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Objective ratings & reviews, side-by-side comparisons, and exclusive offers. We give you everything you need to choose the best casino for you.

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Alicia B. profile picture
93% Read review
by Alicia B.
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Alicia B. profile picture
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Stay Informed with the Latest News in Gaming

Wednesday, May 21st

Your Guide to Legal Online Casinos & Sweepstakes Sites in the USA

Discover the highest-rated legal online casinos and verified sweepstakes casinos based on bonuses, promotions, and player experience.

What You’ll Find on OddsSeeker.com

Oddsseeker helps players find licensed real-money online casinos and verified sweepstakes casinos.

In our reviews, you’ll find each operator is ranked from 1 to 10, based on factors such as bonuses, promotions, game selection, player experience, cashier options, and customer support options.

We also post information comparing casino and sweepstakes casino operators, step-by-step guides on how to choose the best casino, and the legality of gambling in each state.

Our goal is to help you find the best online casinos, have fun, and play safe!

Compare Top Offers This Month

Fortune Coins logo 9.5/10
High 5 Casino logo 9.7/10
YayCasino.com logo 9.3/10
Stake.us logo 9.5/10
Zula Casino logo 9.3/10
Sportzino logo 9.4/10
Bonus Bonus
9.9
9.1
9.5
9.5
9.5
9.7
Experience Experience
9.7
9.8
9.6
9.7
9.7
9.7
Comparison Comparison
9.6
9.9
9.4
9.2
9.2
9.9
Promotions Promotions
9.5
9.5
9.4
9.6
9.5
9.6
Cashier Cashier
9
9.7
8.4
9
8.5
8
Games Games
9.5
9.9
9.5
9.7
9.2
9.5

May 2025 Best Sweepstakes & Casino Bonuses

Casino Bonus Bonus Type State Availability Claim Offer
Caesars Palace $1,000 Deposit Bonus + 2,500 Rewards Points - Use Code ODDSBONUSLAUNCH Deposit Bonus Michigan, New Jersey, Pennsylvania & West Virginia

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BetMGM $25 No-Deposit Bonus No-Deposit Bonus Michigan, New Jersey, Pennsylvania & West Virginia

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FanDuel Play-It-Again First Deposit Bet Up to $1,000 Deposit Bonus Michigan, New Jersey, Pennsylvania & West Virginia

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Hard Rock Bet $1,000 Deposit Bonus + 500 Bonus Spins Deposit Bonus New Jersey

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PlayLive! Casino 25 Free Spins No-Deposit Bonus Pennsylvania

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YayCasino.com 10 Free Sweeps Coins + 100,000 Gold Coins No-Deposit Bonus All EXCEPT Washington, Nevada, Idaho, New York, and Michigan

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Fortune Coins 1,400 Free Sweeps Coins + 650,000 Gold Coins No-Deposit Bonus All U.S. states and Canadian provinces EXCEPT Washington, Idaho, Michigan, Nevada, Washington D.C., Ontario, and Quebec

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Zula Casino 10 Free Sweeps Coins + 120,000 Gold Coins No-Deposit Bonus All U.S. states EXCEPT Idaho, Michigan, Nevada, and Washington

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Hello Millions 230,000 Gold Coins for $70 + 115 FREE Sweeps Coins Purchase Bonus All US States EXCEPT Alabama, Delaware, Washington, Idaho, Ohio, Michigan, Montana, Nevada, Kentucky, Georgia, New York, Connecticut, Mississippi, West Virginia, Maryland, and New Jersey

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Stake.us 25 Free Stake Cash + 250,000 Gold Coins - Use Code ODDSSEEKER No-Deposit Bonus All U.S. states EXCEPT Washington, New York, Nevada, Idaho, Kentucky, Michigan, and Vermont

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Sportzino 10 Free Sweeps Coins + 220,000 Gold Coins No-Deposit Bonus All U.S. states EXCEPT Idaho, Georgia, Michigan, and Washington

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Not Sure Where to Start? Let Us Guide You

Choosing an online casino or a sweepstakes casino can be a daunting task. You could spend hours analyzing bonuses, casino game lobbies, promotions for existing players, and player experiences.

But wouldn’t you rather spend that time playing casino games?

Here are some tips to help you find the best online casinos.

Step-By-Step: Claiming a Casino Bonus

Every online casino offers some type of welcome bonus as well as promotions for existing players.

There are two types of casino bonuses: no-deposit bonuses and purchase promos. Many welcome bonuses include both.

Here are the steps you’ll need to take to claim an online casino no-deposit bonus:

  1. Click the “Claim Offer” button on our website to be directed to the casino’s signup page.

  2. Click “Join Now” or “Sign Up”.

  3. Fill out the form with the required information (usually your name, birthdate, address, email address, and phone number.

  4. Accept the terms and conditions.

  5. Enter a bonus code (if prompted).

  6. Confirm your email address and mobile phone number.

Your bonus should be added to your account upon successful completion of the signup process, including any qualifying actions.

Here are some additional steps you may need to take to claim an online casino deposit bonus or first-purchase promo:

  1. Click on the “Promotions” page to see all available purchase offers.

  2. Choose the promotion you wish to accept to be taken to the cashier section. (You may be able to claim the promotion directly from the cashier page.)

