Slot players will usually know a good machine over a poorly constructed one with just a glimpse of a couple of spins at most, but the best online slots offer slim margins and we take the time to compare the salient features and put them one against the other – to see the actual entertainment they offer as well as the potential payouts in an attempt to list the best online slots to win real money. To play slots is to enjoy the casino’s go-to entertainment machines, which can take over 90% of their respective game collections both online and in the brick-and-mortar resorts. While they reportedly rake in the most money for the casinos, the popular games also represent possibly the biggest attraction for the players and rightfully so.

While playing the best online slots in the world does not guarantee to win even in the long run, some become fan favorites simply for the fun players get involved and others stick around for the legit returns. Let’s now see what to look out for in great slot machines, and which ones actually remained the best online slots 2019!

Best Online Slots Key Points

  • All casino-goers enjoy alternatives but often return to all-time fan favorites
  • Take on an overview of the things players need to look out for
  • See how our favorite titles stand today
  • Find them with renowned casinos and enjoy the gameplay

Where to Play

One of the most important things players need to do before even looking for their new favorite games is finding a casino where they will play slots. The new regulations allow US players a great choice of top-notch operators and this emphasized the importance of enjoying a safe gambling environment with regulated and licensed companies. The margins are slim but it’s still very important to check through detailed reviews and many salient features before setting up an account, which will make sure the site is a good fit for one’s preferences.


Division of Gaming Enforcement allows licenses to high-quality services and while this serves as a guarantee, it also means players get regulations to lean on when registering with renowned casinos especially in the case of anything going wrong. The players are eligible to set up accounts and play with real money as long as they’re staying in states allowed by the terms and conditions. Stay away from offshore casinos if possible.


Security is also largely determined by the ways to move money with the casinos in question, where using prominent payment processors comes as a crucial premise. Most of the renowned casinos will allow bank transfers, debit cards, as well as e-wallets such as Paypal, Neteller, and Skrill, but players need to check these into more detail both in regards to the deposits and withdrawals. To find out which providers offer the most legitimate banking options, read our comprehensive operator reviews – such as “Is PokerStars safe?”, “Are there Unibet scams?”, and “is FanDuel casino legit?”.


Once limited and offering small libraries, casinos have largely put the focus on allowing players a great choice when it comes to games. Prominent casinos usually offer hundreds of best online slots, table games, and Live dealers in cooperation with a number of providers. While players often take time to find their favorites, it’s important to have a great range of available machines and be able to switch between them in case of need.


Casino free spins and promotions can add greatly to one’s bankroll and many players choose to grab them, but it’s also important to check the terms and conditions in detail when opting in – as it can determine your ability to withdraw funds for a certain time or hand out a wagering requirement before the bonus funds are released into the main balance. Customer Support will hardly be able to do anything if one goes with an issue as a consequence of accepting terms without reading thoroughly.

Sign-up bonuses will allow players to play slots for free and win money, as an offer of free money just for setting up an account and often with no strings attached. This will allow players to check out some of their best games with no pressure of actually depositing money, serving as a great opportunity for beginner players especially.

Deposit bonuses, on the other hand, offer a boost to the bankroll as many of the renowned casinos offer to match initial deposits with bonus money up to a certain amount. This usually holds the wagering or turnover requirement, where players are obligated to bet certain amounts after login but before being able to use the bonus money or request withdrawals. Check out our review for the 888 casino bonus code free spins offer to see what a quality slots bonus looks like.

Things to Look Out for In Any Slot Machine

While it’s obviously almost solely important that you enjoy the time you spend spinning the reels, slot machines have many distinctive features we use to compare them to others – seeing ultimately how entertaining they can be as well as how good potential payouts they hold.


While RTP represents the long-term return of money put into the slot and promises no immediate gain for a single player, it’s obviously important to play machines offering high returns as this gives one a bit of the edge casinos hold over the players. Many argue even the best online slots RTP gives false hopes in lowly rated machines but they will still not play a game which does not hold such a promise, which is indicative of importance this calculation has.


Possibly even more important aspect for players searching best online slots for big wins is volatility or variance. Volatility denotes the possibility or rather frequency of payouts, where lower grades offer more payouts of smaller value while high volatility means alarms don’t go off as often but when they do – they usually mean big wins.

More experienced players will often opt for volatile games with greater potential for big wins while casual casino-goers tend to like less volatility, which can keep one going without breaking the bank but are usually unable to offer dazzling jackpots.


The stakes players can invest for a single spin will largely determine the type of players who spin the reels to start with. This means the higher the minimum stake goes, the less appealing it will be to beginners with small bankrolls who want to have fun without bankrupting in a matter of minutes. On the other hand, the higher the maximum stake stands, the more attention the slot will get with high-rollers who enjoy the thrills of big money spins. Take your bankroll into consideration when choosing a slot machine to play on!


The number of paylines and the potential payout for every single symbol might not be easy to grasp at first but examining the paytable is of utmost importance, as this is the only way players can know what they’re hoping for – from winnings on the table to free spins and bonus scatters. Paytable will have instructions and rules on how features are triggered explained and this serves as a great way to learn the ropes of best online slots USA.

