Top 10 Online Slots Casinos in the US (2021)

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The Best Online Slots (2021) - Real Money Slot Games in the US

Getting the most rewarding slot games often depends on your choice of online casino. The best online casinos only stock slots with high Return To Player (RTP) percentages, offering speedy payout. We have reviewed countless online casinos, and this is our list of the top online casinos in America:

#1 Best Slot Casino in The US

As the official online casino of the leading land-based casino, MGM Resort International, BetMGM is one of the most rewarding online casinos with over 640 slots games and high payout percentages. The casino also offers loyalty rewards for consistent play, long-term membership, and even referrals. BetMGM is currently legal in Michigan, New Jersey, Pennsylvania, and West Virginia. 

Highlights

  • 640+ Top Slots
  • Excellent Customer Services
  • Credible Payout
  • Fast Withdrawals
  • Simple User Interface

BetMGM Slot Games Payout Percentage

eCOGRA's independent evaluation placed BetMGM's average game payouts at 96.5% with the following breakdown:

  • Slots: 94.42% -98%
  • Video Slots:94.73% - 98%
  • Others: 93.95% - 99.6%

#2 Best Slot Casino in The US

The Caesars Online Casino is part of a renowned international casino institution. In the bid to maintain Caesars' Entertainment's legacy, the online casino offers over 300 slots games with high payout rates. Their presence in New Jersey and Pennsylvania is growing because of their unmatchable Caesars' Reward and ease of play.

Highlights 

  • Caesars' Reward
  • Fast withdrawals
  • 300+ games
  • Intuitive Interface
  • Progressive slots games

Caesars' Slot Games Payout Percentage

Like its rich Caesar's Reward, Caesars Online Gambling also offers high payout percentages. Its gaming payout average, according to eCOGRA's evaluation, includes:

  • All Games: 96.2%
  • Slots: 94.42% - 98%
  • Video Slots: 94.73% - 98%

#3 Best Slot Casino in The US

As one of the youngest online casinos, WynnBet has to live up to the industry expectation of being affiliated with Wynn Las Vegas, one of Nevada's largest casino establishments. WynnBet is currently gaining roots in Michigan and New Jersey, offering over 200 slot options and rewarding payouts.

HIghlights

  • Multiple payment methods
  • User-Friendly Interface
  • Jackpot slots
  • Rich payout
  • 230+ slot games

#4 Best Slots Casino in the US

Draftkings is more popular for its sports betting platform, but it has an equally reputable online gambling platform with quality slots options. DraftKings has over 500 games with at least 430 slots in the fray. Like its sportsbook, Draftkings online casino has an interactive UI and highly rewarding payouts.

Highlights

  • User-friendly interface
  • Multiple payment options
  • Available on Android and iOS
  • 400+ slots games

DraftKings' Slots Payout Percentage

The eCOGRA independent evaluation shows that Draftkings' average payout percentage is 96.1%, while the slots breakdown includes:

  • Slots: 94.3% - 98%
  • Jackpot: 94.2% - 98%

#5 Best Slots Casino in the US

Playing slots at Unibet Online Casino comes with a limited gaming selection but a significant reward rate. The 165 games in Unibet's game portfolio are primarily high-paying slot games with different themes and exciting structures. The casino is available on mobile and desktop with similar easy navigation.

Highlights

  • High payout rate
  • Quality gaming experience
  • Available on Mobile
  • Simple navigation
  • Fast Payout

Unibet Slots' Payout Percentage

Despite having lesser gaming options than most online casinos, Unibet offers one of the largest payout rates in America. According to eCOGRA's evaluation, Unibet's average slots payout percentage includes:

  • All Games: 95.6%
  • Slots: 94.40% - 98%
  • Video Slot: 94.73% - 98%

#6 Best Slots Casino in the US

Virgin Casino still has room for improvement, but it is one of the most beloved casinos in America, offering rich payouts and impressive rewards. The casino offers over 400 slot games along with its table games and has one of the best live dealers platforms in the country. 

