Best Online Casinos in 2025
- Author: Jake Volkman
- Last update: 21.04.2025
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Affiliate disclosure
Affiliate disclosure
Citeulike is a self-governing website that offers comparisons of various online casinos. It includes affiliate links, which could result in us receiving a commission if you decide to accept any of the offers we list. Our expert team focuses on identifying top-notch bonuses and safe casino options for your gaming experience. We meticulously evaluate each bonus prior to incorporating it into our site.
If you're looking for the best online casino in 2025, you’re in the right place. We built this guide to help you find safe, trusted platforms that actually pay out - and make the experience fun. From welcome bonuses to game variety, payment methods, and support quality, we’ve reviewed it all. So, let's see more about online casino sites and what they have to offer.
Top Online Casinos in April 2025
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20Bet
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Megapari
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22Bet
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FatPirate
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Casinolab
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Immerion
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Gransino
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Ybets
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Gamblezen
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Comparison of the Best Online Casinos
To help you make the best choice, here’s an online casinos list to show some comparison.
Casino | Welcome Bonus | RTP | Rating |
20Bet | 100% up to €120 + 120 Free Spins | 96.47% | 5/5 |
Megapari | 100% up to 150€ + 150 FS | 98.45% | 5/5 |
22Bet | Deposit bonus up to 300€ | 96.35% | 5/5 |
Fat Pirate | 100% up to 500€ + 200 FS | 95.50% | 4.9/5 |
Casinolab | 100% up to 500€ + 200 FS | 96.00% | 4.9/5 |
Immerion | 500% bonus and 400 Free Spins | 96.50% | 4.9/5 |
Gransino | 100% up to 500 € + 200 FS | 95.90% | 4.8/5 |
Ybets | 200% bonus + 100 FS on the next deposit | 97.00% | 4.8/5 |
Gamblezen | 500% bonus + 350 FS | 96.82% | 4.8/5 |
How We Test Online Casinos
We don’t just list any site - we test them first. Our goal is to make sure every online casino we recommend is safe, fair, and worth your time. To do that, we follow a strict review process that covers everything from security to customer experience.
License and Security: We check if the casino is licensed by a trusted authority like the MGA, UKGC, or Curacao. We also ensure the site uses computer SSL encryption and safe data-handling practices to protect your personal and financial information.
Variety of Games: We test the game selection to make sure there’s something for everyone - slots, table games, live dealer games, and more. A top casino should offer both popular titles and new releases from leading software providers like Big Time Gaming.
Payment Methods: We check the range of deposit and withdrawal options available. Whether you use credit cards, e-wallets, crypto, or bank transfers, we make sure the casino supports reliable and flexible payment choices.
Fast Payouts: We ensure the casino pays out winnings quickly and without hidden delays. We actually try real withdrawals to see how fast the process is, and we highlight casinos that pay out within 24–48 hours.
Bonuses and Promotions: We review the welcome bonus, reload offers, and any loyalty rewards. We don’t just look at the numbers - we check the terms, like wagering requirements, to make sure the offers are fair and realistic.
Customer Support: We test support channels like live chat and email to see how fast and helpful they are. A good casino should have 24/7 support and friendly agents who actually solve problems.
Reputation and Reviews: We research what real players are saying. We look into review platforms, forums, and complaints to spot any red flags. Casinos with a solid track record and happy customers rank higher on our list.
Responsible Gambling Measures: We check if the casino offers tools to help players stay in control, like deposit limits, self-exclusion, and access to support services. We only recommend casinos that take player well-being seriously.
Best Online Casinos by Category
Category | Casino |
🏆Best Online Casino | 20Bet |
🎰Best for Slots | Megapari |
⚽Best for Sports Betting | 22Bet |
💵Best Deposit Bonuses | FatPirate |
🫶Best Customer Support | Casinolab |
Top 5 Online Casinos in 2025 - Our Comparison
Choosing the best online casino can be tricky with so many options out there. Below, we have top 5 recommended online casinos, based on trust, game selection, bonuses, and payout speed.
20Bet - Our Top Choice

20Bet Casino, owned by TechSolutions Group N.V. and launched in 2020, is one of the most trusted platforms for real-money gaming. It offers 9,000+ games, including slots, poker, baccarat, and live casino tables. The payout percentage sits at a solid 96.47%, and you can expect withdrawals within 1–3 days. With over 80 software providers and a mobile-friendly design, it’s a great pick for both casual and experienced players. Multilingual support and a wide choice of payment options round off the experience.
Feature | Details |
Welcome Bonus | Up to €120 + 120 Free Spins |
Number of Games | 9,000+ |
Licence | Curacao |
Software Providers | 80+ including Amatic, Ainsworth, 1x2 Gaming |
Currencies Accepted | EUR, USD, BTC, and more |
Popular Deposit Methods | Visa, Mastercard, Skrill, Neteller, Paysafecard and more |
Minimum Deposit | €10 with fiat, €1 with crypto |
- Wide selection of games, including sports betting
- Fast withdrawals (often processed within hours for e-wallets)
- Mobile-friendly design without the need for an app
- Huge number of supported payment methods, including crypto
- Wagering requirements on bonuses can be a bit steep
- Customer support response time could be improved during peak hours

Chief Editor
I’ve tested hundreds of casinos, and 20Bet keeps standing out. With fast payouts, tons of games, and smooth mobile play, it’s a solid all-rounder I keep coming back to.
Megapari - Best Online Casino for Slots

