Best Real Money Slots: 19 Online Slots Sites for USA Players in 2021

Real money slots let you play for free or with your own cash, with the purpose of trying your luck at winning big. All you need to do is find an online casino that’s right for you, make your first deposit – and get playing for the chance to win real money! 

In this review guide, we’ve rounded up the highest rated slots for real money available to players in the US. All these online casinos have been tested to ensure safety, security, and playability, and while not every single one will be right for you, you might find your next favorite slot site in here somewhere!

So let’s take a look. 

First Look:

  1. Best real money slot site for Frog Fortunes – Red Dog Casino 
  2. Best real money slot site for Viking Treasures – Cafe Casino 
  3. Best real money slot site for Peak Riches – Super Slots
  4. Best online slots for Book of Pyramids – mBit Casino
  5. Best slot site for Lucky Irish – Intertops
  6. Best online slots site for Ancient Gods – Las Atlantis
  7. Best online slots site for A Night With Cleo – Ignition
  8. Best online slots site for Gold Rush Gus – 
  9. Top online slots casino for Cyberpunk City – Bovada
  10. Best online slot site for The Golden Inn – Wild Casino 
  11. Best slots casino for Cleopatra Gold – Slots Empire
  12. Best for Dream Run – El Royale 


  1. Big Spin Casino
  2. BetOnline
  3. Juicy Stakes
  4. BitStarz
  6. 7Bit Casino
  7. MyBookie

Ranking Methodology: How We Chose Our Real Money Slots Sites 

Reputation – The first thing we looked for is a casino site’s reputation to make sure it’s legit. We checked each casino’s license and customer reviews. We also checked for things like how secure the sites are. 

Variety of real money slots – We know that variety is so important to slot players, which is why we looked for online casinos that have a good selection of different real money slots online. These may include 5 and 3-reel slots, video slots, progressive slots, and more. 

Payout percentage – To help you maximize any potential winnings, we rounded up online casinos that have the best payout percentages. 

Slot bonuses and promotions – Lastly, we chose online casinos that offer slots-specific bonuses and promos, such as free spins and extra perks. 

Best Online Casinos for Real Money Slots

1. Red Dog Casino – Best Real Money Slot Site for Frog Fortunes

  • Attractive slots welcome bonus 
  • 200+ slot games
  • Brand new site 

The fun at Red Dog Casino begins with a mammoth 200% slots bonus that includes free spins for new players. This is followed up by over two-hundred slot games to choose from, and the fact that, while betting with real money is important to you, you can also play in “practice mode” before you begin staking your own cash. 

This is true for Frog Fortunes, our top slots pick at Red Dog. Created by RTG, Frog Fortunes is a unique-looking 3×5 reel slot game consisting of 243 paylines.

One slight mark against the site is that it’s still brand new. However, this is a trustworthy, easy-to-use casino that also offers plenty of payment methods and good customer service. 

2. Cafe Casino – Best Real Money Slot Site for Viking Treasures 

  • Attractive welcome bonus
  • Long list of slot games
  • Bitcoin accepted 

Cafe Casino is a real money slots site only available to US players. It’s a legit, safe and secure site to use that offers great bonuses, a good selection of slot games, as well as an all-round solid online casino experience. 

Its best slot is Viking Treasures, a Radi8-produced slot game that has an RTP of 97.03%, and which gives you the chance to win free spins as you go along. 

Its bonuses are where we feel it stands out. At the time of writing, you can grab a 250% match welcome bonus, and there is also a very attractive VIP program that rewards loyal players over the long term. 

It’s slightly disappointing that huge progressives are missing, but Bitcoin is accepted and the mobile client is excellent. 

3. Super Slots – Best For 5-Reel Slots for Peak Riches

  • 250+ slots 
  • Two live casinos
  • Bitcoin accepted 

Super Slots lets you play for real money. And while it primarily focuses on 5-reel slots, there’s still so many to choose from (250+ altogether). 

5-reel slots you can play here include Jungle Stripes, Money Wagon and Safari Stampede. However, our top pick is the alpine-themed Peak Riches, a slot game produced by Nucleus Gaming that has a max payout of $8,000. 

Some players might be put off by the fairly high wagering requirements, but the welcome bonus itself is very generous otherwise, and you can deposit using numerous payment methods including Bitcoin.

4. mBit Casino – Best Online Slots for Book of Pyramids

  • 5 crypto’s accepted
  • 2000+ slots games
  • Stylish look

mBit Casino is one of the world’s best “cryptocurrency casinos”. It’s a real money slots site focused on modern players who prefer to deposit and withdraw using Bitcoin, Bitcoin Cash, Ethereum, Dogecoin, and Litecoin. 

Does it work just as well as a “regular” online casino?

You bet. 

Helpfully, mBit Casino has an entire section dedicated to their top 5 high RTP slots. These include Book of Pyramids, a video slot which has a 97.31% RTP

5. Intertops – Best Slot Site for Lucky Irish

  • New online slots games added often
  • Progressive slot games with big jackpots 
  • Sports betting available 

If you want to play real money slots and have a dabble at sports betting at the same time, Intertops might be worth checking out. You’ll find a good variety of slot games in the “casino classics” section of the site, including lots of high jackpot progressive slot games, where the jackpot often exceeds $10,000. 

