Best Online Slots Real Money in 2024

Overview of the 12 Best Real Money Online Slots

Best Online Slots and Online Casinos to Play for Real Money

Though always looking to go one step better, we’ve not only listed our favorite slots but also our favorite online casinos that offer each of these slots. So when you find the one you like, you’ll get the best location, plus the best welcome bonuses.

#1 DraftKings – Best for Dead or Alive 2

With an RTP of 96.82%, a unique bonus system, and an ability to play for as little as nine cents per spin — Dead or Alive 2 is one of those slots everyone loves. Developed by NetEnt in 2019, the Western-themed Dead or Alive 2 took everything great about its predecessor and made it better.

The cartoonish aesthetic of the original Dead or Alive is gone. In its place is a more gritty and sharp look where the wild symbols all brandish weapons. And that’s very apt for how it plays. With only nine paylines and high volatility, it can scare some users away, but try it once, and you’ll immediately understand why it’s a mainstay on pretty much every top 10 slot list.

The base game has a low hit rate. However, that’s to be expected with a game like this, and if you want the chance to either win more often or to win big, you’ll need to reach their bonus game by collecting three of their smoking gun scatter symbols.

For me, this is what takes Dead or Alive 2 from good to great. You choose the volatility. You choose the bonus game. Do you want to go for that max win of x111,111 your stake with the high noon saloon, or do you want to win often with the train heist? It’s your call. Personally, I’m all about the dream payday, and so I go for High Noon Saloon, where wilds are sticky for the entirety of the free spins, and they multiply with each additional one that you get on the same reel.

If Dead or Alive 2 interests you, you’ll want to go with DraftKings Casino. Available in NJ, CT, WV, MI, or PA — DraftKings has the highest welcome bonus available where new users who register using our links will not only get their first deposit matched for up to $2,000, but also you’ll get a no-deposit bonus of $50 just for signing up.

#2 Caesars Casino — Best for 300 Shields Extreme

The word extreme is often overused. But the Spartan-themed 300 Shields Extreme by NextGen Gaming is definitely deserving of that title. The base game itself can seem a little standard, with a basic 5×3 layout accompanying a 95.29% RTP and high volatility. Though what makes it extreme is its bonus rounds and how you reach them.

While you can still get it the usual way by collecting three scatter symbols, you can also purchase it for a premium of x60 your stake. Either way, the bonus rounds change the aesthetic to one of war where blood washes the reels after each spin. With only five free spins and an initial multiplier of x2, it can seem underwhelming at first glance. But as you collect the shield scatter symbols, you’ll gain additional spins with higher multipliers leading up to an extreme x300 multiplier where that max pay of x17,770 your stake can become a reality.

While bonus rounds are usually consistently profitable, with 300 Shields Extreme, the returns will be either one of two things. Very disappointing. Or massive. Its high volatility at its most extreme, and I’d only recommend this game if you’re like me and are after the adrenaline-filled experience. A follow-up release under the 300 Shields Mighty Ways slot name is also out now.

The best place to experience 300 Shields Extreme is with Caesars Casino. Here, exclusive to our readers, you can get your first deposit matched 100% up to $2,000. Just make sure to use promo code GUSA if you live in PA, MI, or WV and code GUSAS if you’re in NJ.

#3 BetMGM — Best for Immortal Romance

Starting with the good, Immortal Romance by Microgaming is a game that rewards the more you play it.

With a unique bonus system that changes the more often you get it, it’s a game that, as already mentioned, should mainly be played if you’re the sort of person who likes to play the same game over and over. Moving to the bad — and this will of course vary from person to person is that the theme is one that I’m not a fan of. It’s vampires. However it’s Twilight vampires, having been made during the craze in 2011. If that’s your thing, and you’ve seen all the movies, then you’ll love this game. I don’t. So for me, the pop song that plays during the bonus rounds and romantic subplots is something that I mute and glaze over.

Moving to the technical details, Immortal Romance is excellent. Though it’s not a megaways, the mechanic for matching symbols is similar where there are no paylines, and instead, symbols can line up in any order. Plus, a high volatility mixed with an RTP of 96.86% is up there with the best. There’s a lot to like about this game, and if the theme is your thing and you’re looking for a game to binge-play — Immortal Romance is in a league of its own.

