slot games in the UK ranked by their advertised RTP Return to Player percentage. The RTP percentage is a factor to consider when selecting which online slots to play.

This provides an estimate of the expected returns over an extended period of time. It does not indicate the outcome of any individual game session. But by choosing the best paying online slots with higher RTPs, you are likely to get more value for your money over the long run and maximise your bankroll.

However, some players prefer online slots with lower RTPs and higher 'max wins' or the allure of massive progressive jackpots. For example, despite Mega Moolah 's RTP of Slots tournaments add a competitive edge to spinning the reels, with additional rewards above and beyond regular slots gameplay.

In these scheduled tournaments, players compete against each other to win cash prizes or other rewards. While each slots tournament has its own rules, the goal is always to accumulate points to rise up the leaderboard.

With a monthly prize pool of £2 million , this promotion offers prize-paying positions on weekly tournament leaderboards, plus random daily prize drops:. Our team especially like the random daily prize drops which give everyone who plays a chance to win, not just those who make it onto the weekly leaderboard.

For beginners and seasoned players alike, playing online slots can be an exciting and potentially lucrative pastime. To maximise your enjoyment and improve your chances of winning, here are some key strategies and tips to consider:.

Understand the Basics: It's good to grasp the basics before you start playing. Understand what paylines, reels and symbols mean.

Learn about different types of slots — classic, Megaways, progressive jackpots and more. There's also a Money Collect symbol the bass , and all the fish you collect in this time will pay double.

Land 4 more fishermen, and the fish will triple in value! Big Bass Bonanza is a highly volatile slot but with high risks come great rewards.

The maximum win at the highest stake comes out at more than half a million and the average RTP percentage is a great Playing Rainbow Riches, no one would ever know that Barcrest released this game 14 years ago.

This is partly due to the stunning visuals, but also due to the great number of features this slot offers. If you find yourself on the Road to Riches, a leprechaun will spin a wheel and you move along the road, collecting win multipliers as you go along.

Landing three wishing wells will trigger a different game where you can win x your stake if you choose the correct well. The Rainbow Riches Pots of Gold is yet another separate game within the slot. You will see a leprechaun surrounded by 12 pots of gold, silver and bronze. They each carry a different value and will spin around the leprechaun until one stops next to a pointer.

Just like in the Wishing Well game, you can win a maximum of x your stake in this round. We've gone ahead and chosen the best online casino where you can play this game. You'll even get 30 free spins on the game after your first deposit, so what are you waiting for?

Rounding off our list at 10 is another game from the Fishin' Frenzy series. For this slot, Blueprint Gaming has added the Megaways mechanics, bringing the ways to win up to 15, The setting of Fishin' Frenzy Megaways is similar to the other slots in the series but you will still find some new twists.

A smiling fisherman acts as a wild symbol and can act as any other symbol bar the sailing boat. If the boat lands in 3, 4, 5 or 6 spots, you will be awarded up to 25 free spins. In the bonus round, the fisherman can help you catch some pretty big wins when he catches some fish.

The fish comes in 7 different sizes and each size carries a money value that ranges from 2x to 50x your bet. It is also possible to multiply your wins if more than one fisherman appear at the same time.

Brick-and-mortar casinos just wouldn't be the same without the electric buzzing and beeping of slot machines. Winners jump for joy as their winning coins rattle against the payout tin and the whole thing has a certain old-school charm about it.

But whether you are young or old, playing slot games brings fun, excitement and of course chances to win great prizes regardless of your age and gender. Thanks to the best online slots, you can now spin the reels at any time and from anywhere. There is no longer the need to book a trip and wait for your next holiday to go and spin the reels at a land-based casino.

The best casino slots in the world are now available on your computer or mobile device. So you can play from your couch in the evening, from the office during a lunch break, and even on the train on your way home.

If are an experienced slots player that is familiar with the gameplay and settings, you will find in our Gambling. com guide insights that will take your slot experience to a whole new level.

If you are new to slots, our guide will teach you everything you need to know in order to jump into the exciting world of online slot games. Start today with online slots and play on the device of your choice.

Online slots are simple, convenient, mobile friendly, and give you the chance to win real money. No wonder online slot games are increasing in popularity with players of all ages and experience levels across the UK.

Our slot experts at Gambling. com review new slot games every week. They have years of experience having played the best online slot games in the UK.

Although every slot provides an entirely different gameplay experience, we put each game through a rigorous review process that allows us to bring you objective conclusions.

We also add to our reviews the subjective opinions of our experts and their likes and dislikes of each casino slot. Here are a few areas we look into when writing our reviews. Slot games have come a long way from the early day fruit machines.

The move from slot machine cabinets sitting on a land-based casino floor, to online slots on a website or app continues to push change and innovation.

Beyond the benefit of playing anywhere and at any time, now players can also enjoy many different online casino slot options. For example:. Online video slots allow for a diverse range of gameplay. From games that imitate classic slots, to more hi-tech video slots that offer an immersive experience.

Players can now enjoy titles that boast 3D graphics, state-of-the-art animation and cinematic sounds. Whereas classic slots often feature recognisable symbols from fruit machines, video slots mostly create their own symbols and icons based on a game theme and storyline.

Classic slots are more traditional and usually offer 3 or 5 reels and follow the popular playline structure with some variations. Video slots tend to come with 5, 7 and sometimes 9 reels.

They offer multiple paylines, bonus rounds, and players can enjoy , and in newer slots even ways to win. Many video slot developers license the rights to use of characters from hit movies, popular TV shows, and even comic books.

We review the best slots to play in the UK, emphasizing games that offer genuine chances to win real money. Online slot games are the most 1. Mega Joker — 99% RTP Mega Joker from NetEnt has been around for more than a decade. Though it's a relatively simple game with just three The Best 8 Highest RTP Slot Games to Play · Highest RTP Slot #1 – Mega Joker - 99% RTP · Highest RTP Slot #2 – Blood Suckers - 98% RTP · Highest

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