Best Online Slots for Real Money - August, 2023

In the United States, online gambling laws are regulated on a state-by-state basis, with some states allowing online gambling while others do not. As of August, 2023, there are currently four states where online casino gambling, including online slots, is legal and regulated: Michigan, New Jersey, Pennsylvania, West Virginia. Some other states, such as Indiana, have considered it in recent years, but there hasn't been much movement. There's also been a push in other states as sports betting tax revenue disappoints relative to expectations, but there's nothing imminent yet.

While online slots are legal in some states, they are still subject to strict regulations to ensure the fairness and security of the games. Online casinos must be licensed and regulated by state gaming commissions, and the games themselves must be audited and tested by third-party organizations to ensure that they are fair and random.

Online slots in the United States have become increasingly popular in recent years, particularly as more states have legalized online gambling. Online slots offer a convenient and accessible way for players to enjoy the excitement of casino gaming from the comfort of their own homes. Additionally, the graphics, animations, and bonus features of online slots have continued to improve, making them more engaging and entertaining for players. There are hundreds of different options, with all kinds of different types of themes and jackpots available to users.

Overall, the state of online slot machines in the United States is evolving, with more states legalizing and regulating online gambling. As technology continues to advance and online gambling becomes more mainstream, it is likely that online slots will continue to grow in popularity and become an even more prominent part of the US gambling industry.

Which Online Slots Should You Play?

Like in sports betting, there isn't necessarily a consensus "best slot machine" because what makes it the best may differ from person to person. But here are some of the factors to look at.

• RTP: Short for "Return to Player" percentage, it's the percent out of 100% that goes back to players. The higher the RTP, the more users will win over time, though there will be big swings in small samples.
• Volatility: On some machines, you'll win more often, but have lower upside for big scores. On others, you'll win infrequently but have the upside for big payouts.
• Complexity: Most non-slot players think of slots with three reels, and you need to hit three "7s" to score a jackpot. Not anymore. Online slots have thousands of potential payout combinations, and if you're not an experienced player, you may not even know what you're looking at.
• Theme: Whether or not you want to believe it, the visual look and feel of a slot machine matters to many users.
• Bonus rounds: Some users like to build toward free spins and bonus rounds, while for many others that's not important.

Where to Play Online Slots

The best online slots might be a matter of personal preference. You'll find some of the same games at the top legal online casinos.

Or you might find a casino with exclusive games that you like. Certain platforms cater to mobile or desktop players.

To help you decide, here's a breakdown of the five best casinos for online slots.

BetMGM Online Casino

BetMGM's online casino is available in Michigan, New Jersey, Pennsylvania and West Virginia. You can choose from hundreds of different slot games.

BetMGM organizes its slots by categories like featured, new, exclusive games, and software brands.

Featured games include:

• Coin Combo - Carnival Cow (SG Gaming) - RTP 95.97%
• Mega Jackpots - Cleopatra (IGT) - RTP 88.98% - 92.48%
• Gonzo's Quest (NetEnt) - RTP 95.97%
• Divine Fortune (NetEnt) - RTP 96.59%
• 88 Fortunes Megaways (SG/Shuffle Master) - RTP 96.06% - 96.36%

New slot games include:

• Animal Antics (Inspired Gaming) - RTP 95%
• High Seas Jackpots (Greentube) - RTP N/A
• Silverback Gold (NetEnt) - RTP 96.1%
• Tin Can Cash (Inspired Gaming) - RTP 95%
• Dazzling Dragons (High 5 Games) - RTP 95%

These are some of the exclusive games:

• Gold Fish Feeding Time - Treasure (SG Gaming) - RTP 95.89%
• Mask of Amun (Fortune Factory Studios) - RTP 96% - 96.25%
• Double Jackpot Gems (Everi Digital) - RTP 95%
• Bison Fury (GVC) - RTP 93.41%
• Fjord of Riches - (GVC) - RTP 94.08%

Jackpot slots include Diamond Cash, Mega Drop, and Mega Jackpots. Jackpots remain as high as $2 million.

BetMGM's online casino paid out jackpots this year between $171,000 and $2.48 million.

Get lucky playing slots with jackpots and exclusive games at BetMGM!

Bonus Offer: As a new user, you qualify for BetMGM's 100% deposit match up to $1,000 in addition to $25 free by entering promo code ACTIONCASINO.

Caesars Online Casino

Caesars online casino offers almost 1,000 slots. It remains one of the largest casino companies in the U.S. and is available in New Jersey, Pennsylvania, Michigan, and West Virginia.

You'll find dozens of new slots, including:

• Catch of the Day (Inspired Gaming) - RTP 95.05%
• Ultimate Fire Link China Street (SG Gaming) - RTP 95.97%
• The Green Machine Deluxe: Racking Up Riches (High 5 Games) - RTP 96%
• Monopoly Lunar New Year (SG Digital) - RTP 95.99%
• Mermaid's Fortune (AGS) - RTP 95.76%

High Roller slots include:

• Magic of the Nile (IGT) - RTP 96.02%
• Cleopatra Gold (IGT) - RTP 95%
• Book of the Sphinx (IGT) - RTP 96.24%
• Pyramidion (IGT) - RTP 96.39%
• Wild Fury (IGT) - RTP 94.81%

You can select Demo Play for any online slot at Caesars.

You'll find the best bonuses in the industry — and quick payouts.

That makes Caesars a top choice for online slots.

