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Best Slots Sites in the UK - Updated December 2023
At SirSlot, you will find all the top slots sites reviewed in detail. The most popular online slots are available at most casinos which gives you a fantastic selection of slot sites to choose from.
Slots are easy to play, fair, safe, and the height of casino entertainment. With so much choice, landing on the best slots and places to play is not an easy task, Sir Slot can help.
We scrutinise gambling platforms and list the best online slots and sites for every type of gambler. Our lists comprise safe, secure, and licensed online slot games and real money slot sites in the UK. Plus, you can play loads of great slots for free right here.
Use Our Online Slots Filter to Find The Perfect Games
What are the most important criteria for you? Is it the design of the casino’s website? Is it the possibility of instant withdrawals? The number of slot games stocked? Big bonuses? Or is mobile-friendliness?
Once you know this, Sir Slot can help you find the perfect UK slots site amongst the 100s of options available. Load up our games filter, put in your criteria and away you go.
Most casinos feature hundreds if not thousands of online slots. Usually, you can filter these by the game provider, such as NetEnt or IGT, if you like a particular style of game.
Casinos often feature their most popular games and their new games in separate sections, so you can try out something well-established that guarantees a good experience or navigate through uncharted waters - the choice is yours, but enjoy the chance to play for free at Sir Slot first.
Why Play Online Slots UK?
- Online slots are amazing fun to play and you can win real money.
- Online games provide easy access as you can play from any location and device. Gone are the days of queing to play at a slot machine in brick-and-mortar casinos.
- Software providers compete to release online slots that resonate well with gamblers, so there's always something new and exciting to play.
- Advanced technology and high-quality graphics ensure that online slots that deliver an authentic and awesome gaming experience.
- Newbies can practice playing and hone the skills required before staking real money.
- Slots do not demand complex skills to win as they are games of chance, meaning that they rely on luck.
- Online gambling is now more convenient than before, with affordable smartphones and high-speed internet. You can sign up with a reputable gambling platform and play slots anywhere.
Types of Online Slot Games
Online slot machines are created in varying versions and with different math models, building an authentic casino experience for every gambler. At the top platforms, you’ll find slots of every kind. Below are the most common.
Video slots are gamblers’ favourites having regular bonuses, extra features, convenient paylines, and quality themes. Video slots are immersive games featuring multiple bonuses like reel mechanics, free spins, re-spins and wild features.
As the most popular type of slots game, you’ll find themes to cover every subject in this sector; whether you’re looking for ancient civilisations or futuristic gamescapes, video slots are where the action and most cinematic graphics can be found. This type of game usually uses a 5x3 reel set-up, but this can change. Dive straight in and learn more about slot game features here.
Progressive slots have an engaging style and playability and are understandably among the most popular slot games online. When playing progressive slots, you have a chance of winning hundreds of thousands or even millions of pounds.
There are different types of progressive games:
- Local progressives: When the same game is played by many in one particular casino. Everybody who plays it in that casino contributes to the pot.
- Network progressives: When the same game is played in different online casinos, everybody who plays the game at any participating casino contributes to the pot.
At your chosen slots site, you will likely see a separate section for progressive jackpot slots. You will be able to see the current jackpot level, so it is easy to compare one game to another. However, before committing to the game, always read the game description to make sure you know the rules.
You will often have to wager maximum bets to participate in the jackpot game. Play games where the jackpot hasn’t been won recently to have a shot at the big money. The best slots casinos offer popular progressive slots titles where millions are at stake, such as Mega Moolah or Mega Fortune.
Classic Slots are designed for players who are attracted by simple gameplay. The slot classics have straightforward playability, traditional graphics, and a low to high variance. If you like the more retro games or the idea of playing the more original one-armed bandit style of slots, these are the games for you!
New Online Slots
At the best slots sites, new slot games are added every week - so you’ll never get bored of the titles on offer. This is one of the best things about online slots sites in the UK - the huge selection of games.
Here on Sir Slot, we add new slots games to our list as they’re released, and we also tell you the best slots sites to play them at.
The amazing thing about slots is that they can be so varied. You can choose a theme that interests you or choose according to the number of paylines, whether it features a jackpot or which game provider produced the game.
Whenever we find a new slot game, we compare it to other slot games in terms of RTP, unique features, sound and graphics, prizes and jackpots. We will tell you if it can be played for free and mobile-compatible. Our list of new games, of course, changes regularly, so come back to it often to make sure you don’t miss out on anything.
Big Time Gaming’s Bonanza was the first-ever Megaways game, and this exciting invention raised the game producer into a leading position among its competitors.
