Written by Lauren Harrison
Updated September 13th, 2022

Best Online Slots and Slot Casinos 2022 Compare top US online slots and real money slot casinos.

Slots are the most popular type of casino game, globally, the indisputable king of the casino. Spun from Atlantic City to New Delhi, these old favorites continually top charts for number of: players, prizes paid out, new titles released, awards won, and revenue. Essentially, slots top all the charts.

But why should you invest your hard-earned dollars and make slots your casino game of choice? Well, aside from the thousands of game and theme options available at your fingertips 24/7, slots provide jackpots, the chance to win hundreds of thousands of dollars, adventure into jaw-dropping bonus rounds, and you'll have an awesome time as you spin to win.

✅  Variable RTPs: 85-96% ✅  Suits all types of players ✅  Provides varied & immersive gameplay.

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What the Best Slot Casinos Offer

The casinos listed above are the top US-licensed slot sites available. Each has passed the Casino Cabbie review process with flying colors and also has an impressive slots lobby, providing players with:

slots 2
  1. Hundreds of Free and Real Money Slots to Play: The casinos listed on this page offer hundreds of slot games to play, including classic, video, and jackpot options. Pick a casino and dive into a grand gaming lobby filled with fun - whether you’re betting with real money or playing for fun!
  2. Varied Slots Software Offers Different Styles of Gaming: The best US online casinos provide players with various software options from providers like NetEnt, Scientific Games, Big Time Gaming, and Yggdrasil (among others), which provides players with an exciting casino experience. Did you know that each of our casino reviews includes a breakdown of what software each casino features, the number of each type of game available, and the min/max bet per game? Find out more via our casino reviews.
  3. Fantastic Welcome Offers and Regular Slot Bonuses: If you want the best experience playing slots online, then be sure to pick a listed casino with a top-notch welcome offer and ongoing bonuses that’ll keep you spinning for less (like tournaments and free spins).

Still not sure which of our recommended online casinos to pick? Then get more info by clicking on the review, or use the total review score to highlight the best sites for slot players!

What Types of Slots Can I Play at the Casino?

Believe it or not, game makers have been hard at work making slots since the 1800s - pretty impressive.

Modern online slots are vastly different from the earlier, hand-operated machines of the olden days. Instead of one-armed bandits and physical reels, players now operate game software designed in studios by teams of mathematicians, storytellers, and artists (to name but a few).

The gameplay is also far more complex as the move to modern software has created limitless opportunities for game studios to innovate and create new game ideas. Don't worry. As you’ll see below, you can still find plenty of classic-styled slots to spin at the casino.

The Classics

triple diamond slot

“The Classics” refers to a genre of online slot that emulates the original slot machine style and tends to feature fewer betlines and reels (usually 3, but sometimes 5). While fewer betlines mean fewer ways to win the game, this slot style boasts higher symbol payouts, and due to the lower number of reels, winning hits feel more frequent, creating excellent gameplay.

Video Slots

gonzo's quest slot

Video slots tend to focus on immersive gameplay and bonus rounds. Providing more action, more immersion, and more complex gameplay than the classics. With a larger number of reels (5+) and paylines (typically up to 9-243), video slots offer huge flexibility in approach and design, from cascading reels to re-spins, free spins, wilds, in-game bonuses, and loads more. What's more, video slots have a greater focus on the narrative, favoring themes that provide the chance to create epic backdrops and impressive graphics or animations.

Jackpot Slots

divine fortune slot

Jackpot slots can be classic, video, or new: adding a jackpot prize categorizes them, with the most popular type being progressives. Progressive jackpots work by adding a percentage of each player’s bet from each spin to the jackpot total; the pot is then won when a player completes the bonus round.

As progressives are extremely popular, the most played titles often award prizes worth millions of dollars. In fact, the world’s two most popular progressive slots (Mega Fortune and Mega Moolah - not available in the US) have both broken records for the largest slot payouts, totaling over $20m.

New Slots

white rabbit slot

As a category of game, new slots is vast, and it’s an all-in-one catchment term for any new slot release that delivers on innovation. Be it a new mechanic, concept, or form of bonus.

The most striking type of new slot game in the last few years is BTG’s Megaways™ (Megaways™ slots alter the number of ways to win with each spin of the reels), but it's not the only type of new slot game developed in recent years: first came 3D slots, then infireels, clusterpayz, and expanding reels (so there’re plenty of groundbreaking games to explore in this category).

How to Play and Win Online Slots

Slots are a game of luck: you spin the reels, and it’s up to the RNG (random number generator) to produce an unexpected result from the possible outcomes (which depending on the game, reels, symbols, and betlines can be a few or hundreds of thousands).