With the game being suited to long sessions and small stakes, the best casino to play it on is one with a high deposit bonus in addition to a no-deposit bonus. To that, BetMGM Casino is a clear favorite. Exclusive to our readers from NJ, WV, PA, and MI — when you use code GAMBLEUSA when you sign up, you’ll not only get your first deposit matched dollar for dollar up to $1,000, but you’ll also get $25 free.

#4 FanDuel — Best for Raging Rhino

Developed in 2015, the African savanna-themed Raging Rhino by WMS is a six-reel four-row slot with very high volatility. While many slots live and die by their bonus features, Raging Rhino is one that a lot of people love because of its base game. The hit rate is low. Though using the same megaways-esque mechanic as Immortal Romance, it means that when it does, its 95.91% RTP kicks in, usually resulting in a big payout.

One thing that people love about Raging is its wide staking limits. From $0.40 to $60 — no matter your budget, Raging Rhino is for you.

With such high volatility and a low hit rate, Raging Rhino comes with many risks. For that reason, we believe that the perfect casino to play it on is FanDuel. With the FanDuel Casino bonus, you are covered for up to $1,000 worth of losses in the first 24 hours. This takes the relatively high risk of Raging Rhino, and drops it to virtually zero risk. Just make sure to register using our links to get access to this offer. FanDuel Casino is only available to residents of NJ, PA, MI, and WV.

#5 BetMGM — Best for Wheel of Fortune Megaways

So often overlooked, Wheel of Fortune Megaways by Big Time Gaming has developed a loyal following thanks to its iconic theme and fantastic features. Like most megaways, Wheel of Fortune is a game that has so many features and is perfect for the sort of player looking for something a little different.

Their wild megastack feature, when triggered, covers the reel in wilds. Their free spins can be won by collecting at least three scatters, and award 12 free spins, though additional scatters award extra spins. During this mode, users can take part in a Big Time Gaming hallmark with their expanding wild slot feature. During this, when collecting an expansion symbol, the reel that it is triggered on will expand by one row. As Wheel of Fortune is megaways, this just further increases the number of ways you can win and is crucial in hitting their max win of x80,150 of your stake.

Like most megaways, Wheel of Fortune has high volatility. But it also has high profitability, with an RTP of 96.46%. If you’re looking for something with a lot of features, Wheel of Fortune Megaways is for you.

#6 StarDust Casino — Best for Gonzo’s Quest Megaways

One of the most beloved franchises in all of online, the conquistador Gonzo is back with Gonzo’s Quest Megaways, released in 2020 by Red Tiger. The raw stats of this game aren’t overly impressive, with medium-level volatility and an RTP of 96%. Likewise, the bonus game — while very rewarding is very difficult to achieve, requiring three scatter symbols to line up in adjacent reels starting from the leftmost reel. However, in its place, you get one of the most enjoyable slots available.

Cascading mechanics mean that when you match symbols, they break, and new ones fall in, leading to the possibility of long-winning streaks.

And for each additional time that you match symbols in a single spin, a multiplier is applied. Starting at x1 and leading to x5. This means that while Gonzo’s Quest Megaways doesn’t have the best hit rate, when it does hit and long streaks occur — it can lead to massive wins.

Given that Gonzo Quest Megways is a game of infrequent streaks, we’ve decided that the best casino to play it on is StarDust. While only available to residents of Pennsylvania and New Jersey, StarDust has a similar bonus as FanDuel, wherein any losses incurred after the first 24 are covered up to $1,000.

#7 Borgata Casino — Best for 9 Masks of Fire

While new features can be exciting, some games show that simplicity can equal brilliance. And 9 Masks of Fire by Digital Gaming Corporation does precisely that. With medium volatility and an RTP of 96.24%, 9 Masks of Fire is just as good for those on a budget with their $0.20 stakes as for the high rollers with a max bet of $60.

While free spins can be won, it’s the masks of fire that are the star of the show. Collect nine and walk away with x2,000 your bet. Overall, there isn’t too much to discuss here. The theme is one of intangible heat. Vague? Yes. But it gets you in the zone. Likewise the features are as straightforward as it gets — with even the symbols of BAR, cherries, and 7s being as iconic as it gets. If you’re looking for a blast from the past that still has good profitability, you should check out 9 Masks of Fire.

If you’re used to playing games with more bells and whistles, this one might not seem all too appealing. As such, we’ve decided that Borgata Casino is the prime destination to play 9 Masks of Fire. This is because on top of their bonus of matching your first bet up to $1,000, they also offer $20 free simply for registering when you use code GUSA during sign-up. With this free deposit, you’ll see that sometimes the best slots are simple. Borgata casino is available in both New Jersey and Pennsylvania.

