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Online slots account for almost 70% of casino wagers, making them the most popular games. With tons of slots casino sites around, and thousands of exciting titles, it’s pretty difficult to choose what to play next.

So, take a spin with us and discover the best slots casino websites for your moolah, what makes slots online casinos so great and which games you should try today.


Best Slots Online Casino Sites 🎰

If you’re looking for great bonuses, free spins and a myriad of exciting slots, look no further. Here at Jackpot Slayer, we’re big fans of spinning the reels, which is why we’ve put together a list of the best slots online casino sites around.

We know that trying to find the best online casinos and games can be overwhelming when all you want to do is get down to playing. There are brands, themes and types of slots to choose from. Bonus games and free spins, Wilds and Scatters, new titles and old.

So, go through our list and find a slots casino that has the games, bonuses, storylines and features you fancy.

Number Casino Rating Bonus Freespins Info Play Now
1 star-full star-full star-full star-half star-empty LeoVegas 100% Bonus 20 Freespins Play Now
2 star-full star-full star-full star-full star-half Casumo Review €200 Bonus 200 Freespins Play Now
3 star-full star-full star-full star-full star-half Betway 100% Bonus 200 Freespins Play Now
4 star-full star-full star-full star-full star-empty Mr Green Review €100 Bonus 200 Freespins Play Now
5 star-full star-full star-full star-full star-empty Royal Panda Review 5% Bonus 0 Freespins Play Now
6 star-full star-full star-full star-full star-half Vera John Review 200% Bonus 0 Freespins Play Now
7 star-full star-full star-full star-half star-empty ComeOn 100% Bonus 20 Freespins Play Now

18+ | T&C's Apply | Gamble Responsibly and only bet money that you can afford to lose. Read more about how we rate online casinos.

How Online Casino Slots Works 💰

There are plenty of different types of online slots, and there’s always something new in the pipeline. Besides regular desktop games, mobile casinos are also popular with slots casino fans.

So, how do these enthralling games work? Let’s delve into the most important parts of slots.

Coins – coins are what you place your bets with. The coin size determines the value of your bet and how much you could win. The higher your wager, the higher your payout.

Paylines – these are the winning combinations that can be made by lining up matching symbols.

Return to Player – the RTP percentage is how much the game pays back over time. For instance, if you make 100 €1 bets on a slot with an RTP of 90%, you could get back around €90 in wins.

Volatility – the higher a slot’s volatility, the more symbols change on the reels and the higher the payout when you land a winning combo. Lower volatility slots pay out more frequently but in smaller amounts. The best slots casino sites have a variety of volatility games.

Hit Frequency – this value refers to how often a winning combination is formed.

FAQ 🙋

Frequently Asked Questions About Slots Casino Sites

🆓What is a free spin at slots casino sites?

Free spins are a bundle of spins you get as part of a casino’s bonus. They can be given to you as one batch or several batches and used for specific games.

😊Which slots have the best winning odds?

It depends on the slots casino and software developer. But, look for a slot with the best RTP. The higher the RTP, the higher the chance of winning. Just remember, slots are a game of chance, so there are no guarantees.

💯Which games at a slots casino have the best RTP?

A good RTP is usually around 96%. Look through our list of slots casino sites for the games with the best payout percentages.

😎What are the best slots casino games?

It all depends on what you like. There are classic fruit slots, video slots and branded slots, as well as progressive jackpot games. The best games are the ones you have the most fun playing.

🏆Which slots have paid out the best?

Historically, Mega Moolah, Megabucks and Mega Fortunes have paid out the best.

🔥What are the most popular slots casino titles?

It varies greatly, but some of our favourites include Bubble Craze, Book of Ra, Book of Dead and Gold Fish.

🕰️Is there a best time to play slots online?

No. You can play any game, anytime at any slots casino. Just remember to play responsibly and stick to a budget.

🎖️How can I win at an online slots casino?

Make sure you understand a game’s RTP, variance and betting requirements. Read slot reviews and only play at legitimate online casinos. Other than that, it all comes down to luck.

Slots casino sites make finding your favourite reels a breeze. Once you’ve signed up, you can head to the casino’s lobby and search for games by:

Some casinos will even store your most played games so you can easily go back to them the next time you log in. If you’re keen to try a few new titles, use free spins or play the games for free in demo mode first. It’s a good way to get a feel for a game before you wager real money.

Types Of Slots Casino Games 🧾

Slots come in all shapes and sizes, and you’ll want to know which ones to look out for to suit your game style and your bankroll.

Video Slots

These are the bread and butter of slots casino sites, and most of the slots you’ll find in a casino’s lobby are video slots. These games come with features like bonus rounds, pay lines, mini-games, side games and incredible graphics.

Video slot games range in terms of variance and RTP, making them exciting for players. Some of the most popular video slots include Twin Spin, Starburst and Gonzo’s Quest.

Branded Slots

Branded slots are incredibly popular with players. These are games that are attached to game shows, TV series, movies, books, sports teams and any other brand that comes to mind.

These games at a slots casino are a little more polished than your average slot. Firstly, there’s usually a higher budget to make these slots, thanks to the backing of the brand. This means developers can push technologies and create highly immersive games.

Secondly, branded slots must be of a high standard to reflect the brand. Popular branded titles include Jumanji, Batman and Scarface.