  3. Enter how much you’d like to deposit or purchase (you’ll need to make a minimum qualifying deposit).

  4. Choose your payment or deposit method.

  5. Complete the process with a third-party payment processor or directly with the casino.

Your bonus funds should be available for immediate gameplay.

Bonus Value Rankings

We don’t just rate casino bonuses based on the dollar amount – we consider several factors, including terms and conditions, wagering requirements, average casino game return-to-player percentage (RTP), and game contribution percentages.

Dollar Amount: Obviously, the higher the bonus, the better! Yes, we consider how much you’ll get when you sign up or make a deposit at an online casino because we want you to get the best bonus possible.

Terms and Conditions: We consider bonus expiration dates, qualifying actions, qualifying games, wagering requirements, and game contribution percentages, which we’ll break down in the following sections.

Wagering Requirements: If a bonus comes with 1x wagering requirements (the amount of times you need to play bonus funds and sometimes the deposit before you can withdraw winnings), that’s a pretty good deal!

But if a bonus comes with 30x wagering requirements, you’ll need to play your bonus funds more before you can withdraw winnings.

Qualifying Games: Some online casinos only allow you to play bonus funds on qualifying games. We want to see a good selection of slots, table games, live dealer games, and instant win games that contribute toward wagering requirements.

Game Contribution Percentages: At most online casinos, slots contribute 100% toward wagering requirements but table games, video poker, and live dealer games may not contribute at all or may only contribute a fraction of what other games do.

Average Casino Game RTP: If qualifying games have low RTPs, you don’t have as good of a chance of winning.

This is why we consider each online casino’s average game RTP when rating bonuses.

All of these factors show the true value of an online casino bonus, so we break them down for you to give you a chance of winning real money.

Trending Right Now

Now that you have an understanding of how we rank online casinos, let’s take a look at the sites that are popular with other players!

The table below shows the most popular online casinos in the industry.

Casino State Availability Claim Offer
FanDuel Michigan, New Jersey, Pennsylvania & West Virginia

CLAIM

Hard Rock Bet New Jersey

CLAIM

YayCasino.com All U.S. states EXCEPT Washington, Nevada, Idaho, New York, and Michigan

CLAIM

Casino.Click All U.S. states EXCEPT Idaho, Michigan, Nevada, Kentucky, and Washington

CLAIM

LuckyMe All U.S. states EXCEPT for Wyoming, Washington, Nevada, Michigan, Kentucky, Idaho, Georgia, Delaware, Connecticut, Montana, and Maryland

CLAIM

Trending Reviews

OddsSeeker’s reviews break down the pros and cons of each online casino. The table below shows which of our online casino reviews are most popular with our readers.

Casino Rating Claim Offer
High 5 Casino 9.7/10

CLAIM

Stake.us 9.5/10

CLAIM

Fortune Coins 9.5/10

CLAIM

Hello Millions 9.5/10

CLAIM

Sportzino 9.4/10

CLAIM

Trending Bonuses

One of the top reasons to sign up for an online casino is claiming the welcome bonus – but not all bonuses are created equally!

The table below shows which online casino bonuses are most popular with our readers.

Casino Bonus Claim Offer
YayCasino.com 10 Free Sweeps Coins + 100,000 Gold Coins

CLAIM

Stake.us 25 FREE Stake Cash + 250,000 Gold Coins - Use Code ODDSSEEKER

CLAIM

Fortune Coins 1,400 Free Sweeps Coins + 650,000 Gold Coins

CLAIM

Zula Casino 10 Free Sweeps Coins + 120,000 Gold Coins

CLAIM

Sportzino 10 Free Sweeps Coins + 220,000 Gold Coins

CLAIM

FAQs

How do I know which online casinos are legit?

Real-money online casinos must be licensed in the states in which they operate; sweepstakes casinos are only legally allowed to operate in certain states.

If you’re unsure of whether an online casino or sweepstakes casino is legit, you can always check out our reviews to find out.

Which online casinos offer the best bonuses?

It depends on what type of casino bonus you’re looking for.

The best no-deposit sweepstakes casino bonuses can be found at Fortune Coins, Stake.us, YayCasino.com, Zula, and Sportzino. The best sweepstakes casino first-purchase promo is available at Hello Millions.

The best real-money casino no-deposit bonus is available at BetMGM; the best first-deposit bonus match is available at Caesars Palace.

What’s the difference between online casinos and sweepstakes casinos?

Real-money online casinos are licensed gambling establishments that allow you to bet with real money. Sweepstakes casinos are free-to-play sites that allow you to play with Gold Coins and Sweepstakes Coins, and where you can potentially redeem Sweepstakes Coins for cash prizes and gift cards.

Can I win cash prizes at sweepstakes casinos?

Yes! Once you’ve played Sweepstakes Coins a minimum number of times and won a minimum number of them, you can redeem them for cash prizes.

How does OddsSeeker rate online casinos and sweepstakes casinos?

We rate online casinos and sweepstakes casinos based on factors such as bonuses, promotions, player experience, casino game selection, cashier options, and customer support options.

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