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The way we evaluate and review online slots sites
Here at Casino.xyz we’re dedicated to bringing you all the latest news and reviews of new casinos 2020. Our team of reviewers are experts in their field, and they know what to look for in slots sites UK. So that they can deliver you up-to-date lists of trusted top casinos from all over the country.
But what do our experts look for in a slot site? And how do you know which slot casinos are right for you? Sit back and let us take you through the magical world of slot gaming, with our extensive guide to UK slot sites in 2021. With our help it’s easy to find the best online casinos UK.
Large number of games
The first thing that our expert reviewers look for in great online slots sites is the game selection. All good online gambling sites will offer their customers a wide variety of games, and this includes lots of slots. With new games coming on to the market monthly, players can enjoy old classic slots as well as fantastic new ones. And the best casinos in the UK will have a massive slot selection for you to choose from.
Our experts check each casino’s game list, to make sure you’re getting the very best games that the industry has to offer. So always check our lists of trusted sites to see where has the latest and best slots games.
Many slots games vendors
Having a large game selection is key to keeping casino customers happy. But our experts also look at who is providing these games. Many of the best casino UK sites sites get their games from multiple software providers, so that you have access to new and fun games all the time.
Software giants like Micrograming, EntNet and Playtech, to name a few, are at the cutting edge of technology. And a fantastic casino will have games from all these providers, and more.
Plus, because the casinos that we work with are all licensed by the UK Gambling Commission (UKGC), you know that you’re playing top games from great providers at a safe and secure UK slots site.
Great casino bonuses are half the fun of playing at a slot UK site. From welcome offers to loyalty programs and VIP lounges, a good casino will take great care of their clients. And did you know that some casinos offer specific bonuses for playing UK slots online? These can be in the form of no deposit bonuses, where the casino gives you real money to play with. Or in free spins, where you can play slot games without spending a penny of your own money.
Slot bonuses are a great way to try out new and exciting games without risking your own cash. Take a trip to Ancient Greece, or take a deep-sea dive to an underwater kingdom. The possibilities are endless at the UK’s best casino sites. And you can try them for free with a great slots bonus.
As with any bonus, always check the T&Cs before signing up. The best slot sites for winning are those that have low wagering requirements on their bonuses.
Aspects to consider when choosing an online slots casino
So now you have a good idea of how our experts carefully review each casino that we list. But what should you be looking for in UK slot sites? And how do you know which are the best casinos for winning?
Let’s take a look:
- The slots bonus offer: very important! The best casinos will offer you a the best slots online UK bonus. Check out a casino’s welcome offer, to see what bonuses you can snap up. Look for a no deposit bonus or free spins. That way, you can try out new and exciting games without spending any of your own money. Make sure to also check what loyalty and VIP programs the casino offers too. So that you can pick up extra rewards for playing at the same site often
- Terms and conditions: it’s easy to get blinded by the great games and incredible bonuses that a casino site is offering you. But you must read all the T&Cs before playing at any casino. These terms and conditions are very important, because they outline which games you can play and how your bonuses work. Note that some games may be excluded from your bonus offer, so you must read up on exactly how you can use your bonus to win
- Wagering requirements: these refer to how many times you must play a game before taking out your winnings. Unless you’re playing at a casino with no wagering requirements (these are quite rare!), you will have to fulfil this requirement. For example, if you see x30, this means that you must wager your stake at least 30 times before being able to claim any cash prizes. It’s important to understand these wagering requirements, as well as the other T&Cs, so that you can get the most out of your casino experience
The different online slots games
So now you know all about what to look for in a great slots casino, and how you can set yourself up for a win. But what online slots should you play? And what are the differences between them?
With so many amazing slot games around, you’ll be spoiled for choice. So here’s our rundown of the different types of slot games that you can play today:
3 reel slot machine
This is the original, and some would argue, the best slot game. Great for people who are just starting out with these games, 3 reel slots are the simplest version to play. As the name suggests, on these games you have 3 reels. And they will all have different symbols on each reel. The aim is to spin the reels and create a payline, which is where the symbols match to give you a reward. Simple!