Highlights

  • Credible platform
  • 400+ Slots
  • Available on mobile
  • Fast Payout

Virgin Casinos' Slot Payout Percentage

Virgin casino offers swift payment, but their payout percentage is currently 95.15%. Their slot payout percentages are also quite low:

  • Slot: 93.8% - 97%
  • Video Slots: 93.5% - 98%

#7 Best Slots Casino in the US

Slots make up an excessive amount of BetRivers' gaming portfolio. The casino offers 250 games, and 215 of those are slots. It is not the largest number of slot games in the world or even on this list, but BetRivers provides a balance of exciting games and unmatched gaming rewards. The gaming app and desktop software all offer rich, intuitive gaming and convenient payment methods.

Highlights

  • 200+ slot games
  • Convenient payment
  • 24 - 48 hours payment
  • Mobile( Android and iOS) apps

BetRivers Slots' Payout Percentage

The average game payout on BetRivers is 97.2% making it one of the highest payouts in the country. A breakdown of the slots payout by eCOGRA includes:

  • Slots: 94.8% - 98%
  • Video Slots: 93.7% - 98%

Real Money Online Slots in The US

Slots are easily the most popular online casino games, perhaps because they are easier to win than land-based casino slots or offer more rewards than other online casino games. Several people play online slots for the excitement of gambling, but making money from this game is more exciting than the thrill of playing. This article is a guide to the most rewarding online slots games and the online casinos that provide them.

States that have legal online slots

Like other gambling activities, each state has legislation regulating online slots with minimal oversight from Federal authorities. LIke Sports betting that was largely illegal until 2018, the Wire Act of 1961 also made online gambling illegal until 2011 when the Department of Justice finally allowed States to pass legislation that decriminalized online gambling within their borders, and these are the states that have legalized online gambling and their position on online slots:

New Jersey

In 2013 New Jersey became one of the first states to legalize online gambling in the USA. It is also one of the states that led the charge for the legalization of sports betting by contesting the validity of the Professional and Amateur Sports Protection Act (PASPA) of 1992 at the Supreme Court. Today, New Jersey generates a lot of revenue from online gambling activities, including casino games, sports betting, and daily fantasy sports. Slots and other online casino games have been legal in New Jersey since 2013.

Pennsylvania

Pennsylvania is one of the biggest online gambling markets in the US, with an extensive collection of land-based casinos, online gambling, retail, and mobile sports betting. Pennsylvania is one of the few states that has legalized most online gambling options. Like most states, Pennsylvania has age restrictions on sports betting, but anyone 18 and older can place bets on online casino games like slots.

Michigan

Michigan did not join the online gambling community until 2019, but it has grown into one of the largest gambling states in North America. The State passed a universal online gambling legislation in 2019 to legalize online gambling activities, including sports betting and all forms of online casinos.

Delaware

Delaware was the first state to cross the threshold into online gambling. The state legalized online gambling and online poker in 2012 and launched its first online gambling site in 2013. As a forerunner in the online gambling space, Delaware was one of the states that contested the PASPA and were one of the first to legalize sports betting in 2018 after the Supreme Court repealed the Act. Slots and other online casino games are available to legal adults in Delaware.

West Virginia

Online Gambling and Sports betting are legal in West Virginia, but the state's regulation has created an unusual dynamic for land-based and online casinos. In West Virginia, online casinos can only operate in partnership with licensed land-based casinos. The state also has space for 15 online casinos, giving each of the five land-based casinos room to partner with three online casinos.

How We Picked The Best Slots

Our selection of online slots game providers includes the most popular online casinos, but we did not choose them for their popularity alone. We had to consider factors that would make the gaming experience feel more interactive and rewarding. These are the conditions we set before putting any of the casinos on this top ten list:

Range of Slots

While Online gambling offers convenience and rewards, most players are also looking for options, and we had to consider it as well. We picked the top ten casinos from a list of preferred casinos because they offer their customers the variety of slot games that most players have requested. Their portfolio of slot games must include the most rewarding and highly sought-after games that make for an exciting gaming experience.

Safety and Licensing

Since players trust the casinos with their money and personal information, credibility is one of the most required qualities of these online casinos. We carefully vetted the casinos on this list for all flags of dubious deals, fraudulent activities, late payments, and even poor reviews. Our top ten casinos are duly registered and regulated by the Gaming Authority of the respective states; you can rest easy on issues of illegality or fraud; we will never put you at such risk.

