Play the best real money slots online US 2024 🎰
Enjoy the best online slots at our recommended US online slots casinos. Get top slots bonuses, play free slot games, or take spinning the reels to the next level with our top tips. Ready to play? Check out our top rated real money slot for May below.
Best US online casinos for real money slots in May
Trending US online slots to try for free first
Still exploring online slots? We have 15,600+ free demos available for players in the US. Play for fun until you nail the experience then deposit real money to really boost your chances of winning. Here's a few of the most played casino slots this May.
Browse our full library of slot reviews
The latest slots casinos to avoid
Our experts set a high benchmark for trustworthiness and quality when reviewing casino slots online. Every casino they review is assessed by a rigorous 25-step process. This covers all key areas important to player experience: variety of online slot games, the software providers, welcome bonuses, security, how easy it is to deposit and withdraw, and mobile gaming. When a casino site fails to meet our standards, it gets added to our list of casinos to avoid.
The best US casinos for real money online slots 2024
Finding the best online slots for meal money doesn’t have to be difficult. Below we’ve listed the top slot sites and games for 2024 based on a range of categories. If you're looking to play slot games that pay real money, any casino guarantees a standout gaming experience. Take a look to find the best slots online rated by us!
⭐ Best online slots casino overall | |
🎁 Best slots casino for bonuses | |
💸 Fastest withdrawal slot site | Chanced |
🤑 Best paying slots site | Hello Millions |
🎰 Popular slots games | Starburst, Rainbow Riches, 88 Fortunes, Rich Little Hens |
🎮 Total online slot games | 15,600+ |
⚙️ Top slots software providers | NetEnt, Playtech, Microgaming, IGT |
📱 Online slots apps | iOS & Android |
What a top US slots casino offers you
A huge range of online casino slots you can play for fun
All the shortlisted online casinos here offer a great variety of slot games that pay real money 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 three-reel and five-reel titles. 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.
Solid games software that offers fair games at secure sites
The best gambling sites will always have online slots games from top software developers, such as Playtech, BetSoft, and Microgaming. You can be sure to find slots with great graphics and plenty of dynamic features that run smoothly, whether you're playing on desktop, iPhone, or a mobile device. When we recommend the best slots online for real money play, you can be assured that your money is in safe hands. You can rely on our recommendations being licensed by the relevant gaming authorities, and guarantee fair games using random number generators to put out those winning combinations on the reels.
Great welcome bonuses to use on high payout slots
A generous welcome bonus is a must for any reputable online casino for slots, particularly 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 online slot games themselves all offer high payout percentages to give you the best return on your bet, and cashing out any big win is very easy with all popular banking options. If you’re a winner, you can expect any funds to be in your account within hours.
Getting started at real money slots sites
If you want to play real money slots at online casinos in the US, just follow these simple steps. Spinning the reels couldn't be easier!
- 1Choose a top slots site: Browse our list of the best slots casinos in the US. Chosen by our experts, these sites are all safe and offer a huge array of quality online slot machines for real money. Decide which is right for you by considering available software developers, payment methods, payout speeds, and so on.
- 2Check out the slots bonus offer: All of the slots sites on this page offer new players a welcome bonus. See what you can claim, read the T&Cs, and take note of any bonus codes or minimum deposit limits.
- 3Register at the casino: You must now create a casino account. Sign up only takes a few minutes and a few personal details.
- 4Deposit funds: Of course to play slots for real money, you'll need to make a deposit first. At the best slots sites you can pay via the likes of Mastercard, Visa, and PayPal.
- 5Play your favorite slot games: Simply browse the casino lobby to find the perfect slot online for you. You can normally filter games by theme, paylines, bonus features, and more. Then, click the game to start playing.
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What would you like to play today?
Real money vs free slots
While free slots are a great way to play just for fun and to hone your skills before spending real cash, nothing quite compares to the thrill and excitement of playing online slots for real money. As you can see from the table below, both real money slots and free games come with their own advantages and disadvantages.
