🗓️ Last update: 05/10/2023
🕒 Reading time: 16 minutes

Best Online Casino Bonuses of May 2024

Bonuses are one of the biggest alternatives that online casinos use to attract more players. In fact, there are more and more casinos being created every day. Therefore, operators are betting more on these offers to stand out from the competition. There are a variety of bonuses offered by online gambling establishments. Some of them are free of charge, while others require certain conditions or tasks to be fulfilled.

Would you like to know more about the different casino bonuses that exist? Find all the information about the best online casino bonuses in this guide.

best online casino bonuses

Top 3 Best Online Casino Bonuses – Picks from Players in May 2024

Here, at MySer Gambling, we always deliver the best online casino bonuses every month. Our team is constantly digging the web to offer you the best offers with the best conditions. Ready to be amazed?

rabona casino
Up to $500 +
200 free spins
golden star casino logo
100% up to $1500 +
100 free spins

What is the purpose of a casino bonus?

When selecting an online casino promotion, players consider several elements. Among these, casino bonuses are in first place. This is an offer issued by online gambling establishments to allow amateurs to practice their passion more freely. Bonuses are gifts that casinos give to gamblers. These generous offers often vary from one online casino bonus to another.

The bonuses offered, allow both old and new players to have many advantages. You can get a better online casino bonus that gives you access to certain games for free. Other casino bonuses allow you to enjoy free spins on slot machines. You should remember that there are a variety of bonuses at online casinos. We can mention, among others, no deposit bonuses, free spins, deposit bonuses, etc. Each of these offers has its own specific advantages.

What is the best online casino bonus in GCC countries?

Today, there are more than a hundred online casinos that offer bonuses to players. As a result, it is becoming more and more complicated to determine the best offers from the bad ones. To detect the most prolific bonuses, it is important to consider certain aspects. Firstly, you need to make sure that your operator is a good gaming establishment. One of the factors that allow you to know this is the casino’s gaming license. You should also consider its publishers and the bonuses it offers.

The best online casino bonus in GCC countries can be determined by the conditions of access to the latter. The possibility of withdrawing bonuses is also an important criterion for choosing a good casino bonus. Here are the bonus we propose :

The best bonus for May 2024: Mr Play (100 spins + 100% up to $200)

my play bonuses

Do you wish to play at an internationally renown and trusted casino that provides amazing bonuses? Then we recommend you have a look at MrPlay Casino which is our best pick for May 2024. Reading our Mr Play Casino review will provide you with a great insight into all you need to know regarding this unique casino site.

MrPlay casino welcome offer provides you with a deposit match-up of 100% up to $200. On top of that will be added 20 free spins right away as well as twice 40 free spins the two following days. We wish you good luck!

The benefits of casino bonuses

Online bonuses are one of the major assets of online casinos to get more registrations. The reason why people focus on these offers when choosing a gaming platform is that they have several advantages. Therefore, the offers are not an alternative to trapping players, but on the contrary, are a gain for the players.

As said before, the benefits differ for each type of bonus. For example, welcome bonuses at online casinos give players the opportunity to try out the game features without spending any money. Other offers allow players to multiply their bankroll. Although casino bonuses have many advantages, it is important to note that they have some limitations. In this table, you will find a summary of the pros and cons of the best bonus casino.


  • Bigger bankroll to start
  • Opportunity to try new strategies
  • Bigger chances of winning more
  • Access to multiple games


  • Wager to respect

Get a casino bonus in a few clicks

Usually, players sign up for online gaming platforms to win money. That said, the best way to quickly achieve this goal is to take advantage of the bonuses that online casinos offer. There are a variety of best casino bonuses that you can use to win more at online casinos. To make sure you get the most out of these bonuses, there are some steps you need to follow.

Register on the platform

Registering is probably the first step you need to take to get your casino bonus. It is also possible to get bonuses at this stage, as online casinos also offer sign-up bonuses. To register, visit your casino’s website.

Read the bonus rules

The next step is to check the bonus rules of your online gaming establishment. This will tell you how much you need to wager to unlock your bonus. The amount differs from one casino to another, so you should consider the terms and conditions of each operator.

Making deposits

To take advantage of casino bonuses, it is also important to make deposits. As mentioned in the previous step, you should read the rules to find out more about the minimum deposit amount. This will allow you to make the right deposit to get your casino bonus deposit.

Real Money Betting

This step is also very important because it gives you the opportunity to start withdrawing your winnings. This is also a prerequisite since, without it, some casinos will not allow you to make withdrawals. You should also read the rules to find out the minimum wagering requirements for withdrawal.

Start withdrawing your bonus

Once you have completed all the above steps, all that is left is for you to withdraw your bonus. Since you have already fulfilled all the requirements of your operator, you can withdraw your winnings more easily.