Jackpot Slots Casino Games

Jackpot games are the big money slots that could just make you a millionaire in one quick spin. There are two types of jackpot slots; standard and progressive.

Standard jackpot games are hosted by the casino or developer. There’s a set jackpot and it’s triggered when you hit a winning combination. It then goes back to its set amount for the next lucky winner.

Progressive jackpot slots are those where the prize pot rises the more players play. A small cut of every wager is added to the pot, with the jackpot growing across multiple slots casino sites. To stand a chance at scooping the big jackpot, you’ll need to bet the max amount when you spin the reels.

Standout titles include Mega Fortune, Major Millions and Mega Moolah.

How to Make a Deposit at Slots Casino Sites 🤑

Funding your account at a slots casino is the same as making a deposit at any other online casino.

Deposits are typically instant and free. However, check with your payment provider and the casino before you make a deposit. Some payment methods may charge a fee for depositing to casinos, while some countries don’t allow certain payment methods to be used for online gambling.

How to Withdraw at Slots Sites 💸

Withdrawing your winnings at slots casino sites is just as straightforward.

Simply head back to the cashier, pick your payment method and complete the transaction.

Keep in mind that each casino has its own rules when it comes to withdrawal processing times and amount. For instance, if you scoop a progressive jackpot, some casinos will pay it to you in instalments over a period of time.

Benefits Of Slots Casino Sites ✔️

There are plenty of benefits to playing on a slots casino platform. Let’s discuss some of these.

Downfalls Of Slots Sites ❌

We are clearly fans of slots, but this wouldn’t be a balanced page if we didn’t share a few downsides of playing at a slots casino.

One complaint we’ve come across is that online slots lack the atmosphere of playing at brick-and-mortar casinos. It’s a blessing and a curse. Sure, you lack a conversation with your friends or perhaps dinner at a casino, but on the other hand, you can play anytime and anywhere.

The Top Slots Casino Software Developers ⚙️

We couldn’t possibly bring you this page without talking about the best slots casino software developers.

NetEnt

The Swedish-based company has worked hard to get to the top of the totem pole, and thanks to game innovation, NetEnt has well and truly succeeded.

Two of their most popular games you’re sure to find at any slots casino are Starburst and Gonzo’s Quest.

Microgaming

There is no denying that Microgaming is the biggest software developer in terms of how many slots they offer and the number of casinos that stock their games.

This developer covers all the bases, with their jackpot games being right up there in popularity and mega payouts. Branded games are also a big deal for this developer.

Notable slots include Game of Thrones, Mega Moolah, Jurassic Park, Thunderstruck and Immortal Romance.

Yggdrasil

Yggdrasil Gaming launched in 2013 and in their time, they’ve managed to cement themselves as one of the best in the biz.

They might not get the accolades the bigger brands scoop, but the quality of their slots is incredible. Games like Blood Moon Wilds, Vikings Go Berserk and Vikings Go Wild are some of their most popular at slots casino sites.

Playtech

Another big player in the slots game, Playtech launched in 1999 and they are one of the few developers that can power entire casinos on their own.

This developer has a plethora of notable titles, including The Dark Knight, Frankie Dettori’s Magic Seven and Justice League.

IGT

This software developer specialises in themed and branded slots. While they split their work between live and online casinos, they’ve created an abundance of slots over the years, including titles like Wheel of Fortune, Ghostbuster, Cleopatra, Family Guy and Baywatch.

Play’N Go

Play’N Go is a Scandinavian brand that launched in 2007. Today, they have a wealth of games in their portfolio and precedence for ensuring that RTPS are as high as they can be.

Standout games from Play’N Go include Rich Wilde, Troll Hunters 2, Rally 4 Riches and Shield of Athena. What we love about slots casino games from this developer is that you follow a story as you play, unlocking bonus rounds and a range of other features.

Novomatic

While this isn’t a much-discussed brand when it comes to slots, Novomatic is one of the oldest software developers around. Not only do they have an exceptional range of slots, but you will find known titles like Sizzling Hot, Dolphin’s Pearl and Book of Ra at the best slots casino sites around.

Slots Casino Bonuses ✨

Any slots casino worth its weight offers new and regular players ways to extend their bankroll and their gameplay. Some of these bonuses focus exclusively on slots and include:

Free spins, as the name suggests, are catered especially for fans of the reels. They usually come in bundles as part of a welcome bonus or special promotion and can be played on certain games.

The casino will specify which games you can spend your free spins on, how many times they (and your winnings) must be wagered before you can make a withdrawal, and for how long the free spins are valid.

Slots Casinos Payment Methods 💳

Online slots have come a long way over the past decade or so. One of the biggest innovations, though, is the number of ways you can fund your casino account.

Popular payment methods at a slots casino include:

Choosing a payment provider isn’t an easy task. One thing you’ll want to check is if a slots casino offers bonuses for your preferred payment method.

You’ll also need to consider currency conversions (if applicable), bank charges, and deposit and withdrawal processing times.

All that out the way, you can fund your slots casino account and head straight to the lobby to choose your favourite reels.

JPS content teamJPS Content Team
The content on this page is crafted with love by Jackpotslayers.com experienced team. Shirvan Williams, Samuel Alawode, Bryan Ngure, and Lynda Alanyalynda are all experienced in the fields of online gambling and content creation. Get to know them better by visiting our about us page.
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