Industry- Leading Gaming Software

The hallmark of our online casinos is the gaming experience they provide for their users. The casinos make their platform user-friendly and automatically attract more users by using intuitive or easy-to-use gaming software. The best casinos will have interactive games in a well-structured gaming lobby, including features for customer support, rewards, and payment withdrawals.

Mobile Compatibility

The age of online gambling is only growing because casinos are easily accessible. Players can now place bets, win and redeem their winnings from their mobile phones. Our top ten casinos do not only meet the condition for mobile gambling; most of them are also available on Android and iOS, giving access to all classes of players. 

Welcome Bonuses

Welcome bonuses have become the leading incentive of online gambling. Most online casinos and sportsbooks use their welcome reward to entice more patronage and substantial commitment from existing users. We had to gauge the casinos with the most enticing welcome bonuses before adding them to our list.

Free Spins

Another enticing benefit of online casinos is the option of Free Spins. Most online casinos now offer their new and old customers the option of free spin as rewards for playing or signing up. They inherited this reward from the land-based casinos but have made it more mainstream than brick-and-mortar casinos ever could.

Rewards Program

Casinos have always rewarded their players, but online casinos have added new streams to attract more patronage. Newer rewards like referral bonuses, welcome bonuses, match bonuses, and even daily rewards have driven up the demand for online casinos in America. Our top ten casinos offer the most innovative rewards, creating opportunities for their players to enjoy the rewards even outside the games.

Customer Support

Most punters have a good grasp of online gambling, but this does not change the fact that we all need some help or guidance sometimes. The best online casinos will have structures in place to address the concerns of these players without making them feel ignorant. The top ten casinos provide adequate customer support services in terms of FAQs, live chats, email services, and even toll-free call centers.

Best Online Slots Software Providers

Slot games may be available on the Online casinos, but the casinos are not game developers; they are merely middlemen between the software providers and their end-users. This is why no online casino can claim a monopoly on a particular slot unless they developed the game themselves; they are most likely sourcing it from a Slots Software Provider.

Here is our list of the best software providers in the slot gaming industry, we have chosen for their extensive gaming collections, design, and gaming experience:

Microgaming

Microgaming is one of the most recognized software companies in the world, not because they claim that they created the first online gambling software or that they are located on a strangely named Island, Isle of Man. Microgaming has won the reputation for designing the game with the highest payout in slots history. In 2009, Microgaming's progressive slot game Mega Moolah paid $6,374,434 to a British Soldier, setting the record for the most prominent online casino payout yet. The prospect of winning that much is enough to make anyone want to play Mega Moolah and other games from Microgaming.

NetEnt

This Stockholm-based software company has given us the most exciting gaming options since it launched in 1996. NetEnt has gone through stages of development, expansion, and recently its purchase by Evolution Gaming in 2020. The company has given us over 240 slot games, including Starburst, Arabian Night, Eggomatic, and Dazzle Me.

Playtech

Playtech launched in 1999 as Estonia's first online gaming company and has been offering online slot games to casinos across Europe and North America; their customers have also included government agencies and players in the Public Sector. Their game options now include casino games like bingo, slots, and poker. Playtech is currently worth over $5 billion, and they have stakes in several gaming services.

Pragmatic Play

As one of the leading online gaming providers, Pragmatic Play offers games beyond online gambling, but its slot games are still some of the most unique options in any Online casino. The company provides a rich gaming experience with its interactive games and exquisite design. Pragmatic play is also one of the few gaming providers with an established presence in philanthropy and corporate social responsibility.

Play' n' Go

Play' n' Go joined the gaming software industry at the turn of the Millenium, just when the internet was growing into the next big thing. They entered the industry to provide the best gaming options without competing with already established Software Providers. Still, they did both and are now one of the leading online gaming providers. Their games include the 7 sins, Book of Dead, Fire Joker, and several top slot options.

Pros and Cons of Real Money v. Free Online Slots

Several experienced players spend more time with Free Online slots than with real money casinos; they claim they do it for the excitement rather than money. While this is an adequate justification, there are benefits and disadvantages to Real Money and Free Online Slots.

