Online Slots

There’s nothing quite like hitting the spin button and fixing your eyes on the best online slots as you hold your breath and await the results. But with a huge number of online casinos out there, knowing exactly which slots offer the best return-to-player (RTP) and which online casino providers are dedicated to fairness and excellence in customer service will help you maximize your playing pleasure.

This guide will take you through the best online slots you can play with real money in the USA, focusing on the entertainment levels provided by each one, the best online casinos to play them at, the features and benefits offered like bonuses and free spins, and the various types of jackpots available.

Online gambling in Arizona is incredibly popular, and there are some excellent sports betting markets to enjoy. While there are quite a few different sports betting markets, some of the most popular in the Grand Canyon State include:

Whether you’re new to playing online slots or a seasoned gamer, you’ll find everything you need to know for your next winning streak in our online slots reviews. Let’s get started.

What to look for when you play slots online

The stand-out online casinos and slots providers focus on the player’s enjoyment first. When you play slots online, you’ll want to look out for the following features:

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A high return-to-player ratio 

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A variety of entertaining slot games

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A variety of entertaining slot games

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Reliable game software without bugs and errors

Read on to learn about the top online slot games for US players that deliver all of these criteria. 

Top 10 popular slot games

Ready to jump in and enjoy the best casino action on the internet? We’ve put together online slot game reviews to help you select the best online betting options. Here are ten games that will keep you on the edge of your seat. 

Avalon II

Real online slots go medieval with this game’s historical theme rooted in the legend of King Arthur.

Avalon II features five reels, a 500x jackpot, and a competitive RTP of 97%, making it one of Microgaming’s most alluring offerings. Players should note that it features a standard jackpot that isn't progressive.

Guns N' Roses

Fans of classic rock music will love this slot game which features original hits from the band and slot symbols that evoke memories of Axl Rose.

With an RTP of 96.98%, this NetEnt game delivers a fair and engaging casino experience. Five reels and a total of 20 pay lines provide plenty of opportunities to enjoy a fantastic slot machine online while enjoying the sights and sounds of one of the rock music world’s truly great bands.

Thunderstruck II

Harness the power of Thor and the Nordic gods as you spin your way to victory in this action-packed online slot offering from Microgaming.

This game stands out among new online slots for its extraordinary number of winning combinations. An RTP of 96.65%, five reels, and an astounding “243 Ways to Win” bring fun, fairness, and entertainment together in this game.

Wheel of Fortune

If you're a fan of the Wheel of Fortune TV show, this game offers nostalgia and many chances to win. Its RTP of 96.6% ranks favorably in our list and features a unique reel system designed to increase the number of winning combinations you can spin.

The game offers 720 ways to win, making it one of the most exciting games we have reviewed. Some of these numerous wins may not be extremely high in value, but they certainly keep the action going for hours of entertainment.

Mega Fortune

This game is all about the chance to win big. Five reels and 25 pay lines make Mega Fortune ideal for players who have their eyes on the jackpot.

Speaking of jackpots, the coins keep multiplying in this game with its progressive jackpot and generous bonuses. Mega Fortune has an RTP of 96.4%, ensuring fairness and excitement on every spin.

Cash Bandits 2

Cash Bandits is a great choice if you're a fan of animation. Following up on the hit original, the sequel features fantastic detail and smooth reel action from five reels, 25 pay lines, and exciting bonuses to boot.

Featuring an RTP of 95.3%, this is definitely a game you can play with confidence for extended periods.

Reels of Wealth

Visual appeal meets casino action in this jewel-themed game from Betsoft. Ten pay lines, four jackpots, a range of bonuses, and the chance to win more than 60,000 coins on a single spin are just a few aspects that players can look forward to when they spin the Reels of Wealth.

The game has an RTP of 95.29%, a fair statistic for a slot offering with such a generous jackpot structure.

Bubble Bubble 2

Sometimes it takes a little magic to win big, and you may just find yourself bewitched by the spells and potions of Bubble Bubble 2. Five reels, 50 pay lines, and various bonuses and multipliers - some provided by the game’s two witches, provide ample entertainment and engaging graphics.

At 96%, Bubble Bubble 2’s RTP ranks highly on our list and should ensure hours of gaming pleasure.

Caesar’s Empire

This high-RTP (97%), Roman-themed slot game puts you in the emperor's chariot with five reels, 20 pay lines, and progressive jackpots fit for Caesar himself. A wildcard feature allows lucky players to triple their winnings when it appears. Overall, this game offers solid slots action with an easy to play interface.

Wizard of Oz

An American family favorite, the Wizard of Oz brings back nostalgic memories for millions of online slot players. This game is a classic in its own right, with a simple five-reel, 30 pay line setup, and extra features like free spins to keep you engaged.

With an RTP of 95.99%, the game is ideal for extended play. You'll never want the yellow brick road to end.