Bonus Offer: Enter promo code ACTIONCAS when registering to earn up to a $2,000 Deposit Match + a $100 Gas Card.

FanDuel Online Casino

Any bonus at the FanDuel online casino comes with a 1x rollover requirement. You'll get reimbursed for any losses within 24 hours of your first deposit.

That makes the online casino at FanDuel a great option for beginners.

You'll find hundreds of the most popular slots, including dozens of jackpots.

Sort the games from A to Z or Z to A. Or you can select the New or Jackpots tabs.

New games include:

• 10,000 Wonders 10K Ways (ReelPlay) - RTP 96.16%
• Big Bucks Bandits Megaways (ReelPlay) - RTP 96.10%
• 1942 Sky Warrior (Red Tiger) - RTP 95.68%
• Age of Akkadia (Red Tiger) - RTP 95.67%
• Flaming Fox (Red Riger) - RTP 96.11%

Jackpot slots include:

• Dancing Drums Explosion (SG Digital) - RTP 96%
• Jin Ji Bao Xi: Endless Treasure (SG Interactive) - RTP 95.34%
• Lightning Leopard (Lightning Box) -  RTP 95.52%
• 5 Treasures (Shuffle Master) - RTP 96.37%
• Candy Bars (IGT) - RTP 94.89%

FanDuel makes it a point to offer some of the best online slots. Without any free play or demo options, you'll need to make a deposit. (There's a $10 minimum.)

Get access to the fastest withdrawals in the industry with a FanDuel account.

Bonus Offer: On your first day as a FanDuel new user, you get up to $1,000 in no-sweat bets. No promo code is needed to qualify for this promotion.

DraftKings Online Casino

The DraftKings online casino, which is available in New Jersey, Pennsylvania, Michigan, West Virginia, and Connecticut, offers more than 700 slots, organized alphabetically. Start with the Jackpots category.

The six jackpot options include:

• Mercy of the Gods (NetEnt) - RTP 96.64%
• MegaJackpots Golden Goddess (IGT) - RTP 96%
• Siberian Storm (IGT) - RTP 88.98% - 93.03%
• Wheel of Fortune (IGT) - RTP 89.05% - 92.55%

You can play Divine Fortune and MegaJackpots Cleopatra. Minimum bets start at $0.20 and max bets reach up to $1,200.

Jackpots range from $42,000 to $673,000.

Popular slots include:

• 88 Fortunes (SG Interactive) - RTP 96%
• Bonanza (BTG) - RTP 96%
• Cash Eruption (IGT) - RTP 96%
• Cash Machine (Everi Digital) - RTP 96%

Minimum bets start at $0.08 and max bets go up to $1,000.

Online slots offer a Demo version.

The online casino at DraftKings offers plenty of slots. If you use a welcome bonus, you'll need to complete a 10x wagering requirement.

To get a better chance at clearing your bonus, you might want to consider the next option.

Bonus Offer: No promo code is needed to claim your 100% deposit match up to $2,000 and a maximum $50 free credit.

Unibet Online Casino

The Unibet online casino offers more than 2,000 slots. The main screen organizes into these categories:

• Unibet Favorites
• Recommended For You
• Drops & Wins
• Jackpots
• Exclusives

The almost 100 new games include:

• Down the Rails (Pragmatic Play) - RTP 95.58%
• Bull in a Rodeo (Play'n GO) - RTP 96.20%
• El Cowboy Megaways  (Stakelogic) - RTP 96.21%
• Disco Mania Megaways Merge (Skywind) - RTP 96.5%
• Lucky Piggy (PG Soft) - RTP 96.79%

There are 290 jackpot games, including daily and progressive jackpots.

The best progressive jackpots include:

• Gold Factory Jackpots Mega Moolah (Aurum Signature Studios) - RTP 93.42%
• Atlantean Treasures Mega Moolah (Neon Valley Studios) - RTP 92.08%
• Mega Fortune Dreams (NetEnt) - RTP 95.9%
• Mega Moolah (Microgaming) - RTP 93.42%
• Absolootly Mad: Mega Moolah (Triple Edge Studios) - RTP 92.02%

These jackpots range up into the $3 million range.

Do you enjoy trying new games with huge jackpots? The online casino at Unibet might be perfect for you.

Plus, on the desktop version, you can hover over each game. It'll show the RTP, volatility, and software developer.

You can choose to Play for fun, as well.

Unibet remains the best in the industry for online slot gameplay diversity.

Bonus Offer: New Unibet users earn a $500 deposit match and $10 free. No promo code required.

Conclusion

Online slots come as one of the most entertaining options at casinos. You can play with any bankroll or skill level. The only thing you'll need is luck.

Test out certain games in demo or free play. Get a sense of where your bankroll may work best.

Play slots that offer free spins and bonus rounds. For some games, you might increase your chances of winning with max bets.

Each slot includes information about rules, paylines, symbols, and characters.

Find your favorite games — and enjoy these best casinos for online slots.

Slots Resources

Online Slots is a game of chance, but we've compiled a list of resources to help you become a successful and informed player: 

• How to Play Online Slots
• Best New Online Slots
• What Does RTP Mean in Online Slots and Casinos?
• Watch Live Slots Online
• Best Casino Free Spin Bonuses

Online casino gaming is currently legal in Michigan, New Jersey, Pennsylvania, West Virginia, Connecticut and Delaware. For more legal information regarding your state, take a look at our online casino legalization tracker.