#8 Golden Nugget — Best for 88 Fortunes Megaways

Some people love it. Some hate it. 88 Fortunes Megaways by SG Digital was released in 2019, and since day one, it’s been divisive. On the one hand, the 96.27% RTP, plethora of bonus features, megaways, and cascading mechanics can make it one of the most exciting slot machines available. On the other hand, is very high volatility accompanied by one of the lowest hit rates of all slots.

One thing that draws praise from both sides though is its availability. At a mere $0.08, it can be played with the lowest of budgets, while the max bet of $88 provides interest at the other end of the spectrum.

It’s a complicated game. One that you truly need to see for yourself to find out if you either love or hate it. Fortunately, with our top casino of Golden Nugget, if you live in New Jersey or Michigan, you won’t need to risk a penny — because by signing up using our links, you’ll not only get access to the bonus of a 100% matched bet of up to $1,000 but also 200 free spins on 88 Fortunes Megaways. This makes Golden Nugget the clear best casino for 88 Fortunes Megaways.

#9 UniBet — Best for Guns N’ Roses

There’s nothing that gets you into the zone like that opening rift of Welcome to the Jungle, and when you open up Guns N Roses by NetEnt — that’s exactly what you’re greeted with.

A common theme when developing slots with mainstream branding is that developers will use that name as an excuse to offer low RTP with horrible hit rates. With Guns N’ Roses, that couldn’t be further from the truth. A 96.98% RTP with low-medium volatility means that you’re winning all the time when you play it. On top of that, there’s little barrier to entry. The lowest stake is $0.20, and the highest is $500.

The base game is excellent. A good hit rate with decent-sized wins, all while your choice of Guns N’ Roses song is blasting through — but in addition to this, Guns N’ Roses has enough bonus features to keep you entertained for hours. Solo multipliers are triggered at random and can multiply a winning by x10. While the bonus rounds which can be achieved by getting the bonus symbol on reels 1, 3, and 5, can award three different types of bonuses. My favorite is the encore free spins which spawn a reel full of wilds for ten free spins.

For residents of New Jersey and Pennsylvania, you can play the Guns N’ Roses online slot machine on Unibet Casino. Plus, by using the Unibet promo code UBCASINO10, you’ll get $10 on the house just for signing, and when you decide to deposit you’ll also get your first deposit doubled for up to $500.

#10 888 Casino — Best for Medusa Megaways

For the high rollers looking for an adrenaline rush, Medusa Megaways is unmatched. While the RTP of 96.28% is good on its own — NextGen Gaming has decided that they wanted to push their feature buy option as the prime way to play this slot, and they’ve done so by raising the RTP to 97.63% for those who use it exclusively. This takes Medusa Megaways (developed in 2019) from being a standard high volatility megaways slot, to one almost exclusively favored by those willing to cough up the x100 fee to purchase the bonus buy rounds.

During the bonus buy feature, it’s a game of streaks. For each time you match symbols, your multiplier will go up by one — add into that Medusa Megaways uses cascading mechanics, and this means that towards bonus rounds is when you’ll be winning the most, with the prospect of hitting the max win of x50,000 becoming a real possibility. Plus, to further push the use of the bonus buy feature, the bonus rounds have access to exclusive perks. For one, if the wild symbol ever hits on the top row — Medusa will come forth herself filling up an entire reel with wilds.

What I love about Medusa Megaways is that if things don’t go your way in the bonus round, you’re given one chance at a do-over.

With Medusa Megaways being a game for high rollers, we’ve picked 888 Casino. Exclusive to New Jersey residents who sign up with our link — you’ll be given a $20 no-deposit on top of a 120% matched first deposit of up to $500.

#11 Mohegan Sun — Best for Divine Fortune

Another slot centered around Ancient Greece. Developed in 2017 by NetEnt, Divine Fortune was an instant hit, being one of the very few online slot machines that offer the chance to walk away with the progressive jackpot for pennies. Of course to only talk about Divine Fortune’s jackpot feature to sell it short. With a 96.6% RTP, medium volatility, and multiple bonuses, Divine Fortune is a slot that has just as good a base game as it does a bonus game. You can play the slot over at Mohegan Sun Casino.

