I Tested All US Online Casinos To Find The Best Bonuses, Games & Apps for December 21, 2025
If you love casino games, I've got you covered as I tested all legal US online casinos to compile my list of the five best online casinos for players in states with real money online casinos. As a bonus, you will also be able to read the list of my top five social casinos for those in states without legal online casinos.
I’m going to tell you why you need to sign up for the best online casinos, what their welcome offers are for new customers, and why it’s in your best interest to create accounts at these online casinos today to play the best casino games out there.
Must be 21+ to participate. T&Cs apply.
My Top 5 Online Casinos
| Online Casino | Current Promo (Summary) | Why It Stands Out |
|---|---|---|
| BetMGM Online Casino | Get a 100% deposit match for up to $1,000 plus $25 bonus credit promo code BOOKIES | Industry leader with a massive game library, exclusive MGM-branded slots, and strong live dealer options backed by a trusted global brand. |
| Caesars Palace Online Casino | Get $10 on registration, plus a $1,000 deposit match with promo code BOOKIESLAUNCH | Known for its premium user experience, Caesars Rewards integration, and exclusive slot titles you won’t find elsewhere. |
| Fanatics Online Casino | Bet $10, Get 1,000 Bonus Spins on a featured slot game | Unique Fanatics Rewards system lets players earn FanCash across sports betting, casino, and retail — ideal for brand-loyal users. |
| DraftKings Online Casino | Get 500 Spins on Cash Eruption Games, plus you can get back up to $1,000 in credits. | One of the most popular casino apps in CT, offering top-tier slots, smooth mobile gameplay, and frequent ongoing promotions. |
| FanDuel Online Casino | Deposit $10 and get 500 bonus spins, plus get $40 in a casino bonus | Excels in usability and live dealer games, with fast payouts and seamless integration with FanDuel Sportsbook in Connecticut. |
I’ve used all of these online casinos extensively, and I will share my first-hand thoughts on them below.
BetMGM Online Casino
When it comes to the quantity of casino games, there is no better place to play than BetMGM Online Casino . By my count, there are more than 2,500 casino games available, giving casino players plenty of options to test their casino-playing skills. I love everything that BetMGM Online Casino has to offer, and I highly recommend you try it out today and see what makes it so great.
Use the BetMGM Online Casino bonus code BOOKIESCAS and get a 100% deposit match for up to $1,000 plus $25 bonus credit. This is one of my favorite offers from any of the top five online casinos, and I know you are going to love it, too. Download the BetMGM Online Casino app for iOS and Android, and join me in playing casino games at this top-notch casino app.
Used 21 Times Today Must be 21+ to participate. T&Cs apply.
Caesars Palace Online Casino
Another one of my favorite online casinos is Caesars Palace Online Casino . Backed by one of the most well-known brand names in the world of entertainment, it’s no surprise that I, and so many others, have enjoyed everything that Caesars Palace Online Casino offers online casino lovers. Use the Caesars Palace Online Casino promo code BOOKIESLAUNCH and get $10 on registration, plus a $1,000 deposit match.
Download the Caesars Palace Online Casino app today for iOS and Android and start playing casino games at this amazing casino app. There are over 1,000 casino games at Caesars Palace Online Casino, so if you want to check out all of the casino games that I have been loving and enjoying, then sign up today and try it out for yourself. Caesars Palace Online Casino gets my highest recommendation based on experience.
Used 19 Times Today Must be 21+ to participate. T&Cs apply.
Fanatics Online Casino
Since it launched in 2024, I have been using Fanatics Online Casino and have loved everything about it. With over 600 casino games available to play, there is a wide variety of options available for casino players here.
Download the Fanatics Online Casino app today for iOS or Android and take full advantage of the welcome bonus, allowing you to get 1,000 Bonus Spins on a featured slot game when you play just $10. I love this bonus because it is low risk and you can have a lot of fun doing so, so that’s why I recommend signing up and checking it out today.
Used 23 Times Today Must be 21+ to participate. T&Cs apply.
DraftKings Online Casino
With over 700 casino games at the tip of your fingers, I recommend checking out DraftKings Online Casino today, a personal favorite of mine. The DraftKings Online Casino app for iOS and Android is one of the best available, as it is very easy to use and keeps you coming back for more. New customers at DraftKings Online Casino can sign up right now and get 500 Spins on Cash Eruption Games, plus you can get back up to $1,000 in credits.