The original 3 reel slot used to pay out in chewing gums. Hence the pictures of fruit on the reels. These referred to the different flavours of gum that you could win. And, although they now pay out in cash, 3 reel slots often still use these symbols today. In fact, the cherry symbol is probably the most well-known symbol of all slot games.
3 reel slot games are easy to follow, and usually produce paylines from left to right. A classic slot game for you to start your slots adventure!
5 reel slot machine
Next we come to 5 reel slots. As with their 3 reeled cousin, this slot game works in the same way but with, you guessed it, 5 reels instead of 3! The great thing about having 5 reels is that they are more fun to play. Plus, with more symbols on more reels you have even more chances to win.
Plus, because you have 5 reels, this means that you can create more paylines. So your chances of winning big are increased.
High payout slot machines
It’s easy to get very excited by the term ‘high payout’ when looking for slots games. But this might not mean that the game pays out high amounts of money! Instead, high payout usually refers to something called return-to-player (RTP).
RTP is the percentage of money that a casino expects a player to get back by playing one game over an extended period of time. So, if you see a game that has an RTP of 50%, this means that you would usually get back 50p from every pound you spend.
Luckily, RTP on slots is a lot more than 50%! In fact, many slots give you over 99% RTP, so your chances of winning your money back are huge. Most casino sites will display the RTP for each game clearly on the screen. And it’s a good idea to check it before you play, so that you know what to expect from the game.
A pub classic! Most people will remember the classic fruit machine, sitting in the corner of your local boozer, flashing its lights and tempting you to play. ‘Fruities’ are still found in UK pubs today and, lucky for us, they’re so popular that they’ve been converted into online versions.
If you want a taste of old British pub life from the comfort of your own home, then why not look for a fun fruit machine game? You can find the classic 3 reel fruit machine, with holds and nudges. As well as exciting new versions at your favourite online casino.
Fruit machine slots tend to pay out often, but in smaller amounts. This is great for if you love playing slots but don’t want to risk a lot of money in one go.
Video slot machines
Gone are the days of having to visit a land-based casino if you wanted to play a slot machine. With the invention of video slots, you can now enjoy all the thrill of slot machine games right from your own home.
The best thing about video slots is that, without the confines of having to build a physical machine, there’s no end to what software providers can produce! With stunning visuals and cool sound effects, video slot games have revolutionised the gambling industry. And slots games are now the most popular casino game in the world. This is thanks, in large part, to the best software companies bringing out fresh new games every month.
And with the best brands working on them, slot games have reached levels that wouldn’t have been possible in the past. There are literally thousands to choose from. And with every theme you can imagine. For example, NetEnt has partnered with various brands over the years and created slot machines based on rock band Guns ‘N’ Roses as well as popular movies like Jumanji.
Plus, over the years, payline patterns have changed to give you even more chances to win. As we said, with a classic 3 or 5 reel slot machine, the paylines would be created from left to right. But with the birth of video slots, providers have broken all the rules! And now you can create paylines left to right and right to left. As well as horizontally and diagonally. With so many ways to win, it’s no wonder that video slots are dominating the casino world.
3D slot Machines
Finally, we come to the future of online slot machines. 3D slots are an immersive experience, with the best graphics and cutting-edge tech around. With big movie themes, characters and even storylines, you can let yourself get completely lost in a world of slot machine magic!
Our experts predict that top slots games with 3D graphics are going to become even more popular over the next year. So make sure you check back with us for all the latest news and reviews of which casinos are offering 3D slot machine games.
Online slots payout information
There are commonly 2 main ways that players can get an idea for how much and how often a game pays out. Neither is a guaranteed figure but they can offer some insight into how the game payment works.
Sometimes you’ll hear people refer to a game’s volatility. And you will also hear it referred to as the variance. There may have been some distinction in the past. But today in general, both terms refer to the same thing.
The volatility refers to the frequency of payouts from a slot and is a good indicator of the size of those wins. When a game is highly volatile, it means that you won’t see many wins come your way. This may seem like a terrible game to play. But you need to remember that it will offer bigger payouts than its counterparts with much lower volatility. Lower volatility offers regular but smallish wins.