Free spins can be won the traditional way of collecting three scatter symbols. Although a second and easier way exists. By getting a wild anywhere on the 5×3 slot machine, players will be awarded a free spin as the wild sticks to its reel, but moves down one row. This means that even in the base game it’s possible to get free spins.

Of course, for those on a budget, the idea of hitting their progressive jackpot with a minimum bet of $0.20 is the thing of dreams. The jackpot system works similarly to the dragon link jackpot mechanic, where it’s triggered by collecting three of their special coin symbols — from there, you are taken to a separate 5×3 machine and are given three free spins with the only goal being to collect additional coins. As you collect these coins, your free spin counter resets. These carry values of up to x200 your bet size, though to trigger the jackpots, you need to fill up the rows with coins. Filling one row will get you the minor jackpot of x20 your stake, two rows will get you the major of x100 — and all three will get you the progressive mega jackpot.

The chance of getting all three is directly tied to your stake size. However, NetEnt has confirmed that it is possible to trigger on the minimum bet.

For Divine Fortune, we’ve gone with the Mohegan Sun Casino. Exclusive to residents of New Jersey, the Mohegan Sun Casino will match your first deposit 100% up to $1,000 when you use code MOHEGAN.

#12 Virgin Casino — Best for Steam Tower

Steam Tower by NetEnt takes the classic tale of a knight saving a princess from atop a tower guarded by a dragon and repaints it with a steampunk aesthetic. The game is played on the classic 5×3 layout with a medium volatility and a 97.04% RTP. Despite this, the base isn’t all that profitable. Instead, the primary way of making decent money is through the bonus round.

Triggered by having the stacked wild fill up an entire reel, the bonus round starts with an x2 multiplier and ten free spins — though two additional spins are easily won by collecting the grappling hook wild symbols.

As you collect the wilds, the hero will scale the tower unlocking higher multipliers with the highest floor (which takes 15 wilds to reach), not only awarding an x7 multiplier — but also an x1,000 bonus.

Despite its popularity among all who play, Steam Tower remains underappreciated — as such, we think it’s perfect to partner it with an equally underrated casino like Virgin Casino. The Virgin bonus is mediocre on the surface. However, those who understand it appreciate it as one of the best bonuses available. Available exclusively in New Jersey, users who sign up with code BONUS10 will get up to $100 cash back if they’re down after seven days. That’s $100 in instantly withdrawable cash with no playthrough requirement.

Selecting the Best Real Money Slot Games

The factors that make a slot machine great are not universal. For some — the allure of online video slots comes from the hope of getting a six-figure payout, while for others, they’re on a budget, and they just want to enjoy some relaxing online gambling with good gameplay. For that reason, we’ve formed our favorites for each of the most common criteria that users look for when playing real money online slots.

Penny Slot Machines

Penny slot machines allow you to play a penny per line. While the prospect of winning big may be small, these machines are a favorite among those on a budget.

• Dead or Alive 2 — One of the most popular slot machines of all time, Dead or Alive 2 is a mainstay on just about every top 10 list that you can imagine. Three different bonuses allow you to tailor your gaming experience based on how much volatility you want your game to have. Plus, with only nine paylines, it can be played for nine cents a spin.
• Cleopatra — The term penny slot is sometimes misunderstood. People hear and think that these machines cost only a single penny, but this term is just used to refer to games that cost a cent per line. However, with Cleopatra you choose how many lines you play from 1-20, thereby giving it the unique distinction of a minimum cost of a single cent per spin.
• 88 Fortune Megaways — 88 Fortune Megaways is about as divisive as a slot machine gets. High RTP, high volatility — one thing that isn’t high though, is its minimum stake of $0.08 per spin. This means even on the tightest of budgets you can afford to get in on the debate.

Gameplay

At the end of the day, when you play online slots it should be fun. An essential factor for pretty much every slot machine player — the unique gameplay is what makes a person come back to the same machine over and over again. These machines are focused on providing a unique and fun experience.

• Gonzo’s Quest Megaways — Any game that features the lovable Gonzo is an instant hit. But Gonzo’s Quest Megaways took it to a new level by combining two of the most popular features players look for in a game. Megaways and cascading mechanics. Gonzo’s Quest Megaways is a game of streaks. And nothing is more fun than seeing those symbols shatter as new ones fall in and the multipliers climb steadily higher.
• Immortal Romance — While I’m not a massive fan, the appeal of Immortal Romance is undeniable. Since 2011, it’s been a cult classic amongst those interested in the new age of vampires. Plus, with its unique bonus game that changes the more you play — it’s one that rewards its loyal player base.
• Guns N’ Roses — Combining the music of Guns N’ Roses with a high RTP machine with plenty of bonus features was only ever going to have one result. People love it. The low-medium volatility ensures that you’ll never be far away from your next win and that the fun never stops.