Now other producers such as NetEnt and Pragmatic Play also produce Megaways games using the license from BTG, so chances are your favourite online casino will have at least a few Megaways games. Megaways games are popular as they usually come with a healthy RTP. If you haven’t tried these games yet, you definitely should - and you might just ditch the traditional games afterwards.
What is special about Megaways games? The number of paylines changes on every spin, as the number of symbols on every reel can increase or decrease freely.
Gonzo’s Quest Megaways and Bonanza are among the most popular Megaways titles, but new ones come up every so often, so keep checking our list to see if there is anything new that piques your interest. Several Megaways slots can be played using a casino bonus, so you might be able to try out these exciting games for free, with a chance of winning real money.
Online Slots That Payout Most
Here on Sir Slot, it’s easy to find out the payout percentage (RTP) of each game so you can compare one to another. Online slots games have a higher payout percentage than brick and mortar ones, which means you have a bigger chance of winning when you play online.
The same game might have slightly different return to player figures in different casinos, so it is worth shopping around before starting the game. On Sir Slot, we only recommend online slots sites licensed by a reputable regulator who will ensure that they don’t tamper with the RTP figures.
Payouts can mean many things. You can select games that have the highest jackpots, the highest RTP, or the ones that payout the most frequently. If you are going to wager a lot of money, go for the jackpot games for a chance to win a life-changing amount, but if you are playing just for fun, you can choose a low volatility/variance game where your money will last a long time.
Generally, you should only consider games with an RTP of over 90% - but the higher the number, the better.
How to Choose the Best Slots Sites?
The online space has created avenues that didn’t exist before, meaning more choice and availability. The main objective of every gambling operator is to bring convenience to customers everywhere. While most gambling sites have the proper aim of creating a platform where gamblers can play and win real money.
Some online slot sites are set-ups meant to con gamblers by denying winnings or exposing sensitive information. The skyrocketing number of internet casinos has confused many in choosing a legit slot site. Before hitting the sign-up button, consider the following factors, or use our casino reviews to guide you.
1. Check for a Casino License
Reputable gambling authorities license every legal real money gambling site. The role of a gambling authority is to ensure that an online slot is safe and secure. The entity can scrutinise the online casino before handing over a license, and once they’ve given a license, they regularly audit the site and provide a complaints procedure.
Experienced gamblers check license availability by scrolling down the bottom of the site. Gambling licenses are provided by:
- The UK Gambling Commission,
- Malta Gaming Authority,
- Isle of Man Gambling Supervision Commission,
- and Curacao Gaming Commission.
The legal prerequisite of online casinos shows that gambling platforms provide fair gameplay, fair policies, and regulations that verify the identity of gamblers. In addition, licensed online slots guarantee payments made are handled and administered appropriately, without bias. An online slot site must be licensed by the UK Gambling Commission to accept UK players.
2. Online Slots Free Spins
UK Online slots are popular since they offer players a chance to play for free. You can sign up to reputable sites and begin playing demos without staking real money. Genuine sites offer free-to-play slots to help newbies learn a few tricks using the demo version. The free play platform provides a scope of what to expect in the real version. Slots occupy a significant space in the casino libraries, so you have a chance to explore, practice, and choose the best slot games.
3. New Player & Loyalty Offers
Casino operators have realised how freebies generate multitudes to flock in their platforms. Everyone loves freebies, so casinos with bonuses, free slots, and online slots with no deposit bonuses will always have many players.
The online gambling market is very competitive in the UK and across the globe. Standing out from the crowd demands enticing gamblers with free loyalty offers, bonuses, or free spins. Various types of bonuses motivate gamblers to hit the sign-up button.
The best online slots UK offer free spins, no deposit, deposit, or welcome bonuses to help gamblers gamble without putting their money at risk. In addition, loyalty offers are awarded to long-time casino players through a loyalty program, meaning when you reach a particular milestone, the gambling platform rewards you with loyalty bonuses. Having a loyalty offer maximises the gambling experience and keeps players on site.
4. Mobile Casino Slots
Top industries have recognised the power of mobile phones, and the casino industry is one of them. Online casino games and slots are designed to offer convenient gameplay for all mobile phone users. Well-performing slots and casinos have seamless interfaces that run smoothly on smartphones.
It is an incredible experience to log in or sign up and play various games at ease using a mobile phone. Mobile gaming is a playing habit that has gained dominance in the UK. In addition, some operators have introduced casino apps that help you access your favourite games. However, many gamblers do not download casino apps. Instead, they prefer playing via reputable gambling sites.