To win, players need to line up matching symbols on an active betline (some slots have fixed betlines, others allow you to decide how many to play). Players can find all game rules, including payouts and bonus symbols, in the slot game’s paytable (load up the game, locate the ‘i’ icon on the reel frame, and click it). To begin playing:

  1. Once you’ve picked a game and checked the bet level and game rules, decide whether to play in real money mode or demo mode and load the appropriate version of the game.
  2. Decide and adjust your bet level.
  3. Click spin and see if any matching symbols line up on a betline.
  4. If you hit a win, the coins will automatically be added to your balance; if you lose, your stake is deducted.
  5. Spin, win and repeat.

Most Popular Online Slots to Spin

What about those unmissable games that players can’t stop spinning?

  1. Starburst
  2. Gonzo’s Quest
  3. Bonanza
  4. Raging Rhino
  5. Da Vinci Diamonds

Mobile Slot Games

Mobile slots are now commonplace as more than 60% of players globally gamble from their phones. As such, all new and most older slot games are now coded in HTML5 so that players can access them on any device. Spin to win at any of the casinos listed below; each has a US-licensed mobile casino app for iOS and Android players, so you can signup and start playing in minutes.

[basic-toplist num="3" app="ios_store" geoip="enabled"]

netent rage of the seas

Slots Strategy: Win More with Slots

As slots are games of chance there’s no golden winning strategy, rather, the outcome is based on luck. However, you can manage elements of how you bet and pick slots to increase your chances of winning.

Bet Strategy: Set your bet to ensure that you can spin for long enough to hit the highest paying rounds of the game. For example, video slots all come with bonus rounds, and this is where the largest payouts are: you’ll need to spin for long enough to access the bonus rounds without burning through your bankroll in several minutes.

How to Pick an Online Slot Using Stats

There are a couple of convenient statistics that players can and do use to guide them in selecting which slot games to play. These stats are better known are RTP and volatility and indicate how a slot machine pays out.

  • RTP: RTP stands for Return To Player. It is the amount of total bets (100%) returned to players (as a whole). So if a slot game has an RTP of 96%, then as a TOTAL, the game returns 96% of all bets and keeps 4%. The higher a game’s RTP, the more it pays, but RTP reflects the total activity, not a single player’s experience.
  • Volatility: Slot volatility indicates how often a slot machine will produce a win and the type of win. Experienced players will know well that with some slots, you feel like you’re winning, whereas with others, you’ll experience long dry patches: volatility describes this behavior. High volatility slots offer infrequent wins, but when you hit a win, it’s large. Whereas low volatility slots offer frequent low value wins, and medium volatility slots are crowd-pleasers, offering an experience between the two poles.

Using both RTP and volatility, you can select slots that payout and do so in a manner that you find most exciting: small and regular wins or infrequent, larger wins.

Highest Paying Slot Games by RTP

RTP in slot games varies with each title. Usually, providers develop games that stick to the average (between 95-96%), but that’s not always the case. If you’re looking for online slots with the highest payouts, start with these titles.

GameProducerRTPMix/Max BetPlay Now
Mega JokerNetEnt99%$0.10-2.00[goto-button software="500"]
Monopoly Big EventWMS99%$0.20-30.00[goto-button software="600"]
1429 Uncharted SeasThunderkick98.5%$0.10-100[goto-button software="3577"]
Joker StrikerQuickspin98.11%$0.10-10.00[goto-button software="5282"]
Blood SuckersNetEnt98%$0.01-50.00[goto-button software="500"]
Bob The Epic Viking QuestNetEnt98%$0.01-50.00[goto-button software="500"]
JokerizeYggdrasil98%$0.01-2.00[goto-button software="3571"]
White RabbitBTG97.72%$0.01-20.00[goto-button software="733"]
Esqueleto ExplosivoThunderkick97.6%$0.10-100[goto-button software="3577"]
Wolf Pack PayzNextGen97.5%$0.01-2.00[goto-button software="608"]

US-Licensed Slot Providers

Each game provider has its own approach to slot mechanics, payouts, and design. Click on any of the US-licensed casino game providers below to find out more about the studio, including the type of games each makes and their top titles.

Best Casino Bonuses for Slot Players

As the most popular type of casino game, most casino bonuses are eligible for slots play. These are some of the best casino bonuses for slot players.

no deposit casino bonuses

Welcome Deals with Free Spins

Welcome deals are the biggest casino bonus offered to players, and the great news for slot fans is that this bonus is often twinned with free spins, so you can start spinning to win immediately!

Reload Deals

Reload deals usually offer a deposit match or free spins to players who make repeat deposits. Make the most of each deposit by playing with a site that values returning players!

