2018's Top Casinos for Online Slots

Compare the Best Online Slots Sites Reviewed By Our Experts

You can be playing the best online slots games in minutes with any of the shortlisted casinos on this page. With hundreds of slot machines and progressives from top providers like Microgaming and NetEnt, these online casinos offer lucrative slots bonuses to get you started on your game. Read on to get key tips for playing online slots for real money, and try our free slots games to play for fun.

Top Rated Casinos Free Online Slots Strategy Advice Top Slots Games
How we review Real Money vs. Free Games Casino Match Finder Slot Types Quick Strategy Tips Meet The Game Makers Frequently Asked Questions

Our Top Rated Slot Casinos 2018

Number one rated Casino
Top Rated US Casino

$5000 Bonus

  • Payout Speed: 1-2 days
  • Win Rate: 98.45%
  • Support:
  • More than 400+ slot games to enjoy
  • Over $3 Million in slots jackpots
  • Up to $5000 welcome bonus
  • Choice of exclusive slots titles

Deposit Options

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2

$4500 Bonus

  • Payout Speed: 1-3 days
  • Win Rate: 98.32%
  • Support:
  • Over 200 Slots from Real Time Gaming
  • Weekly reload bonuses
  • $10K slot jackpots on recent wins
  • Payouts within 48 hours

Deposit Options

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3

$5000 Bonus

  • Payout Speed: 8 days
  • Win Rate: 97.87%
  • Support:
  • Up to $5000 welcome bonus
  • 24/7 online customer support
  • New tournament events every day
  • Progressive slots up to thousands

Deposit Options

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4
  • $3000 Bonus
  • 97.88% Win Rate
  • 1-2 days Average Payout Time
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5
  • $2000 Bonus
  • 97.84% Win Rate
  • 8 days Average Payout Time
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Slots.lv Casino
  • Developer
    NetEnt
  • # of Reels
    5Reels
  • Players
    N/A
  • Jackpot
    62,500
  • Lines
    20
  • Min. bet
    N/A

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Gonzos Quest

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What A Top Slots Casino Offers You

1

A huge range of slots you can play for fun

All the shortlisted online casinos here offer a great variety of slot machines for players to enjoy, including classic and video variations with plenty of different themes to choose from. You can expect a thrilling experience with any slots game online, with a range of top 3 reel and 5 reel titles. It's all about the fun, after all. We look out for casinos that offer plenty of free slots, so you can spin just for fun, and great real money games if you favor the thrill of gambling.

2

Solid games software that offers fair games at secure sites

The best sites will of course have games software from top developers, such as Playtech or Microgaming. You can be sure to find slots with great graphics and plenty of dynamic features that will run smoothly no matter what device you play on. When you play online slots for real money, you'll want to feel reassured that your money is in good hands. You can rely on our recommendations being licensed by the relevant gaming authorities, and guaranteeing a fair game using random number generators to put out those winning combinations on the reels.

  • Norton
  • SSL
  • Secure
  • Truste
  • eCogra
3

Great welcome bonuses to use on high payout slots

A generous welcome bonus is a must for any reputable online casino. This is particularly true when it comes to slots, so you can get in plenty of extra spins. All our top rated sites offer excellent bonuses for a great start to your online slots experience. The games themselves all offer high payout percentages to give you the best return on your bet, and cashing out is very easy with all popular banking options. You can expect any winnings to be in your account within hours.

An all-round great experience playing slots online

As long as the slots games deliver on all of the points noted above, the casino will be added to the shortlist here, giving players the choice of the very top casinos online. You can be sure that you'll get the best slots games and variety of titles for desktop and mobile gaming, and the bonus rewards will offer you the best value as a player. We check all of our recommendations every three months to make sure they are still delivering on quality games.

8.2
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Real Money vs. Free Games

Whilst free slots are a great way to play just for fun, or to hone your skills before spending real cash, for some nothing quite compares to the thrill and excitement of real money gambling. As you can see from the table below, both real money and free games come with their own advantages and disadvantages.