It is important to remember that the process of obtaining certain bonuses may vary slightly. For example, to get a loyalty bonus, you need to show more interest in your operator.

Focus on the different bonuses offered by the casinos

The plurality of online casinos means that there are many different types of offers in the industry. To stay ahead of the competition, the establishments offer very interesting bonuses. There are many types of bonuses that you can find at online casinos. These include:

  • No deposit bonuses,
  • Free bonuses,
  • Loyalty bonus,
  • Welcome bonuses,
  • Cashback bonuses,
  • Referral bonuses,
  • Exclusive bonuses.

In order not to confuse each type of bonus, it is important to know the scope of each one.

No Deposit Casino Bonus

The no-deposit bonus is one of the first offers you can get at online casinos. This is directly credited to your account right after you register. This bonus attracts a lot of players because it does not require a deposit. However, if you want to withdraw your winnings after using it, you must make a deposit. That said, it is important to read the terms and conditions of the operator to effectively take advantage of this bonus.

Free Bonus

Free bonuses are also available at online casinos. Still called free spins, these are used on slot machines. Free spins allow you to participate in slot games and make enough money. Some casinos offer this type of bonus as a welcome bonus. Others offer them as a deposit bonus. You can also get them for free by performing certain tasks on the platform.

Loyalty Bonuses

Many online casinos run a loyalty program to reward the most active players. That said, every time you play on the platform, you earn points. Thus, you join the casino’s VIP club to enjoy the benefits that result from it. In addition to the loyalty bonuses that you can get through this program, it is also possible to enjoy other benefits. Access to this circle allows you to get birthday gifts, cash-back bonuses, etc.

Welcome Bonus

The first bonus available at online casinos, the welcome bonus is one of the offers that attract players. This one is mainly given to newly registered players. Therefore, it is still called the “sign-up bonus”. Very often, the best online casino welcome bonus is offered as a percentage applied to your deposit amount. You can find casino bonus offers of 200% for example on most platforms. Some welcome bonuses also add free spins to this bonus. Almost all online gaming platforms offer this type of bonus.

Cashback Bonus

This allows players to get a portion of their wager back. The offer varies depending on how often you play: the refund percentage is high when you play more. This type of bonus is very rare on the market and is conditional on getting it.

Casino referral bonus

The referral bonus is also appreciated by the players. Here, casinos give fans the opportunity to refer another player to win a bonus. The offer can be a percentage, a raffle ticket, free spins, etc.

Exclusive bonus

The other biggest bonus you can find at online casinos is the exclusive bonus. This is a very popular offer for enthusiasts, and it allows them to enjoy many benefits. With an exclusive bonus, you can get both a deposit bonus, free spins, etc.

No-wager bonus

Although online casinos are looking for a return on their investment, there are some bonuses that have no strings attached. This is usually referred to as a no-wager bonus. This is an offer with no wagering requirements. However, you can withdraw all your winnings without any requirements.

How To Calculate Your Online Casino Bonus?

When you wish to benefit from a casino bonus offer, you will often see a percentage and a maximum amount. Let’s read in detail what it means and how to calculate your bonus amount.

Match Rate and Max Bonus Amount

When you select a bonus offer on a deposit, you will see it as a percentage most of the time. It means that the bonus amount will be 100% of the amount of your initial deposit. The percentage amount depends on the offer and the casino. It can go as low as 5% up to a maximum of 300% on special occasions.

Additionally, online casinos always set a maximum bonus amount that also depends on the offer and the casino site.

Welcome Bonus Example: 300% up to $2,000

Let’s read some concrete examples of how to calculate the amount of your online casino bonus. Let’s take this common welcome offer as an example: 100% up to $500.

If you deposit $10, you will receive 100% of the amount of your deposit in a bonus amount. It means you will receive $10 in bonus money. You will then play with $20 in total.

Whether you deposit $500 or above, the maximum bonus amount you can get is $500. It means that you will play with your deposit amount, in this case, $500 or above, plus $500 in bonus money.

Online casino bonuses: what are the conditions?

When you register at online casinos, unless it’s a wager-free casino, there are some wagering requirements you will have to meet before making a withdrawal request. Let’s see in detail how this works.

Wagering Requirements

There are several bonuses at online casinos. However, it should be remembered that access to these offers is not always easy. To get these bonuses, you must consider certain rules and conditions. That is why you should first consider the conditions for obtaining them before you go hunting for the bonus.

Each online casino promotion has its own rules that you must follow. If you choose an operator, take the trouble to check the eligibility requirements. Some online casinos may allow a certain amount of wagering to withdraw the bonus. Others, however, may require a minimum amount of wagering. Be aware of the terms and conditions so you don’t lose your bonuses unnecessarily.


Whether you play with free spins or with a match-up bonus offer, keep in mind that you do have some restrictions.