Pros of Real Money Online Slots

  • It rewards your attempts with REAL Money
  • It encourages winners to play and win more
  • Players can convert the bonuses and rewards to cash

Cons of Real Money Online Slots

  • It is costly to maintain
  • It is only legal in five states
  • Losers rarely get compensation for their loses

Pros of Free Online Slots

  • You can get better at Slot games without losing any money
  • It is not technically illegal to play Free Online slots in any state.
  • You can still earn rewards and bonuses in Free Online Slots.

Cons of Free Online Slots

  • There are no financial benefits to playing Free Online slots
  • Limited gaming options

Tips For Winning

For a luck-based game, Online Slots rewards several players every day, and some players have become adept at making money off these randomly generated sequences. The winning streaks and skillful playing are the results of simple gaming strategies and well-planned wagering. Here are tips for winning in slots:

Choose the right game.

Winning at slots starts with your choice of game. Choosing a game with high RTP increases your chance of winning in the game. Some people choose games based on their themes, style, or developer, but these are not as effective as placing your bet on the top games with higher RTP. 

You can also select games with lower jackpot wins. These games pay out more often than big jackpots. The chances of winning slots with lesser jackpots are higher because they pay more frequently, and you may be lucky to place the winning bets.

Practice with Free Online Slots

Build your understanding of slots by first playing the Free Online Casinos. While you may not earn any money, playing free online slots will equip you to play in real money slots. Since all attempts are free, you can gain experience by playing multiple games and learning how the jackpots and sequences can work in your favor.

Wager Frequently

Playing consistently is one of the best ways to win at slots. You can build more knowledge of the game and increase your chances of winning the jackpots by placing frequent bets.

Step by Step Guide For Beginners

Slots is a simple game to play, as long as you understand its components and have the time to play. While it is essential to know details like Reels, Rows, and Payline, you can play and win your game without applying that knowledge. Playing slots only requires five simple steps:

1 Make Your Deposit

This comes after you have registered and verified your account with the casino providers. Start your gaming experience by depositing your chosen amount. Some casinos provide deposit limits, stipulating how high or low you can deposit but most online casinos allow you to make deposits as you wish

2 Select Payline

Payline is another word for winning combinations. It determines the number of sequences that will appear on your screen and how they can combine to make you win. As stated above, your knowledge of the payline is unnecessary since the casino often pre-sets it. It is best to work with the casino's pre-set payline since it does not affect your chances of winning.

3 Select Payline

Payline is another word for winning combinations. It determines the number of sequences that will appear on your screen and how they can combine to make you win. As stated above, your knowledge of the payline is unnecessary since the casino often pre-sets it. It is best to work with the casino's pre-set payline since it does not affect your chances of winning.

4 Decide Your Coin Value

Coin Value is one of the necessary features you should adjust to suit your purse. The coin value determines how much you spend on each spin. If you set the value at $0.50, every spin will be worth 50 cents, and it will determine how long your 20 dollar deposit will last in the slot.

5 Set Bet Level

Bet levels are not present in all online slots; you can ignore them if it is not available in the game you are playing. The bet level determines your bet size and can influence your coin value. If your coin value at Bet level one is $0.50, changing the level to 2 would automatically change the coin value to $1, and Level 4 will be $2.

6 Spin The Wheel

Now that you have filled in all the necessary details, you can hit the spin button. Here, you can trust your luck to land the winning combination and give you a huge payout.

Top 10 Online Slot Games with High RTP

Winning at Slot Games requires a balance of skill, calculated risks, and luck. We have made it easier for you to win by listing out the most rewarding Online Slot Games. They have the highest RTP and are from the most credible Game Developers in the industry.

Game Game Developer RTP
Ugga Bugga Playtech 99.07%
Book of 99 Relax Gaming 99%
Ooh Aah Dracula Barcrest 99%
Mega Joker NetEnt 99%
Jackpot 6000 NetEnt 98.8%
1428 Uncharted Sea Thunderkick 98.6%
Marching Legions Relax Gaming 98.12%
The CatFather Pragmatic Pay 98.10%
Blood Sucker NetEnt 98%
Jokerizer Yggdrasil 98%

FAQs

What Online Slots Pay Real Money?