Video slots are available too, as are 3-reel slots. Our favorite 3-reel slot is Lucky Irish, which, while it doesn’t have the highest RTP in the world, is a popular Playtech slot with 30 betways and a number of exciting bonus rounds. 

And while Intertops could perhaps benefit from more payment methods, there’s not much else to dislike here. Poker is available, as is blackjack and roulette, and you’ll find even more slot games in the “Casino Red” section. 

6. Las Atlantis – Best Online Slots Site for Ancient Gods

  • 200+ online slots
  • Excellent web design
  • Generous welcome offer 

Las Atlantis has a unique (and really cool) “underwater casino” theme complete with silky colours. But while some users will love the way it looks, its theme can also count against it as we feel the user interface can be a little tricky to navigate at first. 

However, once you’ve settled into the site you’ll soon find that there is a good selection of real money slots available – 200+. These include the real money slot machine Ancient Gods, a still fairly new slot game launched by RealTime Gaming that has 25 paylines and a max payout of 50,000x bet per line. 

7. Ignition – Best Online Slots Site for A Night With Cleo 

  • Daily poker tournaments 
  • High traffic site
  • Bitcoin accepted 

If your twin passions when it comes to online gambling are slot games and poker, Ignition is at least worth a look. It’s the USA’s premier poker site in terms of traffic, there are daily and weekly tournaments, and it’s a soft site ideal for recreational gamblers.

That said, pros are welcome too. 

On the flip side, there’s no rakeback anymore at Ignition, or even a VIP program. However, the high quality slots games include the Bodog Group’s A Night With Cleo, a 5×3 slot that gives you the chance to win 180 free spins. 

8. – Best Online Slots Site for Gold Rush Gus 

  • 90 online slots
  • Poker available 
  • Crypto prizes each day 

You’ve probably already guessed by its name that is a real money slots site committed to a top-notch slot machine experience. And true enough, it offers a compendium of online slot games that cover numerous types, from 3-reels to video slot games. 

However, where this site stands out is with its high payout percentages, regular progressive jackpots, and other ways it helps you win more. You can even win as much as $1,000 in cryptos every single day. This is helped by slot machines like Gold Rush Gus, a high limit game that gives you the chance to win big. 

A lack of an official license might put some players off, but fear not – this is a legit casino site that’s legal to play in the USA. 

9. Bovada – Top Online Slots Casino for Cyberpunk City

  • Hugely reputable gambling site
  • Ideal for sports bettors
  • 200+ online slots

Bovada is mostly known for its sportsbook, which is easily one of the best in the USA. It offers reduced juice, early odds and lines, as well as all kinds of bet types, including futures on big events. It also covers a huge amount of sports and live betting is available.

Located in a separate section to the sportsbook are the slot games – over 200 of them! These are provided by the likes of Real Time Gaming, and include progressive slots and popular classic slot games like Cyberpunk City, a slick, neon-inspired 5-reel video slot that comes with 20 paylines and a max win of 40,000x bet per line. 

Deposit fees on credit cards are a tad high for our liking, but there are multiple payment methods available including Bitcoin.Bovada is one of the most reputable and safest US casinos around. 

10. Wild Casino – Best Online Slot Site for the Golden Inn

  • 300+ online slots for real money
  • Numerous blackjack variants 
  • Friendly customer service 

Wild Casino is another online slots for real money site that you can gamble at for real money in the USA. Overall, this is a solid and reliable (if unspectacular) casino site that offers an attractive welcome bonus, good game variety, and helpful customer service. 

And if you like your pub-themed slots, The Golden Inn might tickle your fancy. This is a classic slot game produced by Nucleus Gaming that comes with 80 paylines, and which is stuffed with multipliers.  

11. Slots Empire – Best Slots Casinos for Mobile

  • Excellent mobile version 
  • Poker available 
  • Slots welcome bonus 

Slots Empire has a huge array of mobile online slot games. Because they play so well on mobile, and because the mobile version of the site is outstanding, Slots Empire is the one we recommend if you want to play your games on the move. 

Moreover, Slots Empire is part of an established gaming network that provides many other high quality casino games, including blackjack and roulette. They utilize top software providers too, such as Real Time Gaming who are responsible for Cleopatra Gold, a real money progressive slot with an RTP of 96.37% and which comes with numerous bonus rounds. 

There’s also a slots bonus on the table for new players, poker is available, and you can play slots for both real money and for practice. 

12. El Royale – Best Welcome Bonus 

  • Attractive welcome bonus
  • 12 poker variants
  • Huge list of online slot machines 

Whether it was named after the so-so movie or not, El Royale is an elegant looking casino site that, with its theme, takes you back to the times when playing at a casino is a game for gentlemen, ladies and a cocktail or two.