With free spins, for example, the casino site decides on which slot you will play, as well as the value of the free spins offered. But do not worry, renowned online casinos will offer those free spins on the best online casino games only. Therefore, you will enjoy your time playing one of your favorite games.


There are a few things to keep in mind while making a withdrawal request when playing with a casino bonus.

First, if you play with a no-deposit bonus, there will be wagering requirements as well as a maximum cashout amount that depends on the casino site.

Second, if you play with a match-up bonus, you will have to complete all the wagering requirements in order to make a withdrawal request. Though in this case there is no maximum withdrawal amount.

Things to know when Playing with Online Casino Bonuses?

Whether you are a beginner or experimented online casino player, you must be aware of these crucial aspects when playing with casino bonuses. Let’s read them in detail.

Bonus Codes

A bonus code is a code you need to type in when depositing in order to claim your bonus offer. Please note that not every casino site uses the bonus code system, as well as not every offer requires a bonus code to claim it. To know if a promotion requires a bonus code to activate your bonus, you may find this information in the T&Cs of the offer. Whether it is not said, you might contact the customer support team to ensure this.

Time Window

Whenever you benefit from a casino bonus offer, there will be some conditions to follow, such as the validity period.

From one casino site to another, this time frame might change. Although, most of the time this time frame does not exceed 14 days.

The validity period starts from the second your deposit as well as your bonus offer have been approved and added to your player’s account. From that moment, you will have a specific time frame to play your bonus before it expires.

Payment Methods

One extremely important thing to consider before registering at an online casino is that certain deposit methods do not grant you the right to claim the welcome offer. This only depends on the casino’s T&Cs. In some cases, if your first deposit is made with cryptocurrency, Skrill, or even Bank Transfer.

Where to find the best online casino bonuses?

Are you ready to register and play online casino but want to get the best online casino bonus to play with before doing so? Then you’re in the right section.

Bonuses on live dealer casinos

If you are a live dealer games fan, you will love Live casino promotional offers. Whether it is a welcome bonus package or recurrent weekly promotional offers, you will be pleased to claim the best match-up bonuses to play them on your favorite live dealer games at the best live dealer casinos.

Bonuses on free online casinos

Bonuses can be claimed upon deposit, but some are also available upon registration or login. You can find great free bonuses at the best free online casinos on the internet. It can allow you to try out a casino without losing any money as well as having a chance to win some cash.

Bonuses on new online casinos

Unique bonuses and promotional offers are found at the best new online casinos. These new casino sites need to stand out from old ones and the area in which they excel is with their bonuses. They will usually offer you a considerable match-up bonus and extra free spins.

Bonuses on mobile online casinos

We spend some time on our mobile devices every day, playing online casinos. When we play, we obviously expect to have so fun, so we claim promotional offers to do so. The best mobile bonus offers are doubtlessly found at the best mobile online casinos.

Bonuses on online crypto casinos

With the emergence of crypto online casinos, a new generation of online casinos was born. At the best online crypto casinos, you will not only find crypto games but also unique crypto bonuses. These bonus offers are targeted at crypto depositors only, therefore they are convenient for crypto lovers only.

Bonuses on online slot casinos

If you love playing casino slots, then you will find Heaven at the best online slot casinos. On those casino sites, you will find all kinds of deposit bonuses, non-deposit bonuses, free spins, and themed promotions on all your favorite slots! We highly recommend you have a look at them.

Frequently Asked Question – Online Casino Bonuses

Can You Cashout The Bonus Money?

No, bonus money cannot be cashed out. You can either play it to complete the wagering requirements, or you can delete it. Once you completed the wagering requirements, the bonus money will transform itself into real money. Then, you will be allowed to make your cash out request.

Which Online Casino Has The Best Deposit Bonus?

Finding the casino with the best deposit bonus depends on your preferences. There are tons of different types of deposit bonus offers. This said, we recommend you have a look at our section above called “where to find the best online casino bonuses” in order to find out which one is for you.

Can You Make Money With Online Casino Bonuses?

Evidently, your casino winnings will depend on your luck. However, a great way to increase your odds of winning is to claim all the bonus offers you can. Why? Because bonus money will allow you to play for a longer time, therefore will give you more time to hit a jackpot.

What Does Rollover Or Wagering Requirement Mean?

Rollover requirements, more commonly called wagering requirements, are some bonus-related restrictions you will need to meet before being able to make a cash out request. We highly recommend you inform yourself about the wagering requirements of a casino before signing up as some casino sites are setting them too high.

Other Reviews You Should Check On MySer-Gambling.com

  • Mustapha

    Mustapha, former journalist turned content writer, expertly combines his writing prowess and gambling passion at MySer-Gambling.com. With keen insights and engaging storytelling, Mustapha delivers captivating content, elevating the online gambling experience for our readers.