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Best Real Money Online Slots – Top Games & Casinos

Posted by Joseph Ellison . Last updated:

Slots are the core of the online gambling market, and the market is really competitive for players. Each new slot offering tries to one-up others with the biggest jackpots, most engrossing graphics, and extra bells and whistles. Plus, each casino heavily competes for online gamblers, offering various bonuses, free spins, and other perks to slot players.

If  you are looking for the best online slots for real money in the US? Your search is over. Below, you’ll find the best casinos offering progressive slots, hot drop jackpots, slot game bonuses, along with tips and strategy to play and win.

Our Recommended Online Casinos for Real Money Slots

Ready to play some of the best online slots for real money for US players? Here are our top-rated casino sites right now:

  • Top Rated Casino
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    Jackpot City Review
    #2
    4.9/5
    BONUS $1000
    Min Deposit $20 300+ Slots
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    Spin Casino Review
    #3
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    Instant (Bitcoin) 10 days (check)

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    BetOnline Casino Review
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    Payout Speed

    1 to 15 Business Days

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    SportsbettingAG Review

Best Online Slot Casinos

Types of Slots

Slots Strategy & Tips

Most Popular Slots

Frequently Asked Questions

How to Play Online Slots for Real Money

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Sign Up at an Online Casino

Choose a real money online casino site using our reviews and sign up.

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Make a Deposit

Make a casino deposit at your account, and if you’ve used one of our recommended sites, claim your casino bonus.

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Choose a Slot

Slots are among the top online casino games, so each casino has several options. Choose an online slots for real money game type and a theme that interests you and start spinning.

Featured Online Slots Site

Jackpot City
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Jackpot City

Looking for a range of casino games, and the glitz, glamor and lights of the casino without even leaving your couch? Jackpot City Casino is the place for you.

What we love

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  • Unique variety of specialty games
  • 300+ of the best online slots to choose from

Types of Online Slot Games

Whether you’re playing slots for real money, or spinning for free, there is a wide variation of games that you’ll find at casinos.

You can choose by theme (the game might be based off a movie, a holiday, a band, etc.), but we recommend choosing by game type. There’s a wide variety here as well, but there are three types that are the most popular in US online casinos: 5-reel slots, 3-reel slots, and progressive jackpot slots.

green three reel slot machine

3-Reel Slots

The original slot machine layout

As the name suggests, 3-reel slots have three reels (columns). Players win big at real money slots by getting three identical symbols lined up on those reels.

Given the recent popularity of 5-reel slots, 3-reel slots are now slightly less common at online casinos, but definitely still have their place, especially for purists.

If you like 3-reel slots, check out 108 Heroes Multiplier Fortunes, Reel ‘Em In 2 and Caddyshack.

green five reel slot icon

5-Reel Slots

By far the most common variant

These games – as you might expect – have five reels (or columns) that players can spin. 5-reel online slots for real money offer players hundreds of ways to win, literally.

5-reel slots generally come with multiple paylines (winning combinations), often more than 25. In these online slot games, you’ll typically find the most bonus features, like free spins, wild symbols, scatter symbols, and more.

If you like 5-reel slots, check out Lock it Link: Night Life, OMG! Kittens and National Lampoons Vacations.

a celebration streamer

Progressive Jackpot Slots

The slot type where you can win the big bucks

Another game type that’s appropriately named, progressive slots are games where the jackpot grows each time a player spins.

When playing for online slots real money, each time a player spins the reel, a small portion of their spin contributes to the overall jackpot. Given the popularity of progressive jackpot slots, these jackpots can grow quite large and quickly.

The jackpots continue to grow until somebody wins, and then it starts all over again. Big wins on progressive jackpot games have paid millions of dollars, which is one of the reasons why the jackpot slot machines are always popular in land-based and online casinos.

If you like progressive jackpot slots, check out Heidi’s Bier Haus, Hot Hot 8 and Wizard of Oz: Not in Kansas Anymore.

a green laptop computer

Video Slots

Think online slots couldn't get more interactive? Think again.

Although there are definitely some old-school slot machines kicking around, video variants are the most common online slots for real money you’ll find online and at land-based casinos.

Video slots are pretty self-explanatory — they feature a computerized, interactive, and themed versions of your favorite games.

a three-tiered green triangle

Multi-Payline Slots

Even more chances to win

Also known as MegaWays or Paytable slots, multi-payline slots are very similar to other slots, but offer more than one payline.

Depending on the game, paylines can be won in different directions, which means you could win with your matches that don’t appear in a straight line, like a diagonal match.

If you like multi-payline slots, check out Lucky Little Gods, Dream Date and The Phantom of the Opera.

Common Online Slot Features

As you may have noticed, there are a variety of in-game features that you will see in nearly every online slots game available. Each symbol changes the game in a different exciting way.

Scatter Symbols

Scatter Symbols

Typically unlock free games and don’t have to follow paylines.

Bonus Games

Bonus Games

Usually activated by a scatter symbol, bonus games can be variations of the current game, or new games altogether.

Free Spins

Free Spins

Activated by symbols or part of a bonus game, free spins cost you nothing but still allow you to win.

