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Magic Red Casino 100 EXTRA SPINS on Fire Joker (£0.1/each)
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Information about casinos with slot machines

Online slots are fun, energetic and offer more ways to win than other casino games. Their popularity has led to a rise in online casinos who make them the centerpiece of their game selection, which we can also call slots websites.

You can see what Casino Meter considers to be the best slots sites by starting at the top of the list on this page.

The top slots sites in the UK to choose from

The first thing you'll see on this page is a list of best slots sites available to UK players.

Casino Meter has arranged these United Kingdom slots sites according to a special Meter rating, ordered from highest to lowest. We advise you to start at the top of this list – these will be the slots sites most likely to give you a positive playing experience.

As well as this rating, next to each site is a summary of key details which will give you an idea of what to expect from each site. These include details about the bonuses the site has, the payment providers it accepts, and the games that it offers.

This is so you can quickly see and compare the sites without clicking on each one. You then have the option of clicking on those that you like the look of to find out more.

The pros and cons of online slots sites in the UK

First up, if you're a fan of innovative and entertaining casino games, then you'll enjoy virtual slots. These games normally have special features and bonus rounds, which you can trigger by landing certain combinations.

Speaking of bonuses, casinos are most likely to include virtual slots in the range of games where you can use your casino bonus, as they often tempt players to stick around and play more.

Slots games have an average Return to Player (RTP) of between 90% and 98%. This is the amount you can expect back, expressed as a percentage. For slots, this means you get back between £90 and £98 for every £100 you gamble, on average.

Finally, slots games generally have a wider range of prizes and jackpots than other casino games, with jackpots sometimes even running into the millions. While these add to the excitement, the chances of landing a big prize are tiny, almost to the point of impossibility.

As well as these pros, gambling on slots sites also comes with some risky downsides. The quick speed of slots means it's easy to lose track of what you're spending, especially with all the flashing lights and extra features. The 'carrot' of a big prize can often turn into a stick of punishment, with your funds washed down the drain.

This is why we recommend playing on slots sites that do their best to protect players and offer safe gambling tools, as part of their quest to provide the best playing experience possible.

Virtual slots are also pure games of chance meaning that there is no strategy that will increase the odds of you winning money: it's all down to luck.

For both negative aspects, it's a good idea to remember safe gambling principles to stand you in good stead, including:

  • Never gamble with the aim of making money or solving your financial issues
  • Never gamble with borrowed money and only bet what you can afford to lose
  • Treat slots as entertainment you pay for

All the slots sites you see on this page are regulated by the Gambling Commission (GC) which demands that all casinos promote safe gambling tools, such as self-exclusion method GAMSTOP and Be Gamble Aware principles.

How to select the best slots site for you

When looking for the top real money slots sites, we recommend you choose the options with the highest Meter rating first and foremost.

But how do we calculate this rating?

Put simply, we consider a wide range of factors which we package together to give you a quick glimpse of the site's quality. These factors include:

  • Its trustworthiness, including how it treats players and the complaints it's received
  • The range and quality of its virtual slots
  • Its deposit and withdrawal options
  • Our own expert judgement, drawing on our vast experience in the slots industry.

As well as this, you can also narrow down your options according to extra criteria using our filters, some examples of which are listed below.

  • Slots sites with bitcoin/crypto deposits
    More crypto casinos than ever are accepting deposits made using top cryptocurrencies. Select this option among the filters to see only those.
  • Payment providers
    Use this filter to only see the sites that accept your chosen payment method, including providers popular with UK players, like PayPal and Visa.
  • Slots from specific game providers
    The UK gambling industry is big on slots, which is why companies like Red Tiger are based here. Find the sites with games from them, and many others, with the game provider filter, and get one step closer to finding the best UK slots sites for you.
  • How to choose the best slots casino bonus
    Online casinos most frequently include slots games in with their bonus offerings, as they tend to be most popular with players. Bonuses can be a nice extra for a player, if used correctly. Before claiming one, we recommend you look at our 'How Casino Bonuses Work' guide, which is packed full of useful info so that you're fully clued-up about what you must do to make the most of your bonus.

When you're ready, go to our list of casino bonuses where you'll see a list of available offers. If you'd like to narrow the list down, you can filter them by bonus type. Deposit bonuses give you extra money or spins that you receive in your casino account after putting money into it, while no deposit bonuses are those you get for free, just for registering. Select either of the two links above to see those.

So, look through them and pick whichever one tickles your fancy.

Frequently asked questions

Which are the best UK slots games?

Everyone has different tastes, so someone's favourite slot may turn other people off.

You can, however, find the best game for you by visiting our free slots page and using the filters there. These include Game Type, Game Provider, and Game Theme.

Do slots sites only offer virtual slots?

While there are sites dedicated solely to virtual slots, most of them also have other casino games, with roulette, blackjack and video poker being the most common.

Am I likely to win money on slots?

You stand a good chance of winning some cash prize when you play, but bear in mind one simple fact: Slots come with a house edge, which means you will lose money over time. In fact, the longer you play on slots, the more likely you will suffer losses.

Are slots sites mobile-friendly?

Generally, yes. There's a wide range of mobile-friendly casino sites today that offer HTML5-powered games, so that you can play just as smoothly as on a desktop device.

To see them on this page, use the 'Mobile-friendly' filter.