RTP stands for return to player. This figure is used to calculate the winning potential of new online slots. It’s given as a percentage and shows how much will come out of the machine compared to what goes in. It is always under 100% as a game wouldn’t be profitable for the casino if it paid out more in winnings than it took in bets. It is a business after all!
It’s a slightly strange figure to place a lot of stock in. If you take it at face value, then this figure effectively tells you how much you will lose! A game with an RTP of 97% says that for every £100 you spend, you will only get back £97. Not the best way to manage your bankroll in our opinion.
The figure is calculated for fairness purposes and shows a regulator that slots sites aren’t ripping people off. They can make a profit but not completely drain everyone’s cash. Therefore, this percentage takes into account the result of hundreds of thousands of spins. And it will likely include the spins from hundreds of players. Some people will win and some will lose. And this is true regardless of the RTP.
New slots sites in the UK 2021
There are loads of top new slot sites UK where you can get all the best UK online slots action. Our reviewers are working harder than ever before to keep up with the number of new brands coming onto the market. And they’re loving every minute of it!
We learn everything there is to know about a site before presenting them to you here on this page. There are many elements that make a top online casino. And we think it’s important that we look at every single one thoroughly to ensure that it meets your expectations.
Check out our list of new slots UK sites that have made the cut and are ready and waiting for you to sign up for a new account. Don’t forget to choose your welcome offer carefully to get the most out of the experience.
Free slots or real money slots
Getting started at a casino is a super fun experience. But, among all the excitement you’ll often experience the nerves of not knowing how things work. That’s perfectly normal, and even more understandable when you consider that it’s your hard-earned cash on the line.
Casino games should try to be as simple as possible so that everyone can benefit from the enjoyment on offer. However, video slots are generally fast-paced and packed full of sights and sounds that get the adrenaline flowing. All of this can make it hard to work out what’s going on. So what’s the answer to your conundrum? The no deposit slots!
No deposit slots
The best way to work out how a slot works is to try it out first for free. These demo versions will allow you the chance to play through any number of spins at your leisure. You’ll be given thousands of free coins to play with, and there’s no risk to your wallet.
Many game producers will try and pack as many different features and bonuses as possible into their latest games to make them stand out from the crowd. If you are able to try it at your leisure, then you see all the little features included without any pressure. After that, you can move on to the real money versions and try to win yourself some cash.
Real money slots
Playing on the demo versions is great for practice, but what you’re after is a nice winning streak, right? Before you go throwing your money at the first machine you see, it’s wise to take a few things into account first. Not all slots are the same. Apart from the obvious visual differences, there are things going on behind the scenes that affect how they play. They design some slots to pay out regular small amounts, while others keep you hanging on for larger amounts but less frequently. This is a perfectly normal part of the production process. Therefore, you need to check out the volatility of a slot to see if it fits with your style of play.
Another important factor when you play slots with real money is the bonus features that are on offer. Some players prefer an uncluttered game with very simple gameplay, while others like the buzz of prize drops, cascading reels and scatter pays. Whatever your preference, make sure the game’s right for you so hopefully you can win some decent prizes and have a load of fun in the process.
Slots bonus explanations
One of the great things about the huge increase in online casinos over the last few years is the competition it has created. In the past, you would only have a few options if you wanted to gamble online, but not any more. Now there are thousands of sites vying for your attention and they’re prepared to pay for it through their bonuses.
First deposit bonus
One of the most commonly seen bonuses comes with your first deposit. After filling out the registration form, you will need to make a deposit into your account. At this point, the casino will generally match your first deposit up to a specific figure. Sometimes it’s £50, or perhaps even £200; it all depends on the offer. There are rules that come along with this promo—as with most bonus offers. Check the details, but it’s likely that you’ll have to wager the bonus amount anywhere from 20 to 60 times before the money becomes yours. This is pretty standard practice and nearly all first deposit bonuses come with this kind of small print.