Design and Bonus Features

Great design and interesting gameplay will keep players returning to any game and slots are no different. It’s important for the latest gambling sites to feature slots that have a complete package of easy interface with on-point controls together with appealing graphics, as this means a lot to the overall experience with any slot.

The bonus features and extra games will be just as important, as it doesn’t take long to understand how much of an impact they have on the payouts as well as the overall diversity offered if one sticks with one of the best online slots with free spins for a longer time. So what are the best online slots for US players we just keep returning to?

Some of our favourite bonus offers at the moment are the DraftKings casino promo code, which gifts new members with a  $35 no deposit bonus and the latest promo code for FanDuel casino that gives you $500 extra to play with.

The Top Online Slots Revealed

DaVinci Diamonds: Search for Lost Diamonds

DaVinci Diamonds is a slot released by IGT back in 2012 and it still represents one of the popular slots with casinos across the web, focusing on the works of the famous painter Leonardo DaVinci and featuring a number of bonuses.

The game offers an RTP of 94.93% with five reels beautified with diamonds and masterpiece paintings, hiding 20 payline to look out for. The slot machine has Wild scatters and a special Tumbling Reels feature, which has all symbols on a winning line disappearing and replaced with those above – potentially creating new winning lines.

The coin value starts at just USD 0.01 and this has surely added to its popularity, suited for a wide range of players and offering a maximum payout of 25,000 coins for a payline of five Wilds.

Divine Fortune: The Quest for Divine Treasures

Divine Fortune is a more recent release from NetEnt but it’s taking players even further in the past, focusing on the riches of ancient Greece in a five-reel 20-payline slot. It also offers a progressive jackpot together with Wilds, Wild on Wild feature, re-spins, and more.

Divine Fortune boasts a mystic approach to the Mythological creatures here and offers a rock-solid RTP of 96,59%. The bets, on the other hand, range from low USD 0.20 to a high USD 100 and while the high-rollers could enjoy more – it’s fair to say it’s well suited for different kinds of players too.  The game still attracts a lot of attention despite no great graphics work and there sure is a great reason for it.

Eggomatic: NetEnt’s Amazing Machine

Speaking of great graphics and animation works, NetEnt surely has boasting rights as it created a couple of titles that could easily compete with many Android and iPhone games. Eggomatic sure is a unique segment in any casino out there, featuring robo-chickens as symbols and an egg dispenser on the right which are bound to catch one’s attention.

With five reels and 20 paylines, the game offers a 96.48% RTP and features a special kind of wild triggers – where a conveyor belt takes eggs across the reels and players need a Wild on those reels to break open the eggs – with a number of special features in the offer, including Free Spins, immediate coin winnings, and Spreading Wilds. A fun game worth checking out even in 2019!

Gonzo’s Quest: Back to the World of Indians

Continuing down the same path of great animation works, we meet NetEnt’s Gonzo who takes players through the jungles of Peru in search of El Dorado and its precious gold. Gonzo’s Quest was released back in 2011 and still continues to attract great attention from casino-goers, pairing funny animations and thrills of big wins – with an RTP of 95.97% largely boosted by the now-famous Avalanche feature, where symbols cascade down after wins and a multiplier boost up to x5 with each new winning line in a single spin.

High volatility means great winning potential here and this has been turning heads for almost a decade now, as Gonzo’s Quest remains one of the fan favorites across platforms and casino providers. As with many of the best slots online, you can check out our in-depth review here at Gambling Hero.

Starburst: The Secrets of the Universe

Starburst surely is one of the best-known slot machines famous for its rather simple astral design and flash reels, creating an overall futuristic feel together with the soundtrack and effortless controls as players connect symbols including diamonds, 7s, and BARs.

The slot features ten paylines across five reels and boasts an RTP of 96.1%, where winning lines can be created in both directions and not only from the left to right as with many modern slot machines. There are no Free spins or special features but Wilds will expand over the whole reel and initiate a re-spin for the other reels, which does add a great bonus feature and further increases the winning potential of this classic.  The lower volatility means smaller wins but these come in steadily, which often adds to an easy-going and enjoyable experience.

Wheel of Fortune: Spin the Wheel & Win Big

Wheel of Fortune is another famous title which bodes well in 2019 and has become one of the IGT’s fan favorites over the years, featuring five reels and 30 paylines with an RTP of 96.6%. The game is more rewarding the more you play it, as players get to trigger On Tour Bonus features multiple times to unlock different rewards including Free Spins, Letter Board Picker feature and more.

Filled with unique features, the game has a lot of genuine fans who often return to it which makes it hard to deny IGT’s success here. Spin to Win will let you choose a letter from the word Wheel and automatically award a cash prize, for example. A game definitely worth checking out!

Get Started Today!

Indeed, we’ve now listed a number of fan favorites that have been attracting attention for years, and the sole fact they still have huge player bases speaks for itself. You can now find more detailed reviews on every of these slot machines and go for sweet casino deals with operators offering them, with step-by-step help to get you to start playing one today, including downloading the casino software!

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Conclusion: Choose Your Real Money Slot

We’ve now taken a short list of the best of online slots but this is a rather subjective point of view and feels like far from definitive. There are hundreds of popular slots to add and while we can’t pick them out all, trying the ones listed or returning to them after a long time can hardly be a great mistake.
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