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Slots online for real money | An opportunity to win real cash, adding a huge element of anticipation to games | Real money players are rewarded with welcome bonuses, free spins and loyalty rewards | Real money play gives players the opportunity to play for progressive jackpots | Payouts sometimes won't be received instantly, and may take a few days | Players are risking a lot of hard-earned cash if they don't play responsibly |
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Free game slots | Can be played instantly with no app download or sign-up required | A chance to try games out before spending any real money | Can play anonymously without giving up personal information or bank details | Players miss out on the chance to win huge jackpots and other big prizes | Free play often does not qualify for casino bonuses or loyalty rewards |
Slots online for real money | Free game slots |
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An opportunity to win real cash, adding a huge element of anticipation to games | Can be played instantly with no app download or sign-up required |
Real money players are rewarded with welcome bonuses, free spins and loyalty rewards | A chance to try games out before spending any real money |
Real money play gives players the opportunity to play for progressive jackpots | Can play anonymously without giving up personal information or bank details |
Payouts sometimes won't be received instantly, and may take a few days | Players miss out on the chance to win huge jackpots and other big prizes |
Players are risking a lot of hard-earned cash if they don't play responsibly | Free play often does not qualify for casino bonuses or loyalty rewards |
The most reliable place to play thousands of online slots games
You can always play free slots and more online casino games without signing in or providing any personal details for free on Casino.org.
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Each of our reviews takes up to 6 staff members around 3 hours each
40+
We review slots casinos in over 40 countries
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We have revied and scored 400+ online slots and local casinos
4.4/5
Our recommendations have an average rating of 4.4/5 in 2024
Popular online casino slots types
At any top US online casino there are plenty of slot games to choose from. Real money slots range from the classic three-reel games based on the very first slot machines, to colorful and feature-packed video slots that come with bonus wheels and games, animations, and exciting new ways to win. Take a look at the online slot varieties below for an introduction to the main types of real money slots online.
- Three-reel slots
- Five-reel slots
- Progressive slots
- Multi-payline & multi-reel
- Video slots
- 3D slots
- Branded slots
Online slots by highest RTP in 2024
The following titles represent the highest payout slots games available at casinos online. This payout figure means the amount you would win back from your bets over a long period, though shorter term results are a lot more variable.
A benefit to you is the cut the casino takes in fees is the lowest with these titles. For context, the average payout on a slots game is 80%-95%.
- 1Avalon II - 97%
- 2Guns ‘n’ Roses - 96.98%
- 3Thunderstruck II - 96.65%
- 4Wheel of Fortune - 96.6%
- 5Mega Fortune - 96.4%
- 6Starburst - 96.1%
- 7Wizard of Oz - 95.99%
- 8Flaming Hot - 95.53%
- 9Book of Ra Deluxe - 95.5%
- 10Triple Diamond - 95.06%
As a slots player, the payout percentage tells you how much of your money bet will be paid out in winnings. This means you can work out how much you could win on average. For example, if a slot game payout percentage is 98.20%, the casino will on average pay out $98.2 for every $100 wagered. This is also known as Return To Player (RTP). We outline the RTP for each casino we rate so you can find the payout percentage on a slot machine easily.
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Slots strategy
Casino 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 to win. Experienced players follow a distinct slot game strategy, like only playing games with the highest payout percentages, practicing their bonus rounds, and knowing their paylines inside and out. Follow these guides to give yourself the best possible chance to win jackpots on slot machines online.
Quick online slots strategy tips
Go for smaller jackpots
Opt for real money slots games with smaller jackpots, over massive progressive prizes. The allure of a big win is understandable but you're far more likely to be a winner this way.
Give the classics a try
Simpler slot games tend to have a higher payout percentage. Sometimes it's worth sticking with the classic alternatives, even if that brand new video slot looks exciting!
Stick to safe sites
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.
Look out for bonus rounds
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.
Online slot games software providers
Online slot games are provided by software developers, and each online casino will typically offer a range of software providers to choose from. Below are some of the most popular developers that create top real money slots.
Microgaming slot games
Microgaming creates a range of real money slots that players love. Popular slot games include Mega Moolah, Thunderstruck II, and Pharaoh’s Fortune to name just a few. The developer has well over 20 years of experience in the industry and is known for offering top-quality casino games. Read our guide to learn more about Microgaming casinos.
Betsoft slot games
Betsoft offers a range of online slots for real money play. The developer has around 200 games in its portfolio including notable slots like Charms Treasures, Hot Lucky 8, Hearts Desire, and more. Betsoft’s games feature at plenty of well-known online casinos in the US. Read our full guide on Betsoft casinos to learn more.
Playtech slot games
Playtech is one of the world’s largest providers of casino games. When it comes to real money slots, they offer top titles like Age of Gods, Jackpot Giant, Great Blue, and more. Playtech was founded back in 1999 and is one of the longest-standing operators in the industry.