No deposit free spins
For a slots fan, the best type of bonus is as many free spins as you can get your hands on. There’s something pretty awesome about playing with free money, and nobody turns it down! Sometimes you will see an offer that doesn’t require you to make a deposit in order to get some free spins. This is a great type of offer, which is very popular among players as it gives you a chance to play slots without having to risk losing any of your own money.
Deposit bonus and extra spins
Now you’re talking! These offers are a fantastic way to top up your casino balance and have a go on the slots without risking any of your own money. You can then proceed with your deposit wherever you please. One thing you’ll want to look out for is the wagering requirement. You now know that this a pretty standard rule attached to most bonuses, but there’s sometimes an addition. There are the occasional deals that require you to play through the bonus funds a number of times, but also your deposit as well. It’s not all that common, but keep an eye out for this kind of detail that can make or break an amazing offer.
Slots specific bonuses
Video slots have changed the game when it comes to bonuses. Gone are the days of simply reeling in 3 matching symbols. Well, that still plays a part, but now there’s so much more on offer!
Many of the game producers add loads of features such as cascade pays, wild symbols, free spins and more. The ever-increasing number of win lines also give modern slots a fantastic way to win a little extra while playing the game.
Casino reload bonuses
Reloading your casino account with extra cash is fairly common-place. But what if the casino gave you extra money on top when you did it? That’s a pretty sweet deal that takes no extra effort on your part. You often find that a reload bonus is available on set days at a casino. It boosts the casino activity numbers and gives punters a little extra cash. Win-win!
How you can get a good slots bonus
The latest and best slot bonuses are displayed right here on our listings. We carefully examine the best UK casinos to see what’s on offer and we report right back to our loyal readers. We only work with the top casino sites, so you can be sure that you’re getting an amazing deal and are always in safe hands.
Research and find the most beneficial offers
But not every offer is perfect for everybody. Some players simply love to land the biggest bonus possible. And regardless of any rules attached, they are prepared to put in the extra work to get a huge amount of bonus spins and cash.
For others, a smaller bonus may be better suited if they aren’t interested in jumping through hoops to get their hands on an enormous deal. Either way, you’ll want to do your research to land the best promo for you. And the best way to do this is to become au fait with the terms and conditions that usually govern these offers. They are generally pretty similar, but it’s the fine details that you need to pay attention to. Things like wagering requirements, for example.
Slots sites with low/no wagering requirements
If you don’t want to deal with wagering requirements, then it is possible to find slot sites that do away with them completely. These brands won’t be handing out huge cash sums or a ton of bonus spins though. It can be a high-risk strategy to remove wagering altogether. So they need to protect themselves somehow.
Another option is to go for a deal that has very minimal wagering. Big value offers can go up as far as 70x wagering. And this can be quite a burden. Especially if you have thousands of pounds worth of bonus cash to play through. Going for a more modest deal with 5x wagering could be better for you and your bankroll in the long run.
Who makes the online slot machines?
There are a number of top slot producers out there. Some have been around a lot longer than others. And some have an enormous back catalogue of games. With so much variety available, there is always something for everybody. Let’s take a look at a few of the big names in this field.
This giant in online gambling was a big name in the in-person gambling market for many years. In the mid-90s they began to enter the online market and established themselves as a genuine leader. They now create some of the best known online slots real money in the world and fantastic table games too. You will probably recognise some of their titles such as Starburst and Gonzo’s Quest, which are regularly featured at top slot sites in the UK.
In just 6 short years, Pragmatic has gone from an unknown entity in this niche to becoming the creator of some of the best games around. They produce games for casinos all over the world and are best known for the following titles: Big Bass Bonanza, Peaky Blinders and Wolf Gold.
You may be familiar with Tikipop and some of the other fantastic games that adopt the Popwins tech and features. This newish outfit produces some incredible titles such as Hammer of Gods and the recently released Papayapop game. For visually stunning casino slots UK, they’re not to be missed.
Microgaming is an old master in the game. They have produced many of the best online slots UK like Mega Moolah, Mermaids Millions and Game of Thrones. And on top of this, they have a great range of classic table games and live casino as well. It’s pretty much a one-stop-shop for all amazing casino products and most online casino sites in the UK feature their titles.
