Top Online Casino Bonuses to Claim in 2025

Online casino bonuses are given to both new and existing players. For you, as a player, these can be valuable as you can add to your bankroll, play longer, and try more games with less of your own money. They come in different forms, from welcome offers for new members to loyalty rewards for the regulars. 

Each of these casino bonus types also has its own set of rules that dictate how the bonus can be used and exactly how any winnings can be withdrawn. Knowing these rules, especially the bonus wagering requirements, is a must to getting the most out of any offer. This guide will break down the most common online casino bonuses, how to claim them and give you smart, actionable tips to help you make the most of them.

Choosing the right casino is just as important as choosing the best casino bonuses. Different casino brands specialize in different types of offers, from massive welcome bonus deals to low-wagering promotions. Below you'll find a comparison of some of the top online casinos for bonuses in 2025, followed by our personal reviews to help you make a solid decision.

The world of online casino bonuses is vast and varied, with operators creating all sorts of offers for all sorts of players. Knowing the differences between these promotions is a must to choosing the one that’s right for you and your bankroll. Below is a breakdown of the most common casino bonus types you’ll come across.

Welcome Bonus

This is the most common bonus, offered to new players only upon registration. It’s usually the biggest bonus a casino offers and comes in the form of a deposit match, where the casino matches a percentage of your first deposit with bonus funds (e.g. 100% up to $100). It may also include a bundle of bonus spins.

No Deposit Bonus

This is the holy grail of bonuses, awarded to players without them having to make a deposit. It’s usually a small amount of bonus funds or a small number of bonus spins, given for registering an account. It’s completely risk free to try out a casino.

Bonus or Free Spins

These are casino promotions that you receive with a set number of spins on a specific slot game or even a selection of slot games. They can form part of a welcome package, a no deposit bonus or a single promotion. Winnings from these spins are bonus funds.

Reload Bonus

This casino bonus is reserved for existing players and works just like a welcome deposit match does. When making a new deposit, the casino matches a percentage of your deposit with a bonus, eg, 50% up to $100. It’s a way for casinos to reward their loyal customers for playing on their site.

Cashback Bonus

A cashback offer gives you back a percentage of your net losses over a set period (e.g. a week or a month). For example, a casino might give you 10% cashback on all losses over a weekend. This is like an insurance that helps soften the blow of a losing streak.

Loyalty and VIP Bonuses

These are special rewards for a casino’s most loyal and high-rolling players. As you play and wager money, you often gain loyalty points which can be exchanged for bonuses or other perks. High-level players may be invited to a VIP program which gives them exclusive benefits like a dedicated account manager, faster withdrawals and bespoke bonuses.

One of the main things to know about online casino bonuses is the wagering requirement. This is also called a playthrough requirement. A wagering requirement is a rule the casino adds to a bonus. It means you have to bet a set amount of cash before you can take out any bonus money or the winnings from it, as cash. This is in the terms and conditions for every bonus.

In simple words, the wagering requirement is a multiplier like 30x or 40x. The casino uses this value with the bonus money. At times, they may use it with both your deposit and the bonus money.

Here is an example calculation. Let’s say you get a $50 bonus and there is a 30x wagering rule on the bonus only.

• To find out how much you need to bet, you take the bonus amount and multiply it by the wagering number. So, it is $50 (Bonus) x 30 (Wagering) = $1,500.
• This shows that you must bet $1,500 before the $50 bonus and all the money you win from it can go into your cash balance.

A big part of bonus wagering requirements is that not all games contribute equally to meeting the playthrough. Different game types have different contribution rates which are expressed as a percentage. This is because games with a lower house edge, like blackjack, offer a better chance of winning, so the casino limits their contribution.

Game Contribution Rates (Example):

Claiming and using an online casino bonus is easy. Follow this simple step-by-step guide and you’ll get your bonus right. 

1. Choose a Top Casino and Bonus: Pick a safe and licensed online casino that’s right for you and has your preferred bonus. Read reviews for different casinos and compare bonuses. Check the T&Cs for the bonus requirements, including the amount you need to play through and the minimum deposit amount. 
2. Create a New Account: After you’ve chosen the casino, open a new player account. You may have to input some of your personal details and complete verification at this stage. 
3. Opt-In or Enter Bonus Code: Some bonuses are credited automatically but many require an extra step to claim them. You may have to tick a box to opt-in to the promotion during the deposit process or you may have to enter a specific bonus code in a designated field. Always check the bonus terms to see if a code is required, because if you don’t enter it you’ll miss out on the offer. 
4. Make a Qualifying Deposit: Most online casino bonuses require a minimum deposit to be claimed. Go to the casino’s cashier or banking section and choose your payment method. Make sure your deposit is the minimum amount specified in the bonus terms (e.g. $10 or $20). Some casinos exclude certain payment methods like Skrill and Neteller from their bonus offers. 
5. Get and Use Your Bonus: Once your qualifying deposit is processed, the bonus funds or bonus spins will be credited to your account. You’ll see a separate bonus balance in your account dashboard. You can then start using your bonus to play the eligible games as specified in the terms and conditions. Make sure to check your progress towards the wagering requirement in your account section.

Online casino bonuses can help extend your gaming journey. You need to be smart about how you use them, as a good plan will allow you to turn your bonus money into real cash. Here are some tips to help you make the most out of your casino bonuses.

Choose Bonuses with Lower Wagering Requirements

 Always go for bonuses with the absolute lowest wagering requirements. 30x is much easier to meet than 50x which gives you a much better chance of being able to withdraw. This is often more important than the size of the bonus itself.

Play Games with 100% Contribution

To meet the wagering requirements as fast as possible, play games that contribute 100%. In most cases, this will be slot games. Playing games with low contribution rates like table games will make it much harder and longer to complete the wagering.

Read All the Bonus Terms

Before you claim any offer, take the time to read all the terms and conditions. Pay attention to details like maximum bet while the bonus is active, any win caps and bonus expiry date. Breaking one of these rules will result in your bonus being forfeited.

Combine Bonuses with Smart Bankroll Management

 A bonus should be seen as an extension of your entertainment budget, not as a guarantee of profit. Use your bonus funds wisely, bet sensibly and never chase your losses.

Keep Track of Bonus Expiry Dates

Almost all online casino bonuses have an expiry date. This can be 24 hours for bonus spins to 30 days for bonus funds. Make sure you know this timeframe and try to complete the wagering before the bonus expires.

Common Mistakes to Avoid:

• Not reading the terms and conditions.
• Claiming a bonus with wagering requirements that are too high to meet.
• Playing games with low or 0% contribution.
• Betting more than the maximum allowed bet size.
• Forgetting about the bonus expiry date and letting it expire.

When you visit an online casino you will find two ways to play the games: with real money or in “free play” or “demo” mode. It’s important to understand the difference as it also relates to the type of bonuses.

Real Money Casino Bonuses are the bonuses we’ve been talking about in this guide. These are bonuses used with real money play. When you use a real money bonus like a deposit match or bonus spins, you are playing the games for a chance to win real cash. However, these bonuses come with terms and conditions like wagering requirements that need to be met before any winnings can be withdrawn. They are for players who are willing to deposit and risk their own money for a chance to win real prizes.

Free Play Bonuses are not really “bonuses” in the same sense. “Free play” or “demo mode” is a feature that allows you to play a casino’s games using virtual, play-money credits. There’s no real money involved and therefore you can’t win any real money. This mode is for entertainment and practice only. It’s a great tool to learn the rules of a new game or try out a new slot to see if you like it before you decide to play for real.