NetEnt slot games
NetEnt is one of the leading providers of online casino games. The developer has been creating games for more than 25 years with online slots like Starburst and Dead or Alive 2 in its portfolio. If you play slots online, you’ve likely played a game from NetEnt. Check out our NetEnt casinos guide to learn more.
IGT slot games
IGT, also known as International Game Technology, is a Las Vegas-based developer. When it comes to playing slots online for real money, you can choose from top titles like Cleopatra, Da Vinci Diamond, and Cluedo Classic. You can learn even more about the best IGT casinos in our full guide.
Get the best slots bonus at US casinos
Most online slot sites in the US will offer you a welcome bonus or a sign-up bonus when you register for the first time. Usually, this bonus is a percentage of your first deposit, but it may be a free spins bonus too.
Free spins bonuses on online slots allow you to spin the reels without spending your own money. These types of bonuses are usually playable on some of the best online slots, such as Starburst, but remember to read the terms and conditions carefully.
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 online slots with. Compare our top online slots bonuses below.
Best online slots casinos 2024
Rank | Slots Casino | Bonus Offer | Payout Speed | Play Now |
---|---|---|---|---|
#1
| McLuck | Exclusive Offer: 107,500 Gold coins & 35 FREE Sweepstakes coins | 3-5 days | |
#2
| WOW Vegas | 1.5 million WOW Coins + 35 Free Sweepstake Coins | 1-2 days | |
#3
| Hello Millions | 245,000 Gold Coins + 117.5 Free Sweepstakes Coins | 2-3 days | |
#4
| High 5 Casino | 5 Sweeps Coins, 250 Game Coins, and 600 diamonds | N/A | |
#5
| Stake | $ 25 Free Stake Cash + 250,000 Gold Coins | Instant | |
#6
| Fortune Coins | 20,000,000 Gold Coins + $50 Of FREE Coins | 1-5 days | |
#7
| Pulsz | Get up to 367,000 Gold Coins + 32.3 FREE Sweepstakes | 1-2 days | |
#8
| LuckyBird.io | Unlimited free chance to win BTC/ETH/USDT | 0-1 days | |
#9
| Funrize | Get 400,000 Coins + 1,000 FREE Entries | 1-3 Days | |
#10
| Chanced | 30,000 Gold Coins + 2 Sweepstakes Coins Free + 20 Free Spins Upon Sign-Up | - |
Last reviewed May 21st 2024
Frequently asked questions
How do online slots work?
The basic concept of spinning the reels to match symbols and win is the same with online slots and physical slot machines. The key difference with 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 slots for free?
Yes. Every reputable online slots casino offers you the option to play free slot games. This means you won't have to deposit any money to get started, you can simply enjoy the game for fun. While you also won't win anything, 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 checking the site's security and legitimacy, you want to look at the casinos that offer the biggest payouts in their slots lobby with high Return to Player (RTP) percentages, along with exciting slot themes and a great player experience. Also look out for jackpots and bonuses to top up your bankroll. To find out our top casino for this month head to our top recommended casinos.
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.
Which online slots payout the most?
Progressive slots games pay out the most money, with Mega Moolah being the record breaker at €18,910,668.01. There are a huge variety of online casino slots paying out varying sums. These include classic three-reel slots, multi payline slots, progressive slots, and video slots.
Are online slots rigged?
No, all regulated online slot machines are completely fair. The results are random every time, meaning that nothing in the game is rigged. To ensure fair play, only choose slot games from approved online casinos, such as those we list above. Playing at any of these will give you a fair chance of winning.
Can you legally play slots online for real money in the US?
You can enjoy real money slots online in Pennsylvania, Michigan, New Jersey, West Virginia, Connecticut, and Delaware. The legal gambling age in most US states is 21 but there are some exceptions. Make sure you find out whether online gambling is legal in your state and also what the legal gambling age is before you play.
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Written by Adam Ryan
A writer and editor with a penchant for games and strategy, Adam Ryan has been with the Casino.org team for eight years now. Having written for and edited numerous iGaming brands in his career, he’s something of a content sage when it comes to our iGaming copy in the US and Canada.
Fact Checked by Alexander Korsager
All US online casino details on this page were checked by our iGaming expert Alex. Last reviewed: May 14th 2024