Strategy for slots
Slots are completely luck-based so it’s hard to imagine how any strategy could affect the winning potential. The main area to focus on is your bankroll. If you’re playing a highly volatile game, then you want to have plenty of cash in your balance. It will need to last you a while as you wait for a big win. Choose your stakes wisely and give yourself a chance to be there when a decent prize drops.
Common features in online slots
Not all slots are exactly the same. But many of them share quite similar features. And some game producers have their own range of special additions that you won’t find on other games. Here are a few that you may find in a standard slot setup.
Bonus rounds are the most popular part of the game. The base game is great for handing out regular wins. But bonus rounds often land you a big prize. It could be an instant prize game, or perhaps a multiplier round as in Rainbow Riches. There are loads of clever bonuses available. And each one can be super beneficial to your balance.
Free spins are the standard bonus game offering. They are pretty simple creatures but they can be hugely profitable. Some free spins rounds have multipliers attached and this can really shake things up.
Wilds, Scatters and other special symbols
Wilds are always a welcome addition to any slot. They can help boost the winning potential by substituting for other symbols. And some come with a win multiplier too. Sometimes, the wilds can stack across the entire reel and create a wall of wild action. This can lead to loads of wins coming in at the same time.
Scatters are often the key to the bonus round and they can land anywhere on the reels. This often results in a big prize even before the bonus begins. And always keep your eyes peeled for other symbols that seem a little out of the ordinary. They may add to a jackpot total or offer some other magical power!
How progressive jackpots work
Progressive prizes are very simple. The game is played by multiple players at one site or multiple casinos. And a small amount of money is added from each game to the central pot. This can build to a huge level and eventually lands for one lucky person.
There are even some games that are connected as part of a network such as Mega Moolah, for example. This title has the benefit of not only being played across multiple sites but also multiple slots as well. This makes for amazing jackpot potential. It has paid out millions of pounds on a regular basis. And a few times the total has approached £20 million.
Playing slots on mobile and tablet
Playing on mobile devices is the most convenient way to enjoy gambling action. Most modern games work seamlessly across all devices and you don’t lose any of the quality. All of your account details stay updated wherever you go and the action and entertainment never leave your fingertips.
You can enjoy mobile play on both Android and Apple products. There is no difference in quality between the two. And you also have a choice between an app or playing through your mobile browser.
Connecting via your browser is very simple and is much the same as visiting any other website. A dedicated app, on the other hand, can download straight to your phone. As a result, load times are a little quicker and payments may be easier too.
It’s your choice as to which type of connection you prefer. Some sites will give you an option between the two. And others don’t yet have an app so you’ll have to connect through your browser. If you find a site that is trying to promote their app, then it’s possible to land a bonus for downloading it. It may only be a few spins on a slot but it’s always worth grabbing a freebie where possible.
Slots tournaments explained
Slot sites UK tournaments happen sporadically at many casinos. Details are released a few days in advance. And if you are signed up for the casino’s newsletter, you should receive an email telling you all about these promos.
The competition is usually played on one game and all players start with the same balance. Everyone plays the game and keeps hitting the spin button while trying their best to win as much as possible. And either the person who wins the most or the one who still has credit in their balance when everyone else runs out will be the winner.
It’s a fantastic way to play a slot for an extended period of time without it costing you much money. Usually, there is a fee to enter, but this will be quite minimal compared to how much you may win.
Rules for slots games
There aren’t too many rules for slots. The majority of the game is out of your control so you don’t need to worry about anything. However, there are rules that govern how the wins land. And this is usually starting from the 1st reel on the left and making its way to the right. Although new and fancier mechanics have altered this recently. We now have cascading reels, megaway line structures and win both ways as well.
The reason slots are so popular
Slots don’t require you to make difficult decisions. In fact, other than hitting the spin button, there isn’t much else to think about. Some players prefer to think about their next move and play games like blackjack, for example. While others simply want to sit back and relax.
No complicated rules or strategies
Games of chance have intrigued gambling fans for many years. They don’t require loads of rules and their outcome is completely random. And even though slots fall into this category, they do have an edge over many other luck-based games. Their stunning imagery and gameplay make these games truly eye-catching and fun to play as well.