We love the sumptuous colors (mainly purple and back), but it’s the very generous welcome bonus that will catch the eye of most players. They’ve got a great selection of slots too, including the popular video slot Dream Run. This is an exciting, action-packed progressive jackpot slot that pits you The Racer versus an Opponent. 

13. Big Spin Casino

  • Poker available
  • Daily promos
  • 3D slots

14. BetOnline

  • Online sportsbook available 
  • Daily contests
  • Live dealer games

15. Juicy Stakes

  • Poker oriented site
  • 350+ casino games
  • Exciting promotions

16. BitStarz

  • Bitcoin casino
  • 180 free spins for new players
  • Excellent customer service


  • Reputable sportsbook
  • Fast payouts
  • Bitcoin accepted

18. 7Bit Casino

  • Bitcoin casino 
  • Fully licensed
  • 4000+ games

19. MyBookie

  • Online sportsbook available 
  • 200 casino games
  • Great choice of slots 

Real Money Slots FAQ

Which Real Money Slots Payout the Most? 

The best payout slots include:

  • Gladiator ($2,000,000+ potential payout)
  • Cleopatra ($2,000,000+ potential payout)
  • Mega Moolah ($1,000,000+ potential payout)
  • Gold Fish ($1,050,000+ potential payout)

Gladiator is especially one of the best slot machines for high payouts, and once paid out as much as £2,500,000.

How Do Real Money Online Slots Work? 

Each real money online slot machine comes with an inbuilt random number generator computer that’s busy creating random sequences all the time. So when you stake your money and start playing, the last spins won’t have any bearing on what happens with the next sequence. 

This is because the odds remain the same, regardless of whether the jackpot was just won by someone else or not. 

Are Real Money Online Slot Machines Rigged? 

Real money online slot machines available at fully licensed online casinos are not rigged. This is because they use the aforementioned random number generator computer to determine the outcome of every single spin.

Moreover, licensed casinos are held to account by the gambling commission and are closely scrutinized for fairness and transparency. Whether you win or lose largely comes down to chance. 

What Is the Best Slot Machine to Play Online?

There’s no one answer to this, as everyone will have their favorite slot machine. But some of the most popular slots online include:

  • Asgard (play at Red Dog Casino)
  • Jungle Stripes (play at Super Slots)
  • Aztec’s Millions (play at Las Atlantis)
  • 777 (play at Wild Casino)
  • Caesar’s Empire (play at Slots Empire) 

Which Bonuses and Promotions Can I Get When Playing Slots? 

Free spins – This is the most popular type of bonus you can get when playing a slot game. It’s sometimes available as part of a welcome bonus but sometimes the casino will offer it either randomly or periodically to loyal players. The amount of free spins varies from bonus to bonus, and they can only be used on specific slots. 

Bonus rounds – All the best games have bonus rounds built into them that boost your chances of winning cash prizes, free spins and extra perks. 

Deposit bonuses – Some sites, such as Red Dog Casinos, have special slot deposit bonuses aimed at new players. These can take the form of free spins but also free money to get you started.

What Are Free Slots? 

Free games are just the same as real money slots. They look the same, they play the same, and they use the same software. The only difference is that you can’t win any money playing online slots for free. Instead, they’re just for practice purposes, or for fun when you still want to play but don’t want to stake your own money. 

How to Choose a Slot Casino? 

When choosing a slot casino, you have to base your decision on the things that matter to you. For example, what types of slots do you prefer to play? If you prefer 5-reel slots, you’ll want to find a casino that has a good selection of 5-reels. Or, maybe you prefer video slots or progressives. Or maybe you want to find a casino that offers a good selection of all types. 

Of course, there’s more to a slot casino than just slot games. You’ll also want to take a look at the other casino games they offer to see if they have the ones you like to play, such as poker, blackjack, and roulette. Or perhaps you might be interested in sports betting. Take a look at the maximum table limits, the number of variants, and whether there are any live versions of the games, too.

Other things to look out for are a slots casino license, its payment methods (has it got your preferred banking options and what are the fees?), its user interface (how good is the gambling app?), its mobile version if you prefer to play on the move, as well as any bonuses and promos that might be on offer. 

What Payment Methods Can I Use When Depositing to Play Online Slots? 

There range of payment methods you can use to play slots for real money varies from cryptocurrencies to credit cards and bank transfers, and the exact ones depend on the casino site itself. However, some of the popular payment methods that you can find at most slots sites include:

  • Credit and debit card
  • Mastercard 
  • Bank transfer 
  • Check 
  • PayPal
  • Neteller
  • Skrill 
  • Bitcoin 
  • Litecoin 

Final Thoughts on Real Money Casinos for Slots

Playing online slots is more fun when we choose the site that’s right for us. And if you’re looking to play for real money, you need to find the best sites with high RTP slots so that you maximize your winnings. 

You can win real money playing at all the sites on our list, but it’s important that you take a closer look at each one before making your decision. 

Just make sure to check that the casinos have got what you want in terms of licenses, security, game selection, payment methods – and, of course, slots! 

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