Considering you only have to make a first deposit of $5 to get started at DraftKings Online Casino, you can see why I think this is one of the top online casinos to get signed up for and play your favorite casino games at. DraftKings Online Casino is one of the most trusted names in the world of online gaming, so get signed up now and see why I have so highly encouraged you to sign up for a new account.
Used 27 Times Today Must be 21+ to participate. T&Cs apply.
FanDuel Online Casino
I’ve been very impressed with FanDuel Online Casino , too. With over 600 casino games available to play, there is something for everyone at FanDuel Online Casino. Right now, new customers can sign up and claim the welcome bonus, giving new users the chance to deposit $10 and get 500 bonus spins, plus get $40 in a casino bonus. That is a phenomenal welcome bonus from one of the best online casinos out there.
Download the FanDuel Online Casino app for iOS or Android today and discover for yourself what makes it one of the best out there. This is one of the best online casinos you can play at, and I can’t recommend signing up enough.
Used 23 Times Today Must be 21+ to participate. T&Cs apply.
Top 5 Social Casinos
If you are located in a state where legal online casinos are not currently available, you can sign up for the top five social casinos, which are available in most states except a few. Here are five of the best social casinos I recommend signing up for and which are available in most states:
High 5 Sweeps Casino
I love playing at High 5 Sweeps Casino, which is one of the top social casinos out there. With a selection of over 1,500 casino games – among the highest total at any social casino in the country – I’m always keeping myself busy when I play games at High 5 Sweeps Casino.
Right now, new customers can sign up for High 5 Sweeps Casino and take advantage of the welcome bonus, giving new users 600 Diamonds, 250 Game Coins, and 5 FREE Sweeps Coins on sign-up, which is one of the very best welcome bonuses that is available out there. Download the High 5 Sweeps Casino for iOS or Android today and see for yourself why I enjoy it so much.
Used 31 Times Today Must be 21+ to participate. T&Cs apply.
McLuck Social Casino
I have had a great time playing at McLuck Social Casino, which boasts over 1,000 casino games to play. McLuck Social Casino offers a fantastic casino app for both iOS and Android, giving you two different platforms to play on. I am a big fan of the McLucky Social Casino welcome bonus, which lets new customers get up to 57,000 Gold Coins and get FREE 27.5 Sweepstakes Coins.
This is a great offer, and one that I have personally taken advantage of, too. Sign up right now and check out everything that McLuck Social Casino has to offer its users today. There is so much to like and enjoy about McLuck Social Casino, so see for yourself.
Used 33 Times Today Must be 21+ to participate. T&Cs apply.
WOW Vegas Social Casino
WOW Vegas Social Casino puts the thrills of Las Vegas into the palm of your hand as you can play over 1,500 exciting casino games. I’m a bit disappointed there is no WOW Vegas Social Casino app to download for iOS or Android, but thankfully, the site’s website is tailored for your mobile device anyway. Right now, take advantage of the WOW Vegas Social Casino welcome bonus that gives new customers 1.5 million WOW Coins and 35 Free Sweepstakes Coins for just $9.99. It’s a fantastic welcome offer, so sign up and play the fun games I’ve been enjoying.
Used 28 Times Today Must be 21+ to participate. T&Cs apply.
Sweeptastic Social Casino
I also recommend checking out Sweeptastic Social Casino. I have really liked the casino games being offered at Sweeptastic Social Casino, which has over 1,000 casino games for you to check out and enjoy. With so many different games available, that means there will surely be something that piques your interest.
Keep in mind that while there is no app for iOS or Android, the Sweeptastic Social Casino site still works very well on your mobile devices. Sign up for the Sweeptastic Social Casino welcome bonus today and get 55,000 plus 34 FREE SC for just $14.99. It’s a great welcome bonus and gives you lots of value for your purchase.
Used 16 Times Today Must be 21+ to participate. T&Cs apply.
BetRivers.Net Sweepstakes Social Casino
Finally, I want you to also sign up for BetRivers.Net Sweepstakes Social Casino and check it out for yourself. There are over 600 games offered at BetRivers.Net Sweepstakes Social Casino, which lags a bit behind the other social casino options available, but I also think the quality of the games is quite high, so it’s definitely worth signing up for and checking out to see what makes it great.
There is no app for iOS or Android, but from my experience, the BetRivers.net Sweepstakes Social Casino website works well on mobile devices. Sign up for BetRivers.Net Sweepstakes Social Casino and get the chance to make a $1,000 spin to win virtual credits every day at this fun and exciting social casino app.
Used 32 Times Today Must be 21+ to participate. T&Cs apply.
About the Author
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