5. Payment Methods at Slots Sites
Gamblers play slot machines for entertainment and to win real money. If you decide to play online slots for real money, you’ll need to deposit some cash. The best UK online slots sites have various payment options that boost convenience in gambling.
However, choosing a mode of payment depends on how you can use it, the fees attached, and transfer times on withdrawals. In most cases, the best casinos offer fee-free withdrawals that are lightning-fast. Here’re the most common payment methods you’ll find at online slot sites.
Debit cards are popular methods of payment used in online gambling. They include VISA, Maestro, and Mastercard. You’ll enjoy instant deposits but wait for 3-5 days to receive winnings. During the sign-up process, players are requested to register their debit card by entering essential information when making a deposit. The registration is a simple process that demands the long number on the front, expiry date, and 3-digit security code of the gambler’s debit card. Deposit limits for this method are $10-$10,000 at a time, and withdrawals are accepted.
Examples of common e-Wallets accepted by gambling sites in the UK include PayPal, Skrill, and NETELLER. The virtual account stores cash from multiple sources. When using an e-wallet, players are not required to share their card details with online slots websites when making an initial deposit or withdrawal. Players are allowed to make an e-Wallet transfer using an e-Wallet email address.
The mode of payment is fast and anonymous. An e-Wallet payment is considered to have a rapid withdrawal speed that takes 12-48 hours. The procedure of using an e-Wallet is straightforward. Players open their e-Wallet account and choose the method once they get to the online slot cashier. They enter the amount they want to bet and input their online site password. The final step is to be redirected to the e-wallet website to complete the transaction.
Prepaid cards are a mode of payment used by various online slots. They are alternatives used at online casinos that hardly accept traditional debit or credit cards. In addition, they are similar to debit cards, where players can load them with funds from alternative sources. Deposits are later made online using the Visa or Mastercard option. However, some online casinos offer prepaid cards.
Some players make deposits using a prepaid voucher such as Paysafecard. Gamblers use the free-to-use platform to make deposits from as low as $5 at once. Paysafecard is preferred by many gamblers who dislike saving their debit or credit card details. Players can get a Paysafe card online and use a unique card number to make payments at once.
New Slots Sites vs Traditional Slots Sites
Many gamblers fall into a dilemma, not knowing whether to sign up to established casinos or new attractive sites launched more recently. There are advantages and disadvantages to new online slots sites.
Pros of New Slot Sites
Online slots casinos are emerging every day. Some are small branches from the established online casinos, while others are new in the gambling space. It’s safe to sign up with new sites as long as they have a license.
New casinos are busy looking for newbies thus offer lucrative bonuses and plenty of the latest games. The main objective is to stand out from the crowd by luring more gamblers with attractive incentives or better service. Players also benefit by having the latest mobile apps that offer customised lobbies every time they play online.
Cons of New Slot Sites
New sites established just several weeks or months ago have not had time to win the industry awards that build trust among gamblers. Therefore, it is not guaranteed that a new slot is reliable.
Before hitting the sign-up button, players should check the site’s license (available at the bottom of each platform), the name of the operator, and the terms of software providers. In addition, take a look at whether the interface supports mobile gaming. Lastly, look out for deposit and withdrawal fees and other predatory terms.
Slots Sites with More Casino Games and Sports
Some online casinos have only online slots, while others have slots and table games. The best online slot sites UK offer a mix of online slots, traditional casino games and live dealers such as roulette, baccarat, blackjack and poker.
Today it is possible to try out games for free before staking your money, which is an invaluable chance to test out different games and gambling sites. Online casinos also offer a variety of lucrative bonuses and promotions, so there’s plenty to gain. Some gambling platforms offer a welcome bonus equivalent to your first deposit - a matched deposit deal. You can also join a VIP scheme and earn points for each game or an online place.
Various online sportsbooks offer casino games and slots alongside their usual offerings. You can use your sports betting or table games bankroll to play their favourite slots and vice-versa at these sites, which is a significant plus point for gamblers of all stripes.
However, online slots sites tend not to offer card games or sports betting. They only offer a vast selection of slots that is bigger than in online casinos. In addition, players enjoy a variety of slots bonuses, including free spins and tournaments.
How to Choose the Best Real Money Online Slots
After landing on the best online slots sites in the UK, the next step is to get the best real money slot games that will keep you entertained all along. Below are a few hacks to find the best online slot games that give an authentic casino experience.