Multipliers

Multipliers

Exactly what they sound like, these features multiply your win by whatever number they represent.

Wilds

Wilds

Just like in a card game, wild symbols can count as any symbol (except scatters/bonuses).

A Guide to Playing Slots

Online slots are bright, flashy and fast – but that doesn’t mean they’re confusing. They’re just as simple as they are in physical casinos.

The goal is to spin the wheel until you find enough matching winning symbols on-screen.

There are differences per game variation, but your goal always remains the same when learning how to play slots: match winning symbols on screen to win jackpots.

Learn How To Play Slots

a man and woman play a slot machine

Strategy & Tips for Playing Real Money Slots

game of chance white

Slots are a Game of Chance

There is no “winning strategy” – play for fun. Choose a game with a theme that interests you and just enjoy spinning the reels.

money, calculator, bankroll icon white

Manage Your Bankroll

You’re going to want to play for a while. Casino bankroll management and making smart wagers that will allow you to continue playing for a significant period of time.

percent symbol icon white

Know the Payout Percentage

All slots are tipped in the casino’s favor, but not by the same amount. Our slot reviews all include the Payout Percentage – the higher, the better.

Top Online Slots Software Developers

The ability to play these slots online at real money casino sites is made possible by the huge variety of casino software providers in the market. There are a large number of casino software companies in the space, which can make it difficult to know which are reputable, and which aren’t.

Luckily for you, the casinos we recommend at Gamble Online are all thoroughly vetted, and have partnered with the best casino software providers on the market to provide American gamblers an excellent variety of games for internet play.

Realtime Gaming

An industry-leader in the casino games space since 1998, Realtime Gaming offers over 300 new and classic games in multiple markets. Beloved online slot franchises like Caesars Empire and Food Fight fall under RTG’s impressive game portfolio.

Realtime software powers slot machines for mobile devices and progressive jackpots. Also, they include exclusive online slot games such as Jackpot Pyramid and Boiling Point Jackpot.

BetSoft

Since 2006, Betsoft has carved out its own niche in the competitive gaming space and best-known for their wide variety of 3D games, ToGo™ mobile offerings, iconic desktop games like “Take the Bank” all audited by various independent certifications.

They’ve won a number of awards including Malta iGaming Awards and RNG Casino Supplier of the Year multiple times.

Rival

Founded in 2005, Rival has steadily licensed their games to more and more online casinos, eventually becoming an industry leader in the US space.

The company hangs their hat on a trademarked line of i-Slots software. This technology allows players an immersive experience of 3-and-5-reel online slots, progressive jackpots, video poker and table games.

By embracing HTML5, fans of Rival slots can also play on mobile devices and gaming apps no different than one’s desktop experience.

NetEnt

Net Entertainment, better known as NetEnt, has been around since 1996, providing USA players with the best in real money online slots.  In 2013, they launched into live dealer games and in 2016, brought those titles to mobile devices.

Pragmatic Play

Pragmatic Play is relatively new to the online casino scene, launching in 2015. Not only do they serve the United States with fantastic online slots, but they’re known all over the world. This award-winning casino software provider isn’t slowing down.

How Online Slots Work

With all the flashy graphics, numerous paylines and aesthetically pleasing sound effects, some new players may find slots overwhelming at first. We are here to assure you the games are not. When you break down how slots work on the web, it’s all very simple.

two equivalent stacks of green poker chips

Bet Credit / Bet Max Credit

After learning how to play the specific slot game, you’ll first need to bet a credit. Every slot machine’s cost to play varies, but one credit typically earns you one spin of the reels. If you elect to bet Max (maximum) credits, you’ll unlock larger prize pools. In fact, betting Max credits typically makes players eligible to win the online casino jackpot on specialty slot machines.

If playing real money slots, the credits you bet will be representative of money either from your deposit or any bonus you have picked up.

green five reel slot icon

Reel Paylines

After you wager a credit, you need to pick your payline. Classic slot machine paylines simply go straight across, but modern online slots feature paylines that can win vertically, horizontally, diagonally and, thanks to scatter symbols, dozens of paylines exist. The more paylines you select to play, the more credits the online slot game will require.

a green slot machine with a handle on the right side

Spin / Auto-spin

With bets placed and paylines selected, it’s time to spin. Depending on the game you’re playing, an online slot can be spun once or multiple times with one click and the software’s Random Number Generator (RNG) algorithm will randomly come to a complete stop after a period of time. The RNG is licensed and regulated by third-party authorities for quality and safety, so that it can be trusted by the casino operator and their players.

If you decide to use auto-spin (or auto-play), you’ll pre-pay for X-number of reel spins and be charged accordingly. For example, if you want to auto-spin 5x, you’ll be charged the bet credit multiplied by how many paylines you select, multiplied by how many auto-spinsyou decide.

a celebration streamer

Collect Winnings

After the online slot reels come to a complete stop, the screen will let you know if you won or not. Most modern casino games offer some animation to highlight the fact that you won before adding credits to your casino account. If you lost, it’s time to spin again.

green bag full of money icon

Payout

You’ve hit the big slot jackpot and are ready to cash out! Now what? Head on over to the casino’s cashier page and start to process your payout. Typical slot machine withdrawals take a few days, but can be expedited if you request your winnings in cryptocurrencies like Bitcoin.