High RTP Slots

For those concerned with profit, there is no more important metric than RTP. RTP determines how much of the player’s money is returned on average and how much they can expect to make per spin.

• Steam Tower — Quietly brilliant. While Steam Tower may not be the most popular of games, for those concerned with making money, the 97.04% RTP is one of the absolute best you’ll find and makes it a must-play.
• Blood Suckers — With a 98% RTP, Blood Suckers is a name known by all hardcore slot players. Available at most online casinos — for players interested in grinding through welcome bonus playthroughs — it’s the undisputed number one choice.
• Medusa Megaways — If you’ve got the stomach to play the bonus buy feature exclusively, you’ll be rewarded with an RTP of 97.63%. While one to be avoided for those on a budget — for high rollers looking for an adrenaline rush, it’s an easy favorite.

Top Online Slots Payouts

While it’s rarely triggered — all slot machines have a max payout. It’s a non-issue for a lot of people, but for the dreamers it can be a worrying prospect to be on your way to that life-changing win, for all of sudden the bonus round to stop, with the online slot telling you that you’ve already won the max amount.

• Wheel of Fortune Megaways — With an x80,150 may payout, the Wheel of Fortune Megaways slot can pay as much as the TV show. Plus, with a max bet of $100 — the potential max payout is mouth-watering. One thing important to note is that when the payout gets this big, it’ll sometimes be the online casino to cap it off. For this, it’s best to check out the rules for each casino according to their terms & conditions.
• 300 Shields Extreme — There’s nothing about this game that isn’t extreme. That includes the max payout of x17,770 — which when combined with the bonus multiplier of up to x300, becomes one of the few max payouts that you can genuinely hope to hit.
• Dead or Alive 2 — Low risk — high reward. There’s a reason why Dead or Alive 2 tops our list. Not only can you play for a few pennies, but you can also look towards the x111,111 max payout as just another reason why you must play this Western-themed game.

Progressive Jackpots

Progressive jackpot slots are perhaps your best chance at winning life-changing money. While only available on a few machines, these video slots give you the chance to win a fortune in an instant.

• Thunder Cash Charming Lady — Thunder Cash Charming Lady is a US exclusive. The Novomatic machine uses the dragon link jackpot system of “Spin & Win” to give users the chance of winning either one of the three fixed jackpots or the massive progressive grand jackpot. While Charming Lady is our pick, the Thunder Cash jackpot can be won on any Thunder Cash branded machine.
• Divine Fortune — Divine Fortune’s progressive jackpot is machine exclusive. Though what really separates Divine Fortune is that its progressive jackpot is just one of many features it has, and unlike others on this list — big money can be made outside of hitting the progressive jackpot.
• Mega Jackpots — Similar to the Thunder Cash jackpot, the Mega Jackpots are tied to a series of games. Pick your favorite theme, then get ready to compete for one of the largest progressive jackpots available in the US. As of writing, it just passed $520,000. Of course that number regularly rises before someone hits and walks away with the six — sometimes even seven-figure payout.

Feature Buy (Bonus Buy)

For those willing to pay a premium, you can jump into the bonus rounds whenever you want with the bonus buy feature. It’s a controversial feature, banned in the UK — but in the US, these machines will let you skip the grind and get right to the heart-racing bonus rounds.

• Medusa Megaways — Medusa Megaways really separates itself from the crowd by making the bonus buy feature its main selling point. At the cost of x100 your bet, you’ll not only skip the base game, but you’ll also increase your RTP from 96.28% to 97.63%
• White Rabbit Slot — Big Time Gaming was the creator of the bonus buy feature, and White Rabbit Slot was the original machine to offer it. However, in contrast to many others — White Rabbit rewards patient players. They do this with the coin feature, which will gradually decrease the cost of the bonus buy before it eventually reaches zero, and the player gets it for free.
• 300 Shields Extreme — With five initial spins costing x60 your stake, 300 Shields Extreme is not one for the penny pinchers. Many times when you use this feature you’ll walk away having recouped ~25% of the cost, although when you hit those later rounds — particularly the one with an x300 multiplier it becomes instantly worth it as profits go through the roof.