Most table games are fairly easy to grasp. As a concept, they require little more than creating a hand by requesting more cards, for example. Or sometimes, you don’t even have a choice – It’s simply the hand you’re dealt vs the dealer’s. The betting part of most games is what confuses a newbie. And classics like roulette can be a little overwhelming at first.
Slots in general, don’t suffer from this issue. You simply choose the value of your wager. And in some cases choose the number of win lines that you wish to play.
There are many variations of slots
There is an endless array of slot games UK to choose from. In the past, there were a handful of game producers coming up with ideas. But now there are hundreds of talented studios that all contribute to the niche.
Games used to be fairly basic when they first appeared online. There was very little in the way of features and the graphics were pretty decent for their time. But they ultimately dated fairly quickly. As the tech began to advance, so too did the options for slot providers.
It’s now possible to create a slot based on any TV show, movie or game show. As well as any animal or period of history, for example. So you see, we will never run out of new and incredible slots to enjoy. And the games just keep getting better and better.
The online slots evolution
The first slot machines were around in the late 1800s. It started off with a gambling machine containing a pack of cards. A basic kind of poker game in pubs and bars. But instead of winning money, the prizes were beer or cigars. This idea was taken forward a couple of years later in 1895 when the Liberty Bell slot appeared.
The Liberty Bell took the idea of spinning symbols that could pay out a prize based on the way the symbols landed. From here, many other designs and themes were born. And the concept continued to grow into what we now know as online casino slots.
These first appeared in the mid-1990s, over a century since their physical counterparts appeared. They went from basic arcade-style fruit machines and eventually became multi-level games with tonnes of features and interesting payline structures to keep us entertained. We can’t wait to see where this story takes us next!
Always gamble responsibly on slots
Part of enjoying a good slots session is being able to enjoy the fun responsibly. There is money involved and this should be controlled from the moment you decide to first hit that spin button. By keeping everything in check, you are more likely to continue enjoying the entertainment value that these games offer.
Set up a monthly/weekly gambling budget
Creating a budget is probably the most important thing to do if you like to play casino slots online regularly. Even the biggest budgets need some form of control. There is a huge temptation to keep playing, especially if you have a feeling that something decent is about to happen.
But being strict with your budget will benefit you in the long run. Sometimes a tight financial control may mean walking away from a win that’s just around the corner. But it will also stop you from those many occasions when that win wasn’t even close.
Decide how much you can afford to potentially spend each week or month. And stick to that budget rigidly.
Take breaks in your slots session
Playing any game relentlessly can have a negative impact on both your health and your wallet. For that reason, it’s important to always set yourself regular breaks. By walking away from time to time you will continue to enjoy your hobby without it becoming too regular.
Gambling can be great fun when done in moderation. But to do this, many players need to set both financial and time limits to enjoy the action. Keep the entertainment light-hearted and enjoyable.
Don’t chase money you’ve already lost
Playing slots can mean winning some top cash prizes. But the flip side of the coin is that you can lose as well. The law of averages says that you’re just as likely to win as you are to lose. And when the latter occurs, you need to be prepared to brush it off and let it go.
The next game is a completely new chance to play again and you shouldn’t be thinking about a previous game or any losses that came with it. Chasing lost cash is a fruitless exercise that makes you place bets that you wouldn’t normally make. And this can have a hugely negative effect on your mind and bank balance. If you aren’t enjoying the action anymore, then it’s time to walk away.
Check for UK license before you start playing
Everyone is eager to get started once they have found a particular game they enjoy. It may be slots or perhaps one of the more classic table games. But either way, you need to protect yourself by playing at a site that has the correct legal status within your jurisdiction.
And for players in the UK, this means using a casino that holds a valid UKGC licence. Every casino and game producer within this area must go through a rigorous registration process to ensure that they are safe and trustworthy. It’s expensive and time consuming for a company to go through this. So you know that any site with one of these licences takes their customer’s safety seriously.
Every brand that you find listed here has the right credentials.
Online Slots FAQ
Some of our more frequently asked questions.