Fairness in Real Money Slots

man playing slots online, wins online slot jackpot, furloughed new jersey worker wins online slot jackpot

When looking to play slots with your own money in the United States of America, finding safe casino sites should be a top priority. Understandably, many players have questions regarding the fairness of slots given that they are a luck-based game. What you need to know is that good, reputable casino sites are heavily regulated.

Safe, secure casinos will show a selection of licenses in the footer of their website. All the sites recommended on Gamble Online are licensed and tested by independent, third-party auditors such as eCOGRA and the Malta Gambling Authority. These regulators have world-class reputations, in-depth auditing and strict rules, which each casino must abide by in order to earn certification.

For online slots, one such rule is that operators must use Random Number Generators (sometimes referred to as RNGs) in the software to ensure that each spin is completely random. This randomness prevents the game from being rigged, though it does not prevent you from hitting a losing streak! With RNGs, the outcomes are random and past spins have no bearing on the result. We also discuss this factor in our online casino reviews.

The Latest US Slots Casinos to Avoid

When reviewing the online casinos offering slot machines, some of them did not pass muster. The following casinos do not live up to Gamble Online’s rigorous standards. Therefore, we recommend you avoid them when finding a place to pull the virtual lever of online slots.

  • winpalace casino logo
    WinPalace Casino
    • Slow payouts
    • Frequent user complaints
  • slots jungle casino logo
    Slots Jungle
    • Denied Payouts
    • Poor Customer Service

Find the Perfect Online Slots Casino

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How to Choose The Best Real Money Slot Games

Game variety matters. That’s why all of the casinos recommended on this site have a huge variety of slot games available. Choosing which slots to play can be overwhelming, so here are a few things you should factor in:

Return to Player Rate

Return to Player Rate

We recommend never playing real money slots with less than 97% RTP.

Smooth Graphics

Smooth Graphics

Find slot games which play well on your chosen device. This includes fast and smooth graphics.

Great Themes

Great Themes

Whether it's an original or licensed theme, find a game which you love the look of.

Bet Size

Bet Size

Are you a high or low stakes player? Most slot games have bet limits, so choose one which fits the bill.

Volatility

Volatility

Some slots pay little and often, and some pay huge jackpots infrequently.

Jackpots

Jackpots

Finding a progressive jackpot or even the new, exciting hot drop jackpot can increase winnings from fun to life-changing!

Where to Play Free Online Slots

Many casino operators let you play their games for free in demo or practice mode. This is fantastic as you can browse the site, test the games and ultimately decide whether or not to play online slots for real money there! We recommend playing free online slot games in demo mode first to see how often you win, how much you win and how you like the gameplay before risking any of your own money.

Some of the casinos which will let you play free online slots include:

Casino Online Slots Welcome Bonus Play
Ignition Yes $3000 Free Slots at Ignition
Bovada Yes $3000 Free Slots at Bovada
Cherry Jackpot Yes $8000 Free Slots at Cherry

You can find many more casinos with free play options by checking out our online casino reviews.

Pros & Cons of Playing Free Slots Online

Like everything else in life, there are pros and cons to playing free online slots at our top-rated gambling sites.

three reel slot game jackpot

Pros

  • No account needed to play
  • No need to make a first real money deposit
  • Learn how to play new games before wagering
  • Study advanced paylines to improve strategy
  • Practice at your own pace

Cons

  • No welcome bonuses
  • No free spin promotions
  • Limited slot game variety
  • Limited customer support access without account

What About Playing Slots on Mobile?

Whenever you have a few extra minutes on your hands, whether you’re early for an appointment or relaxing at home, you can play real money slots on your mobile phone! The vast majority of online casinos allow registration and deposits through a smartphone, so as long as you have a data plan or good Wi-Fi, you could be playing in minutes. You can find tips for playing real money slots on Apple and Android devices in our full guide to mobile slots.

What you need to know is that playing slots on a smartphone is incredibly similar to playing on a desktop, and indeed some of the games and jackpots are exactly the same. Many iPhone casinos also allow you to play free online slots on mobile, through demo or practice modes. Most Android casinos allow you to do the same. If you’re looking to find the perfect gambling site on your smartphone, why not check out our guide to mobile casinos for real money?

Top Online Slots Bonuses & Payout Speeds

Casino Name No. of Slots Bonus Payout Speed Free Play Try Now
1. Ignition Casino 100+ $2,000 ($3,000 Crypto) 24-48 hours Yes TRY NOW
2. Bovada 200+ $3,000 ($3,750 Crypto) 15 minutes – 15 business days Yes TRY NOW
3. Wild Casino 125+ $5,000 ($9,000 Crypto) 15 minutes – 7 days No TRY NOW
4. Cherry Jackpot 130+ $8,000 1 – 10 days Yes TRY NOW
5. Cafe Casino 300+ $2,500 15 minutes – 10 business days Yes TRY NOW

 

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