Top Online Slots Sites

The question of what is the best online slots casino is a difficult one. While there are some pretty significant differences between a giant like DraftKings and a regional site like Bally — when you get to the very top of the list, it’s hard to separate them. Likely it’s come down to which online slots no deposit bonuses you prefer and where you’re located. For a quick guide, check out the table below summarizing the difference between the big four of DraftKings, BetMGM, FanDuel, and Caesars Casino.

Best Real Money Slots Apps

Playing slots for real money online was once enough. However, in 2024 playing online slots from your computer isn’t enough. Users want the ability to play slots for real money wherever they are, and casinos understand this — so one of their chief priorities is to design an app that allows players full access to all their real money games from wherever they are.

In the early days of mobile online slots, there were a lot of differences among the competition. Today though, most of the best online casinos have fully functional slot apps that allow you to play slots online from your mobile device in much the same way you would on your laptop. There are still some minor factors that can separate the competition and if you’re a regular casino player from your mobile you’ll want to check out our guide on the best real money casino apps for US players in 2024.

How to Play Online Slots for Real Money

Playing online slots is a simple process once you know what you’re doing. Although if you’re coming from the land-based casino world or if you’ve just never dealt with the online registration process, we’ll go through each step you’ll need to know to get started playing online slots for real money.

1. Using our secure links, navigate to the online casino of your choice.
2. Depending on which casino you click, the homepage will differ. Regardless of which one you choose though, you’ll want to click the “Register” button, usually located in the top right corner of the screen.
3. Here you’ll need to enter all the relevant information they ask for. If you’re new to online gambling, this might seem like a lot of information, but according to US law, these casinos must be able to verify your identity to confirm that you are of age and are residing in one of the legal states. If required, don’t forget to use our exclusive bonus codes to get access to the best welcome bonuses. Once you’ve filled in all this information, click “Join Now”.
4. A registration link will be sent to your nominated email. Click the link inside it to confirm your registration.
5. You’re done. If you signed up for a casino with a no-deposit bonus, your funds will now be in your account. Either way, you’ll want to eventually deposit so you can take full advantage of the welcome bonus, so from the homepage, you’ll want to navigate to the cashier section and select the option for depositing.
6. Choose from one of the many popular depositing options for slots like PayPal, Skrill, and Bank transfer. Fill in the required information, and enter your desired deposit amount. An important tip, while a lot of online casinos will automatically apply your bonus, some won’t. So make sure it’s selected.
7. You’re done. You can now navigate to the slot section and choose from hundreds of online slots to begin your journey.

Legal States to Play Top Online Slots

As of writing, online slots are only legal to play in six states. These are New Jersey, Connecticut, Michigan, West Virginia, Pennsylvania, and Delaware. This is quite a small number, though as the revenue pours in and other states start seeing the financial benefits of legalizing online casinos, it is a number that is only going to rise.

For a comprehensive review of the best online casinos for each state, you can check out our guides for Michigan, New Jersey, Pennsylvania, Connecticut, and West Virginia.

However, if you reside outside these states, you’re not out of luck. Because thanks to a legal loophole, sweepstakes casinos can offer real money online slots under the guise of sweepstakes. You can check out our review for one of the best: Pulsz Casino.

Best Online Slots Bonus Codes

The way bonuses work depends on the online casino in question. Sites like DraftKings and FanDuel have decent enough welcome bonuses for normal users; however, you’ll need to follow exclusive links to get the best deals. Here at Gamble-USA, we have deals with all the top online casinos to bring our readers the best deals, and that’s why when registering with these sites, we always recommend you sign up via our links.

For some online gambling sites, though, they require a code to be entered during registration. The two best examples of this are BetMGM and Caesars Casino. With BetMGM, to get access to their $1,000 first deposit match and $25 no-deposit, you must use code GAMBLEUSA when registering. For Caesars Casino, it’s a little different, and you’ll need to type in a different code depending on where you live. If you’re in Pennsylvania, Michigan, or West Virginia, it’s GUSA. But if you live in New Jersey, it’s GUSAS. Whichever you’ll need, the bonus is the same — a first deposit matched dollar for dollar up to $2,000.

For the best online slot bonus codes for other casinos, you’ll want to check out our guides for each of them in our casino section.

Best Slot Machines Software Providers in the USA

One of the best features of playing real money slots at licensed online casinos is the slot machine providers. These names are known worldwide, having garnered trust for decades as they continuously develop the best online slots. In this section, we’ll cover a few names to keep your eyes open for.