Slot Tournaments

The best type of casino bonus for high-thrill slot players is, without a doubt, tournaments. Tournaments offer jackpot prizes at the cost of a set buy-in, and players compete to be the first to complete set missions and top the leaderboards. Take a look at our tournament casinos in the toplist above. You can see the number of slots featured at each casino and whether it hosts tournaments or not, plus the welcome deal on offer.

Loyalty Clubs - Heck Yes!

US Casino loyalty clubs are one of the best all-round deals for US players. You play and load up your account as usual, and as you play, you'll earn loyalty benefits and climb reward tiers.

Once you begin hitting the points threshold, you can exchange them for real-life rewards at the partner land-based (or online) casinos and resorts, in some cases around the world!

Located Outside A Gambling State?

If you're living outside of NJ, PA, WV, MI, and DE, then sadly, it's not yet legal for you to play real money casino slots. But don't panic. Instead, you can signup and play free slot games at a Sweepstakes Casino.

sweepstake slots
sweepstake slots
sweepstake slots

Where Can I Find Out About the Latest Slot Releases?

Want to find out about and play the latest slot releases? Then check out the weekly Casino Cabbie Digest for all the hottest new game and industry news. As we know you guys love slots, every Friday, we published the latest news and new releases, meaning you’ll always be up to date with what’s going on and what's new to play!

casino cabbie weekly digest #103
September 23, 2022
casino cabbie meets 4theplayer
September 13, 2022
casino cabbie weekly digest #102
September 9, 2022
casino cabbie weekly digest #101
September 2, 2022
casino cabbie weekly digest #100
August 26, 2022
casino cabbie weekly digest #99
August 19, 2022

Enjoy Free Slots at Casino Cabbie

Did you know that you can play almost every casino game in demo mode? Demo mode means playing in practice mode and allows you to experience playing different slots games and testing different game providers without spending a penny. While you can’t win money either, demo mode is a great way to test drive other titles and get a feel for a game - what’s more; it’s also great fun!

Play Real Money Slots at Top USA Casinos

Ready to get in on the action and start playing the world’s most-played and celebrated casino game? Then scroll back to the slot casinos list at the top of this page and select a Cabbie verified site to play with. If you want to find out more about the casinos before joining, read the review, and don’t forget to claim a welcome bonus so you can start spinning real money slots for free!

Slots FAQs

How do online slots work?

Online slots consist of reels, symbols, and paylines. The most basic premise is: a player stakes a bet and clicks spin, the reels spin, and when they stop, if matching symbols fall on an active payline, the game pays out. Winning combinations are usually made up of 3-5+ symbols.

The game consists of both higher and lower-paying symbols and bonus symbols, which trigger extra game rounds like free spins. The bonus rounds are the hardest part of the game to reach and have the highest payouts.

Slots used to be physical machines with symbols painted on the reels and, therefore, a limited number of outcomes. Modern online slots are created by computer software with the reels and outcomes no longer constrained or fixed. Instead, the potential outcomes are programmed, and the game, using a random number generator, randomly selects the outcome of each spin based on the options available. While modern slots have become far more complex with hundreds of thousands of ways to win, the premises remains the same: bet, spin, match symbols, and win.

Where can I practice playing online slots for free?

You can practice playing slots for free with us; click the free slots tab at the start of this page and take your pick from the Casino Cabbie free play lobby, or you can signup to a casino and play in demo mode.

How do progressive jackpots work?

Progressive jackpots take a small portion of each player's bet, adding it to the jackpot prize. Hence, the more people playing a progressive jackpot, the quicker it grows. However, this also means more people competing for a single prize pot, which is why some experts advise playing smaller, less busy progressives.

Be aware that if you plan on playing a progressive jackpot slot, it's essential to read the rules beforehand. Some have specific rules such as; only players using max bet can play for the jackpot, or bet size correlates with the probability of hitting a jackpot prize.

Do people actually win money playing slots?

Yes, millions of players around the world win money playing slots every day. As slot games are tested, fair and payout, players do actually win money on slots, but whether you win or lose is down to luck.

How do I know if a game really pays out?

To find out the rate at which a game pays out, check the RTP; this is an independent and audited figure telling you how much a slot game pays out vs. the money put in.

What is the most ever won by somebody playing online slots?

The most ever won by a person playing an online casino slot is just over $24 million. The anonymous player struck lucky taking a 25c spin on Mega Fortune Slot (NetEnt) in January 2013, playing through all 3 Jackpot Rounds and winning the Mega Jackpot - what a night!

What about the biggest land-based wins? Well, while we’re on the subject, the largest-ever progressive slot land-based win took place at Excalibur Resort, Vegas, and saw a 25-year-old software engineer win $39.7 million on Megabucks Slot (IGT).