  • Real Money
  • Free Games

Players have the opportunity to win huge sums of cash, adding a massive element of anticipation to the gameplay

Available to play instantly with no download or sign-up required

Real money players are rewarded with welcome bonuses, free spins and loyalty rewards

Give players the chance to try games out before spending their money

Real money gaming can see players lose huge sums of hard-earned cash if they don't play responsibly

Free play gamers often do not qualify for casino bonuses and loyalty rewards

Players have the opportunity to play for progressive jackpots

Can be played anonymously with no need to divulge personal information or bank details

Payouts sometimes won't be received instantly, and will instead take a few days depending on the casino

Players miss out on the chance to win huge jackpots and other big prizes

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Get the Best Bonus Possible

Online casinos are always keen to impress new players, so you’ll often find casinos looking to entice you in with a sign-up bonus, or welcome bonus. Usually, this bonus is a percentage of your first deposit.

Your welcome bonus can be used to build your bankroll, allowing you to make more spins and gain more chances to win. It’s a good idea to read through the “wagering requirements” of any bonuses on offer prior to signing up, as casinos usually pay out these bonuses over a set period of time, which can vary depending on how much you wager.

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Tip: Look out for casinos with big sign-up bonuses and low wagering requirements to maximize the amount of real money you have available to play with.

The Most Reliable Place to Play Thousands of Free Games

Unlike other sites, we'll NEVER ask you to sign-up or provide personal info to play our free games

Our team has

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Have reviewed

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Average rating of

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The Various Types of Slot Machines

In the world of online gambling, there are four distinct categories of slot games that you need to be aware of. Online slots range from the classic three-reel games based on the very first slot machines, to all singing, all dancing video slots that come jam-packed with bonus features and exciting new ways to win. Take a look at the slot varieties below for an introduction to each of the four main types of slot machines.

Three Reel Classics Multi-Payline and Multi-Reel Video Slots Progressive Slots
Three Reel Classics

Old-school slot machines where you need to line up three matching symbols on a single payline.

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Top Slots Games

We're always on the hunt for brand new releases from top games makers, and if a game's worth playing you'll find out about it from us first. Here at Casino.org, you'll find over 200 slot game reviews from our team of experts, including three-reel slots, progressive slots, video slots and multi-payline slots. Below we’ve listed the most popular games for October 2018

Provider
Rating
Free Games
Real Money
Wheel of Fortune
Wheel of Fortune
International Game Tech (IGT)
Rating
Free Games
Real Money
5 /5
Thunderstruck II
Thunderstruck II
Microgaming
Rating
Free Games
Real Money
4.6 /5
Triple Diamond
Triple Diamond
International Game Tech (IGT)
Rating
Free Games
Real Money
4.2 /5
Wizard of Oz
Wizard of Oz
WMS
Rating
Free Games
Real Money
3.9 /5
Mega Fortune
Mega Fortune
International Game Tech (IGT)
Rating
Free Games
Real Money
5 /5
Flaming Hot
Flaming Hot
Euro Games Technology (EGT)
Rating
Free Games
Real Money
4.6 /5
Book of Ra Deluxe
Book of Ra Deluxe
Novomatic
Rating
Free Games
Real Money
4.2 /5
Avalon II
Avalon II
Microgaming
Rating
Free Games
Real Money
5 /5
Guns ‘n’ Roses
Guns ‘n’ Roses
NetEnt
Rating
Free Games
Real Money
5 /5
Starburst
Starburst
NetEnt
Rating
Free Games
Real Money
4.6 /5

Slots Strategy

Online slots are entirely reliant on chance, but that doesn’t mean there aren’t things you can do to put yourself in a better position. Experienced players don’t leave it all down to luck. Instead, they follow a distinct strategy, like only playing games with the highest payout percentages, practicing their bonus rounds, and knowing their paylines inside and out. Here are a few strategy tips that might help you grab a jackpot next time you play slots online.