• NetEnt — Probably the most well-known slot provider, responsible for many classics, including the Gonzo and Dead or Alive franchises. When you play with NetEnt, expect a large variety of themes, all with impressive RTP.
• NextGen Gaming — When you see a NextGen Gaming slot, the first thing you’ll notice is the graphics. Symbols come to life, and the numbers explode off the screen. NextGen Gaming is responsible for some of the most unique bonus features. Popular games from them include 300 Shields Extreme and Medusa Megaways.
• Big Time Gaming — The creators of the bonus buy feature. Big Time Gaming is not afraid of reinventing the wheel, with their pioneering of the bonus buy feature and expanding reels being just the tip of the iceberg. White Rabbit Slot and Wheel of Fortune Megaways are just a few of their creations. If you’re looking for something new, try Big Time Gaming.

Other big names to keep an eye on are Microgaming’s story-driven slots, and Novomatic’s jackpots. But we recommend you experiment. There are many online slot providers available in the US, all with their unique drawing points. It’s all about finding that mix of engaging gameplay, exciting bonus features, and slots with volatility that suits your style of play the best.

How Online Slots Sites Keep Playing Fair

There was a time when you simply had to take a casino’s word that their online casino games were fair. Thankfully that time has passed. In 2024, online slots are now legal in six different states. And with this licensing comes certain protocols to ensure that all online slot games are conducted in a fair manner.

The first of these is independent testing of a casino’s online slot game done randomly. What this means is that at any point (usually multiple times a year), an independent gaming laboratory will conduct testing on all of the games to ensure that the RTP is correct as listed. If there are any discrepancies, the license is revoked.

The second requirement is that all online casinos must be partnered with a land-based casino. This ensures that if the online casino folds for any reason, someone is still financially responsible for ensuring that all players are paid.

Are Online Casino Slots Rigged?

Short answer — no. Slightly longer answer — it depends on how you define rigged. Look at the data of online slots, and you’ll see that they publicly list their RTP. These RTPs determine how much of the player’s money is returned on average — and these figures are always below 100%, so in that sense, the game is skewed towards the casino. But you probably already knew that. And to most people, that isn’t considered rigging.

Chances are, if you ask this question, you’re really wondering, “Is the actual RTP lower than the listed RTP?” The answer to this is a resounding “No”. The independent testing that is required at the state level guarantees that the listed RTP is correct, and even if they were somehow able to get past the independent testing — it simply wouldn’t be worth risking their entire reputation for a one-time extra slither of profit.

Best Online Slots to Play for Real Money by Casino

This is the end of our guide for the best real money slots in 2024. However, if you’re new to online casinos, we recommend you don’t stop here. The secret to having the best online slot experience is knowing as much as possible about the best casinos and their top online slot games. Below you’ll find our guides to the best online slots and casinos in the US and their welcome bonuses.

1. Dead or Alive 2 on DraftKings Casino — $2,000 first deposit bonus + $50 no-deposit casino bonus. Check out our top 10 slot picks at DraftKings Casino here.
2. 300 Shields Extreme on Caesars Casino — $2,000 matched first deposit. Check out our top 9 slot picks at Caesars Casino.
3. Raging Rhino on FanDuel Casino — Up to $1,000 returned if you’re down after 24 hours + $100 casino site credit. Discover the best 10 FanDuel slots here.
4. Immortal Romance on BetMGM Casino —$1,000 matched first deposit + $25 in free play. Find out more top slots on BetMGM Casino.
5. 88 Fortune Megaways on Golden Nugget Casino — $1,000 first deposit bonus + 200 free spins of 88 Fortunes Megaways. Click for an overview of the best Golden Nugget slot machines.
6. 9 Masks of Fire on Borgata Casino — $1,000 first deposit bonus + $20 in free on sign up. Find out more top online slots at Borgata.
7. Medusa Megaways on 888 Casino —120% matched first deposit up to $500. View our top 10 picks among 888 Casino games.
8. Guns n Roses on Unibet Casino — 100% matched first deposit of $500 + $10 no-deposit bonus. Learn more from our top Unibet Casino slots guide.
9. Steam Tower on Virgin Casino — $100 cash rebate if down after seven days.
10. Gonzo’s Quest Megaways on StarDust Casino – $1,000 cashback bonus.
11. Divine Fortune on Mohegan Sun Casino – $1,000 deposit match bonus.