The Latest US Casino Bonus Codes 2025

US Casino Bonus Codes

We are always on the lookout for casino bonus codes that lead to valuable promotions. We also understand that these codes are only temporary, so we continually check for fresh ones that can unlock new offers. Once we find them and test them to see if everything works as advertised, we promptly update this page with the latest information.

Below are a couple of tables that contain the best casino promo codes you can enter at top online casinos and sweepstakes platforms across the US.

Real Money Casino Bonus Codes

Sweepstakes Casino Bonus Codes

Free Casino Promo Codes for Existing Customers

In 99% of cases, promo codes are used to unlock some of the best casino bonuses, most of them being a welcome bonus. They are often entered upon registration or while completing your first deposit or purchase. 

However, on some rare occasions, a promo code may be applied to an offer designed for existing customers. For instance, a casino may present a special holiday bonus during Christmas or Valentine's Day, but only for those players who have a promo code.

If we ever run into a bonus code leading to an ongoing promotion, you will find it right here.

How Do Casino Bonus Codes Work

Casino bonus codes are alphanumeric codes used by some online casinos to track and distribute special promotions. They usually consist of several letters and numbers, like WSNCASINO, PLAY50, or BONUS20, that you can type in during registration or while completing your first deposit. 

You may wonder why an online casino would even require a bonus code. Why don’t they give you the bonus right away?

Well, this is done for a few reasons. By having a bonus code, a casino can ensure that players are opting for specific deals while also being able to run targeted casino promotions for different players. For example, a gaming platform may have two or more separate welcome bonuses, and a code you use can tell them which one you wish to claim.

Codes are also used to track and reward specific affiliate partners. While the same bonus may be available through multiple sources, each promo code casino offer is uniquely tied to an affiliate, allowing the platform to identify where the player discovered the promotion.

You can sometimes see bonus codes for online casinos directly on the casino site or on one of the affiliate platforms. You can also find them at dedicated player hubs like WSN, where we source the best offers for maximum value.

Types of Casino Promo Codes

Bonus codes can unlock a variety of promotions, including but not limited to:

• No deposit bonuses: By applying the right code, you can get free cash, coins, or free spins just by signing up without committing any of your own money.

• First deposit bonuses: These typically match a player’s first deposit, like 100% up to $1,000, for example. They can also be a combination of a deposit match and free spins or can be spread across multiple deposits.

• Cashback offers: Instead of giving you the bonus funds right away, this promotion merely returns a percentage of your net losses during the promo period.

• Exclusive promotions: The right promo code may land you a special deal that is available only through a select partner like WSN.

• Holiday offers: These can be claimed during and around certain holidays like Christmas, Easter, the Fourth of July, Valentine’s Day, Halloween, and more.

How to Claim Bonus Codes for Online Casinos

To use a bonus code, you just need to find its associated bonus code casino, copy-paste or manually type in the code during registration, deposit, or while claiming the bonus, and you’re done.

Here’s a quick step-by-step guide that describes how using a casino promo code works:

1. Find a valid online casino promo code: To complete this first step, you just need to look at the list on this page. Our experts here at WSN curate and verify the best offers and share bonus codes that help you unlock them.

2. Register to a casino site: If you’re a new player, you’ll need to create an account. This often requires you to share your email, name, address, phone number, and other personal details. You also must be of legal age and from an eligible state.

3. Enter the bonus code: The registration form will often contain a field where you can paste or manually enter the promo code. Some casinos require codes later on during deposit or bonus activation.

4. Start playing: Once the bonus funds have been credited to your account, you can explore the casino’s games and start playing.

5. Meet the requirements: Most bonuses come with wagering requirements, game restrictions, and expiration dates. Always check the bonus terms to understand how to unlock your winnings.

Casino Sites That You Should Avoid

Not all US-friendly online casinos are trustworthy. Some operate without proper licenses, have unfair terms, or make withdrawals nearly impossible. Even offshore casinos use tempting promo code offers to lure players in, only to trap them with hidden restrictions or shady practices. So, if you ever see an online casino bonus code that is too good to be true, double-check if the casino is legit.

There are too many casinos you should avoid to even count, so I’ll only highlight a few. Also, if you suspect a casino may be fraudulent, please feel free to report it to us so we can add it to our blacklist.

Slots Empire

• Unresponsive support

• Payout issues

• Low withdrawal limits

Manhattan Slots

• Associated with the notorious AffPower Group

• Plenty of player complaints

• Low cashout limits

Raging Bull

• Slow payouts

• Poor customer support

• Very high minimum deposit and withdrawal limits

How We Rate

Every day, our experts dig through dozens of US casino sites in search of new bonuses and  bonus codes needed to unlock them.

But we don’t merely find bonus codes and pile them up on this page. Before a casino promo code is given the green light, our experts perform hours-long testing, personally claiming the offers and assessing the casino in question.

We distinguish ourselves by using a specific BetEdge methodology during our rating process. Every relevant factor goes into our evaluations, from bonus value to game variety, our user experience, banking, and customer care. Once everything is checked, we give the casino a final grade and rank it accordingly.

Our work is never done, as we also spend several hours each week checking whether the bonuses are still active or if any new ones were added, ensuring that the list before you is always up to date.

Why Trust Us

We hire seasoned experts dedicated to helping both new and experienced players navigate the ever-expanding online casino landscape with accurate and unbiased information.

More than 40 iGaming experts work day in and day out, analyzing each casino to the finest of details to deliver a true estimate and help players make an informed decision. By sticking to our suggestions, you are guaranteed to always be on the legal side of gambling, as we only review licensed casinos and sweepstakes sites, writing off any offshore platform we come across. 

We also have betting guides and videos to educate players, while our Responsible Gambling Center offers expert-backed guidance and resources.

You can do your part and help us become even better. We value everyone’s feedback, so share your thoughts in our reviews or contact us directly with any questions you may have.

Responsible Gambling

At WSN, we believe gambling should be fun and safe at the same time. That’s why we encourage responsible play and provide resources to help you stay on track. Here are a few tips on how to play smarter while retaining control:

• Manage your budget: Decide how much you can afford to spend before starting and never go beyond your limit.

• Only use disposable income: Never let gambling interfere with your essential expenses. Money for your rent, bills, and food should not be used at online casinos or sportsbooks.

• Limit your playing time: Legit online casinos have handy, responsible gambling tools you can use to keep gambling from taking over your daily routine. These include time, deposit, and loss limits, as well as temporary and permanent account closures.

• Accept your losses: Never chase losses by making bigger bets. Stick to your budget.

• Know your odds: Understanding how games work helps you make smarter, more informed decisions.

For more guidance, visit our WSN Responsible Gambling Center, where we offer expert-backed tips and support. If gambling is becoming a problem, you can find help by calling 1-800-GAMBLER or visiting the NCPG website for confidential assistance.