While some casinos offer free online slots, most online casinos in the US offer real money slot games. If you are in one of the five states where real money online is legal, you can make money from playing slots like Jokerizer, Ugga Bugga, Book of 99, 1428 Uncharted Sea, or any of the other games in the list above.

How to Play Online Slots in the US

Playing Online Slots is relatively easy in the US. As long as you are in one of the states that permit online casino games, you can play Free Online Slots, while you may need to be in one of the five states where Real Money Online slots are legal before you can make money off it. The first step to playing online slots is having an online casino account. After that, you select your preferred slots game and play.

Which States Are Legal For Real Money Online Slots Games?

There are currently five states in the US that legally permit Real Money Online Slots games: New Jersey, Michigan, Delaware, Pennsylvania, and West Virginia. Other states like New York, Maryland, and Massachusetts are working on their legislation, but they do not have real online casinos.

How do Online Slots Work?

Online Slot runs on a series of randomly generated numbers that can land you a winning combination if you are lucky. The Random Numbers reflect as symbols on the screen but cannot be stored or predicted because they come from an automated Algorithm with no memory storage.

Where can I Play Slots Online For Real Money?

Online Casinos in Pennsylvania, New Jersey, Michigan, and West Virginia offer Real Money Online Slots. Online Casinos like BetMGM, Caesars, Wynnbets, and others on our list provide real money online slots.

How Online Slots Work

Many players suggest online slots are rigged or fixed and that can be true, but it is not the case with all of the online casinos on BettingGuide.com. Each online casino is independently tested to ensure all the games are fair.

Every online slot game uses a random number generator (RNG) computer which creates random sequences to ensure the slot is fair and not fixed. Each spin of an online slot is completely random, and the previous spins do not affect the result in any way.

Also, some players suggest online casinos can influence the results to alter payouts or other factors, but this is simply not true. Online slots are built, developed, and provided by third-party gaming companies such as Microgaming or NetEnt, and online casinos have no control over the games. Also, these RNG's are routinely checked by independent companies to ensure a fair playing experience.

Different Types of Online Slots

Online slots have come a long way, and there are now several different variations available to players. They are all still run through Random Number Generators, but they can be designed in different ways to create different gameplay styles.

The US's best online slot casinos often focus specifically on this type of game at the expense of others. There could be dozens or even hundreds of slot games available to try out.

Slots can come in all sorts of shapes and sizes now with different types offered. There are 3D slots, video slots, and slots that are based on popular films and TV shows like Game of Thrones.

Classic casino games such as roulette and blackjack are also commonly available. Within this, there are likely to be a few different options when it comes to both roulette and blackjack.

While the game is ignored in some countries around the world, baccarat is huge across Asia. Easy to play and with a very low house edge, it is simple to see why people love baccarat. This makes baccarat one of the top games to play at the best online baccarat casinos these days. 

3 and 5 Reel Online Slots

The 3 reel online slots also known as classic slots are for people that like to keep it simple. Reels are the vertical sections that roll with each press or pull of the lever, and the 3 reel slot was the traditional build for slot machines.

Just match the symbols along the top, middle, or bottom line to win, or even just the single pay line that runs through the middle on the simplest of 3 reel slots. Some 3 reel online slots are built with an old-school look and sound just like a traditional fruit machine that you could find at a traditional casino.

Most online slots now offer 5 reels and tend to be more visually attractive and entertaining. The increase in reels also increased the pay line possibilities with potentially higher cash prizes.

Progressive Online Slots

Progressive online slots are games in which the jackpot increases by a small amount every time you spin if it is not won during a game. Progressive jackpot slot games are very popular casino games with the chance of winning massive jackpots.

Most progressive online slots increase from players all around the world playing at the same time and contributing to a huge prize pool for one lucky winner.

Mobile Online Slots

With the increase in dependence on our mobile devices, online gaming companies started to develop mobile-specific online slot games for players to play on the go.

These slots games have been specifically created to play on smart devices such as phones or tablets while not decreasing the visuals from playing on a smaller screen.