Play High Return to Player Slots
The Return to Player (RTP) is defined as the percentage of bets paid out. Various online slots have an RTP of about 93-96%. A slot machine with an RTP of 93% will return $93 for every $100 wagered on average.
You can find the RTP within the game paytable information. However, websites that write reviews pay attention to RTP, hit rate and volatility, considering how often and how high payouts occur.
Find the Best Software Providers
Software providers play a significant role in creating a successful online slot site. Software providers make seamless games and release online slots with high-quality graphics that create a real casino experience.
Slot providers are usefully listed in the casino lobby. Some online slot sites allow players to search games by provider’s name to help you quickly land on your favourite slots.
There are factors that every gambler should consider when looking for good software providers. They include:
1. License from Reputable Gaming Commissions
Software providers need to obtain a license from gambling regulators. A permit helps in ensuring that the online slot site is secure and fair for all gamblers.
Licenses are expensive to get, and software providers are keen not to engage in rogue gaming platforms. If software providers are caught engaging in illegal sites, they risk their licenses from being revoked. Regulators set charges high to tame cybercriminals who have the wrong motive of starting an online casino business.
2. Independently Audited Games
Good software providers have proof of creating casino games. Many players are fond of playing games designed by software developers with an excellent reputation. Online casinos are equipped with a large number of games. Many gamblers search for online slots by software name to quickly land on their preferred slots.
3. The Seamless Interface on Mobile Phones and PCs
Mobile technology is taking over the gambling industry. Gamblers log in to various online platforms and play their favourite slots at their convenience. Reputable software providers ensure that gaming platforms are compatible with mobiles and PCs. They create a seamless interface that loads faster on PCs and mobile phones, ensuring gamblers achieve a convenient gambling experience. Mobile gaming is ruling the world, and software providers who fail to release an interface compatible with mobile phones prove unreliable for modern gamers.
4. Variety of Slot Themes and Quality Graphics
Well-performing software providers create real-life online slots themes with quality graphics to attract players. Gamblers will always go for quality slots games, and software providers discovered the trick a long time ago. Art speaks volumes by influencing players’ thoughts and emotions, taking them on a more realistic casino journey. Slot themes represent the game quality, thus providing an immersive gaming experience to gamblers. The more an online slot has quality graphics, the more gamblers pay attention, and its quality represents the game’s worthiness.
5. High RTP and Ranging Volatility
Good software providers create games with a high RTP. The Return to Player indicates how much a bet on average a gambler can be paid back by the slot over long-term play. Gamblers go for titles that are likely to pay them more money. However, if the online slot is volatile, players can take many spins before hitting anywhere close to accurate RTP.
6. Variety of Slots, 5-Reel Games, and Progressives
Software providers with a variety of slots and progressives are considered the best. Their experience in the gambling industry is top class. Microgaming and NetEnt are considered the best software providers that offer many progressive slots. In addition, software providers develop promotions available at online slots sites. They also deal with casinos to offer progressive jackpots and handle payouts.
Online casinos have different types of software providers. An excellent online slot has two to three software providers. Examples of high-esteemed software providers include Microgaming, NetEnt, Playtech, Quickspin, Scientific Games, iSoftBet, and Play’n GO.
Turn Up the Tension with Slot Tournaments
Online slots tournaments put gamblers against one another, adding an extra challenge and a new level of entertainment and are a great way for online slot players to earn more potentially.
They are competitions held on certain games at casinos. They motivate many gamblers and inspire many to compete for the prize pool. The completion factor in slots tournaments into a game of beating your colleagues, and the participant/s who has earned the most money in set time ends up winning.
How to Play and Win Online Slots Tournaments
Most reputable casinos offer tournaments. Games are listed on the promotions section, where every gambler can view them at ease. Tournaments are usually held for one or two days or hours. Players use free spins or the bankroll to participate.
During tournaments, the entry buy-ins are typically low. The entry fee is usually $1, but it may change depending on the match. If the cash prize is $500, a gambler can earn the jackpot prize with an initial payment worth $1. Only a few online casino games boast such kinds of returns, so it's well worth taking a shot and competing.
During a tournament, you're playing for points with the amounts scored by every player displayed from the highest to the lowest on the leaderboard. There’s nothing quite like the thrill of seeing your name scoring high, given the amount of money that is up for grabs.
The winning participants are awarded cash, bonuses or free spins depending on their finishing status and the tournament’s rules.
Play the UK’s Best Online Slots Now
Now you know everything there is to know about UK slots and slots sites, you’re ready to roll. Pick a casino or game from our toplists, and start playing.Toplist coming soon..