Best Online Casinos in 2025 – Compare Top Casino Sites

Looking for the best online casinos in the USA? You’re in the right place.

At Casino.com, our team of industry experts review the top legal online casinos and social casinos in the country, with everything you need to know about the biggest bonuses, most popular games, and surprising tips to help you play smart, play safe, and make the best of your wagers.

For the last decade or so, social casinos have been experiencing a surge in popularity across the US. By now, it’s become evident that these platforms are the future of online casino gaming. There are two main reasons for this: access and variety.

In 2025, social platforms are live in over 40 states, offering free gameplay with the chance to win real prizes. Some, like Pulsz and Crown Coins, focus purely on slots. Others, such as The Money Factory, Spree, and WOW Vegas, deliver the whole experience, including exclusive slots, sweepstakes rewards, and even professional live dealer games.

Want a fast start? We’ve created a cheat sheet of the best online casinos in the US.

Online casinos in the USA aren’t just a digital version of brick-and-mortar casinos—they’re often better.

Thanks to sweeping technology upgrades, top online casinos offer more games, bigger bonuses, and exclusive promotions you won’t find at any land-based casino, with huge welcome offers aimed to draw in new players and daily, weekly, and monthly promos to keep you coming back for more.

Are you a fan of slots? You’ll find everything from classic fruit machines to hold-and-win, Megaways, and massive jackpot slots. Looking for variety? Online casinos deliver specialty games like keno and scratchcards, plus exotic live dealer titles like Lightning Roulette and Gravity Blackjack—games you’ll rarely, if ever, find in land-based casinos.

While many top platforms feature popular games from A-list developers like Pragmatic Play and Ruby Play, the real magic of online casinos comes from their unique features and indie gaming options you won’t find anywhere else.

The best part? You’re not limited to just one. You can sign up at multiple online casinos and take advantage of what each one does best.

Below, we’ve broken down the standout features, strengths, and bonuses of today’s top legal online casinos in the US.

With numerous online casinos operating 24/7 and offering the latest games, it’s easier than ever to find one that suits you perfectly. However, not every site you’ll encounter is trustworthy or safe. At Casino.com, your safety is our top priority. We want you to enjoy a fun, rewarding experience, without the risks.

That’s why our expert team uses strict criteria to vet every online casino we recommend. Here’s how we separate the best from the rest:

Securing and licensing

For real money casinos, the first thing we check is a valid gaming license. Trusted regulators include the Michigan Gaming Control Board, the Pennsylvania Gaming Control Board, and international bodies like the Malta Gaming Authority.

A proper license guarantees a safe gaming environment, secure payments, responsible play policies, and fair game outcomes.

For social casinos, a strong reputation is key. We review trusted third-party sites, such as Trustpilot and Google Play, to ensure players can trust the platform.

Game selection

Sweepstakes casinos, such as Crown Coins, may have smaller game libraries compared to top social casinos, like WOW Vegas. While most sweeps casinos don’t match the vast selection found at real money online casinos, game diversity still matters.

The best sweepstakes platforms—such as WOW Vegas and The Money Factory—offer huge libraries with more than 1,000 games, including live dealer tables and specialty options like scratchcards and mines.

Bonuses and promotions

Every reputable online casino offers a welcome bonus; however, the best ones take it a step further with ongoing promotions that keep players coming back.

Leading online casinos like Baba, The Money Factory, and Crown Coins feature daily login bonuses, including progressive rewards that grow over time; while Sweep Next stands out with its daily Mega Bonus Wheel, offering players random prizes every day.

Coinsback rewards and loyalty clubs are also becoming must-haves for players looking to maximize value.

Payment Speed

Real money casinos typically offer a wider range of payment options than sweepstakes casinos, But speed matters just as much as choice.

For sweepstakes casinos, cash redemption typically takes 3–5 days. However, the fastest platforms support e-wallets like PayPal and Skrill, as well as cryptocurrencies, allowing payouts almost as quickly as those from traditional casinos.

Mobile experience

Most legitimate real money casinos offer dedicated apps for both iOS and Android devices. Newer casinos often launch without an app, but usually add one later.

While apps can provide extra security and convenience, a top online casino delivers a fast, smooth experience right in your mobile browser.

We look for key features such as short loading times, an intuitive user interface, and seamless navigation, allowing you to play anywhere without hassle.

Customer support

A reliable online casino isn’t just about games and bonuses—it’s also about responsive customer support.

Our team tests how quickly live chat responds, the quality of email and phone support, and how helpful the FAQ section is.