How Online Slots Work

Getting started with online casino games is straightforward. Select an online casino from our list, try out the games for free, and if you like what you see, sign up by following these steps:

  1. Register for an account
  2. Select a payment method to fund your account
  3. Take advantage of sign-up bonuses
  4. Start chasing that jackpot

Online Versus Brick & Mortar Casinos

Online slots offer many advantages over traditional land-based casinos. The variety of games on offer, RTP percentage, and the sheer convenience of being able to spin the wheels in the comfort of your own home sets online gambling apart from traditional casinos.

If you enjoy the social aspect of playing casino games with other people around you, you can always simulate this with multiplayer online slot games. 

Slot Bonuses

The excitement of playing your favorite slot game keeps getting better and better when you have free spins, special jackpots, and other bonuses thrown in by the game developers.

Slot bonuses are a feature of online slot games that give you a much-needed boost during gameplay and provide even more opportunities to win. You can take advantage of these features in the game by clicking the button or symbol that appears on your screen. 


It’s essential to know the difference between a normal and progressive jackpot when you bet online.

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A normal jackpot is a fixed prize amount that the slot game pays out when you spin a given combination. You'll find a complete listing of these combinations and jackpot amounts on the game screen.

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A progressive jackpot grows in value the more you play, and when paid out, it returns to a minimum value. Winning a progressive jackpot could net you a generous amount of money if luck is on your side.

How To Play Slots Online

If you’re wondering how to win online slots, the first step is to get started as a new player.

By reading our online slot reviews, you’ll be off to a good start when choosing a reliable online casino that offers some of the most exciting digital slot games available.

Once you’ve played slots for free, you can register your account, fund it, and start playing slots with real money. Here are some tips to help you maximize your enjoyment.

How To Play Like A Winner

Some gamblers spend a lot of time figuring out which online slot machines pay the best. The sheer complexity of attempting this and the fact that luck plays a large role in your success when playing slots make it almost impossible to game the system. 

Instead, you can try some of these tried and tested methods:

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Only play with money you can afford to lose. Online slots are a form of entertainment, not a side hustle.

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Have a strategy. To lengthen your playing time and enjoyment, you'll want to divide your playing budget into small denominations.

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Bank your winnings. If you hit the jackpot or notice that you have more money in your total than when you started playing, cash out your winnings, put them aside, and only play with the original amount you budgeted.

Slot companies

Technical glitches, software bugs that cause games to freeze, and less than honest developers can ruin your gaming experience. That’s why it’s essential to consult our best online slots review and select well-known games created by some of the best developers in the industry. 

Playtech, BetSoft, and Microgaming are three of the top online slots developers globally, and their creations make up the majority of the most popular online slot games (including the ones in our top 10 list). Stick with the best online slot companies for maximum player satisfaction and peace of mind.

The Bottom Line

Thank you for browsing our quick review of the best online slot games for US players. You’re ready to select the perfect game and casino for your gaming pleasure. 

With a list of the best online casino slots and all the information needed to choose a fair and exciting online casino, all that’s left for you to do is browse our selection of slot games, pick one that jumps out, and sign up for an account at one of the casinos above. 

For more questions, feel free to read our FAQs below. 

Frequently Asked Questions

Online gambling is legal at the federal level, but some states don’t allow it. You can play slots with real money in the following states: New Jersey, Delaware, Michigan, Pennsylvania, West Virginia, and Nevada, with other states soon to be added to the list. 

As long as online gambling is legal in your state, you can sign up for a real money account. You can also visit online casino sites to taste the action by playing demo games before you wager real money. 

Famous slot games, including Avalon II, Guns N’ Roses, Thunderstruck II, and Wheel of Fortune, usually top the list, with Starburst, Big Bass Bonanza, Ancient Gods, and Book of Dead not far behind. 

Yes. Slots offer great variety and fewer complex rules than casino card games. It’s advisable to play for free until you get a feel for how slots work before betting real money.

Return-to-player measures the amount a player can win back by wagering a certain amount for a certain period. You’ll want to play at casinos with a higher RTP to boost your odds of winning.

This type of jackpot grows over time until you win it and then resets to its lower starting level. Players with patience can build up a generous jackpot and potentially win big. 

Most of the online slots featured on our site include a free or demo feature that lets you play for free while you learn the game. Once you’re ready to wager real money, you can simply sign up for an account.

Your chances of hitting the jackpot depend on your luck and how long you play a particular slot game. Playing online slots for enjoyment is always a better strategy than figuring out your odds precisely. 

We can’t speak for all online slots and casinos, but the online slot reviews on our site only recommend casinos that apply fair practices and seek to maximize player enjoyment and RTP. We never promote or recommend rigged slots. 

As a rule, if you’re able to bet real money at an online casino, you’ll be paid out in real money as well. The casinos featured on this site offer prompt payment of winnings and easy account funding.