Play the Best Online Slots

Find out which are the best online slots. Check out all the best online slots UK and learn how to play your favourite games for free.

Just as brick and mortar casinos wouldn’t be the same without slot machines, the same thing applies to online casinos and the best online slots. Slots are the most beloved casino game both online and offline for a myriad of reasons.

We’ve prepared for you a list of the very best slots online you could ever want to play. You’ll find every title worth playing here, as well as information about different types of online slots real money or for free.

Browse Our Full List of the Best Slots

The best slots to play any time, anywhere are all here on our list. From the newest slots that have broken all charts to oldies but goldies that still make the top even years after their launch, everything is within your grasp.

Wondering how we pick the best slots to play to recommend them to you? Most of the time we just listen to what you guys have to say, try them all and review them, compare your opinions to ours, check out RTPs, volatility levels, bonus features, graphics and just overall gameplay and decide on which are the most fun and profitable slots.

We also look at how the best UK slots pair up with bonuses. The best online slots to win real money are our target and, of course, the easiest way to win is to take advantage of the best free spins no deposit bonuses and other exclusive offers.

Best Slots to Play with the Best Payout Percentage

We know you’re a smart player so you probably already know that the best way to up your chances of winnings when playing slots and any other type of online casino game is to look at the RTP and understand the house edge and use them to your advantage.

Make sure you pick the best slot games with high RTPs and you will have much better chances of winning. There are many online slot games out there which have a high RTP. Remember that you should never play slots with an RTP under 94% as your chances of winning are pretty abysmal at these numbers.

The average RTP in modern online slots seems to be around 96%, so we count everything above a 97% as high RTP. But if you’re looking for the online slot machines that have the absolute biggest RTPs and can increase your chances of not going home empty handed, then this is the ultimate top 10 of the best online slots payout percentage UK:

UK’s Best Slot Games

If you’re a UK player then you’re interested in the best UK slots you can play online. We’ve got you covered with that as well. While the best online slots games UK are contained in the overall category of the best slots to play online, it doesn’t work the other way around.

UK players have their own preferences and the UK Gambling Commission doesn’t allow some games from some software providers to offer their games in this jurisdiction.

That’s why we’ve done our research and figured out which are the best slots to play online in the UK. The great news is that you can also play slots with the Megaways mechanics which are all the rage right now as well as the best online slots with bonus features.

There are many more online slots that are beloved by UK players but these are the top 15 most popular ones ever made: 

Top 10 Online Slots Real Money

The best online slots real money are obviously no different than the free-play versions, other than the fact that you can actually win some cash and have some fun.

Other than their money-making capacity, whatever you get when playing the best online slots to win real money, you also get when playing online slots for free in demo mode. The graphics are the same, the gameplay is the same, the bonus features, RTP, volatility, everything is identical.

But if you’re looking for a chance to win real money you’ve got to play real money online slots. You should check out progressive jackpots as those have the potential of bringing you the highest possible wins (although it rarely happens so make sure you have the right mindset when playing).

You can also check out the best online slots with high limits if you want to be a high roller and improve your winnings by default as the more you bet, the bigger your win will be. But make sure you can really afford to do so. If not, there are plenty of penny slots that can offer the same excitement and could also bring sizable wins if you get lucky.

Below you can find a list of the best online slots to play for real money. They are fun, exciting, some have progressive jackpots, others have epic bonus features, and they’ve given out plenty of jackpots in time:

Check Out the Best Slots to Play Online in 2021

If there’s one thing that SlotsCalendar prides itself in (there are several, but this is one of the biggest ones) is the fact that we show you what the newest online slot games are. You know what you should play even before they are officially launched at online casino sites.

We have our trusted calendar where you can always see what you can expect. And there are dozens of new slots launched every single month that you can look forward to.

The list of the best slots for 2021 will keep changing as time goes by because there’s a lot of time left until this year ends and there are still many surprises to come. That’ why we’ve chosen to give you the top 5 slots that we think will make the cut when we draw the line at the end of 2021.

These five new online slots have everything you need to really enjoy yourself. If you take a look at it, you might notice that many of them have the coveted Megaways mechanics which are currently obsessed with:

But if you want the freshest slots, make sure you click on the SlotsCalendar and see what’s about to come up. You’ll never run out of great choices.

An All-Round Great Experience – Play Slots Online

When you play slots online you should always have a great gaming experience. Sure, it’s a lot more fun when you get that elusive big win, but it should still be fun when you get a smaller win or just level up as a player and enjoy yourself.

For a gaming experience to be positive throughout you need everything to go perfectly. You will have to find the perfect video slot to play online, but that’s not all you need. You will also have to find the right online casino site to play at and the right casino bonuses.

After you go through all the types of slots to play online and settle at least on a genre you will be much closer to the kind of fun you want to have. We have thousands and thousands of slos that you can try for free in demo mode with no download, no deposit and no stress. Picking your favourites is going to be a breeze.

Under each of your favourite games you will find several great promotions (mostly no deposit bonuses, but other great offers as well). These promotions are from the best UK Casinos which actually offer the games you are interested in.

This means that everything will be easy and fast and you won’t end up signing up at an online casino to play your favourite game and then realizing that it doesn’t have it in its collection.

Also, we only recommend the best licensed, fair, top-rated online casino sites with the best bonuses and the best online slots. So your chances of having that perfect casino experience are really high!

Frequently Asked Questions

  • Can I play online slots for free?

    Depending on your jurisdiction. Free online slots are not allowed in the UK, as the UK Gambling Commission is against them. But slots players from all other jurisdictions where gambling is legal can play online slots for free in demo mode with no issues whatsoever. All the games on our website are demos, and you can try them all with no issues.

  • Are online slots fair and trustworthy?

    Yes, if they come from trustworthy software providers, are independently tested for randomness and are available and fair, legal and licensed online slots sites. The games themselves are almost always fair, it’s the online casino operators that can sometimes be shady, so make sure you choose only licensed and regulated casino sites.

  • Is it possible to play online slots on mobile?

    Sure. At this point in time almost every online slot game is available on mobile devices such as tablets and smartphones. If you want to make sure that you find a game that’s certainly available on mobile, check out our list of the best mobile slots. You can play games directly from your browser in an instant-play format or you can choose to download a dedicated online casino mobile app.