How to Win
Slot Tips
How to Play
Glossary

Quick Strategy Tips

Tip 1

Opt for games with smaller jackpots, over massive progressive prizes. You're far more likely to win this way.

Tip 2

Simpler slot games tend to have a higher payout percentage. Sometimes it's worth sticking with the classics, even if that brand new video slot looks exciting!

Tip 3

Only play online slots for real money at reputable, trustworthy online casinos. If you're ever in doubt, head to Casino.org to find top rated sites.

Tip 4

Keep your eyes peeled for enticing bonus rounds. This is where you'll find free spins and jackpots. And Knowing your paylines means knowing your chances of winning.

Meet the Games Makers

Online casinos offer an expansive range of video slot titles, many of which come from a handful of industry-leading software developers. When it comes to video slots, these guys really know their stuff. Here are some of our favorites to look out for.

Real Time Gaming
Playtech
Aristocrat
Microgaming
IGT
NETent
Novomatic
Merkur Gaming
NYX
Cryptologic
Betsoft

Is It Time To Play Slots Online?

Now you know all there is to know about online slot machines, it might be time to try them out for yourself. Head to our list of top rated online casinos for 2018 to discover the best slots and most exciting casinos. Whether you're playing for the big bucks or you simply want to try out a few free games, you'll find the right ones for you here at Casino.org.

Gonzo's Quest
Gonzo's Quest Screenshot
4.7/5
  • Exciting Oriental-themed slot from SG Gaming
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Slot Reviews

Still want a little more information before choosing your game? Check out our slot reviews to discover one that’s just right for you.

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Frequently Asked Questions

How do online slots work?

The basic concept of spinning the reels to match up the symbols and win is the same with online slots as it is in land based casinos. The key difference playing slots online is that the variation of games will be wider, and you'll find that most online slots offer more reels and paylines, so your chances of netting a winning combination increases.

Can I play for free?

Yes. Every reputable online slots casino will offer players the option to play some games for free. This means you won't have to deposit any money to get started, you can simply enjoy the game for fun. But, you won't win any either. Despite that, playing free online slots is a great way to get a feel for casino slot games before you advance to wagering with real money.

What should I look for in an online slot casino?

After security and legitimacy (there are unfortunately a lot of rogue online casinos out there) you want to look at the payout percentage of an online slot. This is the percentage of the wagers paid in that the casino pays out in winnings. This is especially important if you're planning on playing for real money. A higher payout percentage generally means more money back in your pocket.

What’s a progressive jackpot?

This is a jackpot that builds up over time and then pays out a big sum of money to a single player. Most online slots casinos offer progressive jackpot slots so it's worth keeping an eye on the jackpot total and how frequently the game pays out.

Can I win real money playing online slots?

Yes you can. While online casino slots are ultimately a game of chance, many players do frequently win decent sums, and some lucky ones even score life-changing payouts. If you're in it for the big bucks, progressive jackpot slots will probably suit you best.

Are online slot casinos trustworthy?

Absolutely. Provided you play at a recommended online slots casino, and avoid any blacklisted sites, your personal details and your money will stay perfectly safe online. We independently test and verify every online casino we recommend so selecting one from our list is a good place to start.

How do welcome bonuses work?

Welcome bonuses reward players when they make their first real money deposit. The exact terms and requirements vary from casino to casino and some offers that seem too good to be true probably will be. Before you commit your cash, we recommend checking the wagering requirements of the online slots casino you're planning to play at. These will explain how much of your money you're required to deposit upfront, and what you can expect to receive in return. The best bonuses will offer large payouts on minimal deposits.

Which online slots pay real money?

There are a huge variety of online casino slots paying out real money prizes. These include classic three-reel slots, multi payline slots, progressive slots and video slots. Take a look at our list of top rated online slot casinos today to find the recommended games paying out real money right now.