Fast, adequate support means your questions are answered promptly, so you can focus on playing.

Online casinos use promotions to help players win real money, enjoy free games, or score cash prizes.

Real money casinos compete with generous welcome bonuses and ongoing promotions, including cashback and reload bonuses. Meanwhile, sweepstakes casinos rely on no-deposit bonuses, daily login rewards, and more to keep players engaged.

Here’s a quick breakdown of the most popular bonuses you’ll find at both types of casinos:

No Deposit Bonus

These are rare at real money casinos but a major perk at sweepstakes sites. Real money casinos rarely offer no-deposit bonuses except on jackpot slots or some live dealer games. Sweeps casinos give free Gold Coins and Sweeps Coins to play across all games.

Welcome Bonus

The most common bonus for real money casinos is a deposit match, often 100% up to $1,000. Some offer second-chance credits to help recover losses. Sweepstakes casinos usually offer optional Gold Coin packages for new players.

Free Spins

Free spins bonuses can be either part of welcome offers or stand-alone. These let you play slots (often specific slots) for free and win real money or sweepstakes prizes.

VIP Program

Top real money casinos often reward loyal players with perks, tier points, and exclusive offers. Sweepstakes casinos offer social rewards programs with benefits such as premium support, faster redemption, and larger daily bonuses.

Cashback Bonus

Real money casinos typically offer a weekly cashback bonus (usually 8%-10%) to help recover net losses. Sweepstakes casinos provide coinsback bonuses that return Gold Coins and Sweeps Coins.

Reload Bonus

Reload bonuses are deposit matches for existing players, typically 10%-30%, encouraging more gameplay at real money casinos.

Daily Login Bonus

To stay competitive, sweepstakes casinos give daily login bonuses—you’ll get free Gold and Coins Sweeps Coins just for signing in, no playthrough or purchase needed.

Referral Program

Both types of casinos offer referral rewards. Invite friends and earn free credits, spins, or Gold and Sweeps Coins.

Claiming a casino online bonus is straightforward. Some require a promo code, while others activate automatically. Here’s the typical process to get started:

1. Sign up: Join the online casino by creating an account. If you have a referral link, be sure to use it during registration to get extra rewards.
2. Make your first deposit: For real money casinos, deposit funds at the Cashier area to unlock your welcome bonus. Social and sweepstakes casinos usually don’t require a purchase.
3. Enter bonus code (if needed): If you have a promo code, enter it during registration or at the Cashier to activate the bonus. Check out our reviews for exclusive promo codes just for Casino.com readers!
4. Verify your account and start playing! After verifying your account, dive into popular games like online blackjack, video poker, and online roulette with your bonus funds.

With so many offshore sites promising huge bonuses, safety should be your top priority—it is certainly ours. The first rule: always check for a valid gaming license. For social casinos, look for a strong reputation on social media and trusted expert reviews, such as those from our team.

Reputable casinos use 128-bit SSL encryption to protect your data. US-licensed casinos must meet stringent security standards to prevent hackers and fraudsters from accessing their systems and data. The best platforms invest in premium cybersecurity, including AI-powered multi-factor authentication to verify users and secure payments through trusted methods like Mastercard, VISA, and PayPal.

Regarding game fairness, trustworthy casinos feature software from top providers such as NetEnt, IGT, Ruby Play, and Pragmatic Play. These developers are certified by reputable bodies, such as eCOGRA, and utilize random number generators (RNGs) to ensure that every win and loss is fair and completely random.

The rapid growth of online casinos has created distinct niches within the iGaming industry. While they share some features, each niche offers unique benefits and drawbacks. Here’s a breakdown of the three main types:

Real money casinos are entirely legal and available in seven US states: New Jersey, Delaware, West Virginia, Pennsylvania, Michigan, Connecticut and Rhode Island. These states offer players the chance to directly win cash by making deposits and playing a wide range of games.

Social casinos focus on free gameplay using virtual currencies, such as Gold Coins. Many of these platforms offer not only free games but social tournaments and live casino options, but do not offer cash prizes.

Sweepstakes casinos combine free gameplay with the chance to win cash prizes through Sweeps Coins. Available in over 40 states, they are popular for their ubiquity and innovative bonuses. Some, like Legendz, even add social sportsbook features.

Unlike real money casinos, which are currently legal in only seven states, most sweepstakes casinos are available in over 40 states, reaching a far greater number of players nationwide. 

While states like Ohio and Maine work toward legalizing real money online gambling, sweepstakes casinos already offer a legal alternative.

Take a look at this chart to better understand the current legal landscape: