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The online casinos that pay the most

If you are looking for the most generous online casinos in terms of payouts, this introduction will guide you to the platforms that offer the greatest chances of winning substantial rewards.
Edited on 2/08/23 by Arielle Cr
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How is the profitability of an online casino calculated?

The profitability of an online casino is assessed through financial indicators such as the Return to Player (RTP) rate, revenue, net profits, and operational expenses. The RTP rate is a crucial factor in this evaluation, representing the percentage of wagers returned to players as winnings. High profitability is generally characterized by a high RTP rate, positive net profits, and well-managed operational expenses.

When choosing to play on an online slot machine, several factors should be taken into account. Consult our detailed reviews of French online casinos to find the most reliable slot machines offering significant jackpots. Make sure to check other players’ reviews to get an idea of the actual experience and ease of withdrawals. Additionally, inquire about the available withdrawal methods to ensure you can withdraw your winnings conveniently and securely. Trust our expertise in finding the best online slot machines that offer a reliable gaming experience and easy withdrawal options.

Discover in this presentation the carefully selected criteria by Madness Bonus to establish its ranking of casinos that offer the most generous payouts, providing you with a reliable and objective reference in choosing your online casino.

What criteria does Madness Bonus consider for ranking the highest-paying casinos?

Madness Bonus establishes its ranking of online casinos with the most advantageous payouts through a rigorous methodology. This methodology relies on essential criteria, such as the Return to Player (RTP) rate, ensuring lucrative opportunities. Additionally, the casino’s impeccable reputation and reliability are taken into account, along with the variety and exceptional quality of games, offering an immersive experience. Secure and fast payment options are also evaluated to guarantee complete peace of mind. Madness Bonus considers attractive bonuses and promotions to maximize potential gains. Lastly, player testimonials and feedback provide valuable insights, enabling an informed selection of the most rewarding online casinos.

The Most Profitable Casinos

We will showcase an exclusive selection of online gaming establishments distinguished by their ability to offer exceptional winning opportunities. These casinos have been carefully evaluated based on several key criteria, such as their Return to Player (RTP) rate, strong reputation, and reliability, as well as the diversity and quality of their game libraries. Additionally, they provide secure and fast payment options, attractive promotions, and positive feedback from satisfied players.


Icon Madnix

Madnix is a reputable online casino that was launched recently in 2019 by The Luck Factory B.V. This casino has two major advantages that will surely captivate you: a weekly withdrawal limit set at 5,000€, providing great flexibility, and the opportunity to enjoy three attractive weekly bonuses.

With a carefully curated selection of 21 game software providers, Madnix stands out by offering a high-quality game library instead of overwhelming players with an excessive number of choices. By focusing solely on the most talented slot machine creators, Madnix ensures an exceptional gaming experience. Among the featured developers, you will find giants such as Play’n GO, Pragmatic Play, Isoftbet, Push Gaming, Relax Gaming, Elk Studios, Yggdrasil, and Booongo, to name just a few.

Register on Madnix

Wild Sultan

Icon Wild Sultan
Wild Sultan

Nine years ago, in 2014, Wild Sultan came into existence, offering players an unparalleled online casino experience. Owned by Blackrock Entertainment, this platform is regulated by the renowned Curaçao gaming license, ensuring reliability and security. It is no surprise that Wild Sultan is highly appreciated by the Madness Bonus community.

Considered by many as one of the best casinos in the French-speaking market, if not the best, Wild Sultan continues to shine. With an impressive selection of 26 game providers, its game library comprises approximately 2,400 slot machines, offering an unmatched variety. But that’s not all: Wild Sultan goes even further by providing captivating table games and a live casino experience, notably featuring Evolution (formerly Evolution Gaming), granting access to a comprehensive and thrilling game library.

To top it all off, Wild Sultan welcomes you with a generous welcome bonus, offering an incredible 100% up to 500€, accompanied by 20 free spins. But that’s not the only thing that sets this exceptional online casino apart. Wild Sultan is also renowned for its fast payments. Once your documents are validated and depending on your bank, you can even receive your winnings in less than 24 hours, making Wild Sultan one of the most responsive fiat gambling sites on the market.

Register on Wild Sultan


icon winoui

Winoui, a trustworthy casino established in 2018 by The Luck Factory B.V., is an essential choice for online gaming enthusiasts. This casino boasts two major advantages that will undoubtedly captivate you. Firstly, it offers four exciting promotions every week, providing constant opportunities to enjoy additional benefits. Moreover, with an impressive collection of over 1,900 slot machines, Winoui guarantees an unparalleled gaming experience.

When you sign up at Winoui, you also receive a generous welcome bonus, providing you with a substantial advantage with an incredible 100% deposit bonus up to 500€. Additionally, you can easily make deposits with Cashlib, making your transactions hassle-free. Furthermore, the monthly withdrawal limit of 10,000€ gives you the freedom to fully enjoy your winnings.

With a selection of more than 20 renowned providers, Winoui offers exceptional game diversity to its players. You can immerse yourself in a world of limitless entertainment, with varied and captivating titles.

Register on WinOui

Cresus Casino

Icon Cresus casino

Cresus, a renowned online casino, was launched in 2014 by CNCL B.V., offering players an exceptional gaming experience. This casino stands out with two major advantages that will charm you from the moment you start playing. Firstly, Cresus offers non-sticky bonuses, which means you can enjoy the benefits offered by the bonuses without being bound by restrictive wagering conditions. Additionally, with its split screen functionality, you can play simultaneously on up to four slot machines, multiplying your gaming pleasure.

But the advantages of Cresus don’t stop there. The casino also offers regular high-quality promotions, including free spins, deposit bonuses, and many other surprises. With an impressive variety of game providers, including Evolution Gaming’s blackjack, roulette, and poker tables, Cresus offers a diverse and exciting selection to satisfy all tastes. Furthermore, its live chat support is available 7 days a week, providing you with instant assistance whenever you need it.

Cresus positions itself as one of the best online casinos in terms of game variety. You can enjoy the most popular slot machines as well as the top live casino games from Evolution Gaming. By signing up at Cresus, you benefit from an exceptional welcome bonus of 200% up to 500€ (with no wagering requirement) + 500 free spins on Pragmatic Play’s Big Bass Splash, for a minimum deposit of 50 euros.

Register on Cresus


Icon lucky8

Lucky8, a renowned casino, was launched in 2017 by Kalimela Limited, attracting players from around the world. This casino stands out with three major highlights that will undoubtedly charm you. Firstly, it offers a generous welcome bonus, giving you an excellent head start. Moreover, Lucky8 provides numerous regular offers and promotions, ensuring an exciting and rewarding gaming experience. Lastly, this casino distinguishes itself by quickly integrating new slot machines, allowing you to enjoy the latest games immediately.

Lucky8 prioritizes quality over quantity when it comes to game providers. The most famous developers and their successful games are present, such as Play’n GO, Relax Gaming, Quickspin, Booongo, Yggdrasil, Gamomat, Pragmatic Play, and Push Gaming, to name just a few. This way, you can enjoy a carefully curated selection of captivating slot machines.

The casino is also committed to offering attractive bonuses to retain its clientele. Whether you are a new player or a loyal customer, you can take advantage of free spins and an exclusive welcome bonus package:

Discovery Bonus: Deposit 20 euros and play with 50 euros on the online casino, offering you an opportunity to explore the games freely. Adventure Bonus: Deposit up to 200 euros and receive a 100% deposit bonus, providing you with a real gaming adventure.

Register on Lucky8

Millionz Casino

icon millionz casino

Millionz Casino, a gambling platform that emerged in early 2022, quickly became a reference in the industry. Owned by Altacore N.V., this casino is regulated by the Curaçao gaming license, ensuring reliability and security. With an impressive list of over 75 game providers, Millionz Casino offers a vast and diverse game library to its players. You will find the presence of the most renowned providers in the industry, guaranteeing a high-quality gaming experience.

When you sign up at Millionz Casino, you can enjoy an attractive welcome offer: a 100% bonus up to 500€ with no wagering requirements, which means you can directly enjoy your winnings. Additionally, you will also receive 50 free spins. Over a period of 5 days, you will receive 10 free spins each day on the game “Hotel Yeti Way” from the famous provider Play’n Go.

Register on Millionz


icon casinozer

Casinozer, an online casino that recently appeared in 2021, offers an unparalleled gaming experience. This casino stands out with two major advantages that set it apart from its competitors: incredible welcome bonuses specially designed to satisfy even the most demanding players and a vast selection of games, including live casino games.

One of Casinozer’s strong points lies in its exceptional welcome bonuses. Whether you are a casual player or a high roller, this casino has thought of everything. You will be welcomed with generous offers, including a welcome bonus for the casino and the live casino. Moreover, high-budget players can take advantage of a special bonus, also valid for both the casino and the live casino, offering a unique opportunity to receive up to 1500€ in bonus.

The diversity of games is another appealing aspect of Casinozer. With a varied selection of renowned providers such as Booongo, Netent, Pragmatic Play, Play’n GO, Push Gaming, Yggdrasil, Relax Gaming, Quickspin, Thunderkick, and ELK Studios, you will have access to a wide range of captivating and exciting slot machines. Additionally, Casinozer also offers live casino games, allowing you to enjoy the immersive atmosphere of a real casino from the comfort of your home.

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Arielle Cr
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Rédactrice web dynamique, je jongle avec les mots pour vous fournir des contenus sérieux, mais jamais ennuyeux. Mon but ultime est de transformer les mots en véritables récits captivants, en utilisant une clarté exceptionnelle, afin de vous séduire pleinement.

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