Megapari Casino has been around since 2019 and is owned by Vdsoft & Script Development SRL. It’s known for its massive slot library and smooth gameplay across all devices. With over 20,000 games - including live dealer tables, scratchcards, and bingo - it’s a go-to spot for variety. Fast payouts (1–2 days), a high RTP of 98.45%, and support in 20+ languages make it a great pick for slot fans looking for solid wins and fast withdrawals.
Feature | Details |
Welcome Bonus | 100% up to 150€ + 150 FS |
Number of Games | 20,000+ |
Licence | Anjouan |
Software Providers | Big Time Gaming, Playson, Edorphina and more |
Currencies Accepted | EUR, USD, PHP and more |
Popular Deposit Methods | Visa, Mastercard, Jeton, Skrill, Crypto, and more |
Minimum Deposit | €1 |
- Offers over 20,000 games from hundreds of providers
- Massive sportsbook with niche betting markets
- Accepts over 25 cryptocurrencies
- Great live dealer section with high betting limits
- Website design can feel cluttered and overwhelming
- Not licensed by major authorities (operates under Anjouan license)

Chief Editor
If you’re a slots fan, Megapari is where it’s at. Thousands of games, great RTP, and some of the fastest cashouts I’ve seen - it’s tough to beat.
22Bet - Best Online Casino with Sports Betting

22Bet Casino has been in the game since 2018 and is run by TechSolutions Group N.V. It's a hybrid platform that blends a solid online casino with one of the most comprehensive sports betting sections with great odds. With over 2,500 casino games and quick 1–2 day payouts, it’s great for players who want both slots and sportsbook action in one place. It also supports tons of devices - from Android to Blackberry - and offers support in 20+ languages.
Feature | Details |
Welcome Bonus | Bonus up to 300€ |
Number of Games | 1,100+ |
Licence | Curacao |
Software Providers | Spinomenal, Pragmatic Play, Slotmatrix, Booming and more |
Currencies Accepted | EUR, USD, CHF and more |
Popular Deposit Methods | Visa, Mastercard, E-wallets, Crypto and more |
Minimum Deposit | €1 |
- Very fast account setup and verification
- Huge sports betting section with live betting
- Great coverage of global eSports
- Regular promotions and cashback offers
- Limited game filters – hard to search by game features
- Bonuses are mostly sports-focused, not great for pure casino fans

Chief Editor
If you like switching between roulette and football bets, 22Bet has you covered. It’s smooth, fast, and perfect for players who want it all in one spot.
Fat Pirate - Online Casino with the Best Deposit Bonuses

Fat Pirate Casino, launched in 2024, already has quite impressive deposit bonuses and a wide range of supported games. With options like live games, sportsbook, and live betting, this casino offers plenty of ways to play and win. They accept popular cryptocurrencies, including Bitcoin and Dogecoin, and offer flexible deposit limits from €10 to €5,000. With a Costa Rica license and multiple language options, it’s a solid choice for international players.
Feature | Details |
Welcome Bonus | 100% up to 500€ + 200 FS |
Number of Games | 2,500+ |
Licence | Costa Rica |
Software Providers | Netent, Playson, Felix Gaming, Thunderkick and more |
Currencies Accepted | USD, EUR, BTC, LTC and more |
Popular Deposit Methods | Mastercard, MiFinity, Crypto and more |
Minimum Deposit | €10 |
- Fun and playful pirate-themed design
- Generous welcome bonus with free spins
- Weekly reload and cashback offers
- User-friendly layout and fast game loading on both computer and mobile phone
- Still a relatively new brand – not as established or reviewed
- Smaller selection of games compared to big brands

Chief Editor
Fat Pirate brings one of the most exciting bonus offers in the industry, especially for those who like to deposit big! It’s a new site but packs a punch in terms of variety and flexibility.
Casinolab - Online Casino with the Best Customer Support

This one is a new online casino launched in 2024, and it's already famous. With over 1,500 games to choose from and a generous cashback system for VIP members, it’s a great option for both casino and sports betting fans. Licensed by Costa Rica, this casino offers personalized support that ensures a smooth gaming experience. With high withdrawal limits and up to 25% cashback for live casino players, it stands out as a top choice for those who value quality service.
Feature | Details |
Welcome Bonus | 100% up to €500 + 200 free spins |
Number of Games | 1,500+ |
Licence | Costa Rica |
Software Providers | Microgaming, Yggdrasil, Ezugi, Wazdan and more |
Currencies Accepted | EUR, USD, PLN, BTC and more |
Popular Deposit Methods | Mastercard, MiFinity, Bitcoin, Litecoin, Tether and more |
Minimum Deposit | €10 |
- Generous first deposit bonus and lots of ongoing promotions
- Flexible limits for high roller players
- Excellent mobile experience
- Strong collection of slots and live casino games
- Limited ongoing promotions after the welcome offer
- Few cryptocurrency options

Chief Editor
What I liked about Casinolab is that even after the welcome offer, you keep getting plenty of other bonuses. Basically, you’re always coming out ahead!
Pros and Cons of Online Casinos
Online casinos can be a fun and convenient way to enjoy your favorite games, but they’re not perfect. We put together a quick breakdown of the pros and cons so you know what to expect before signing up.
- Play anytime, anywhere, with no time limits.
- Huge variety of games - slots, tables, live dealers, crash games, high roller games.
- Generous welcome offers and promotions.
- Fast and flexible payment options.
- Lower betting limits than land-based casinos.
- Play in multiple currencies, including crypto.
- Try games for free in demo mode before spending real money.
- Risk of unlicensed or shady casinos.
- No face-to-face interaction or casino atmosphere.
- Withdrawal limits and tricky wagering requirements.
- Easy to overplay and lose track of time.
Are Online Casinos Legal?
Online casino laws vary around the world, and understanding the regulations in your area is essential before playing. In most regions, online casinos are legal in some form, but the specifics depend on local regulations. In many cases, gambling regulations are managed at the state or national level, so what’s allowed in one place might not be legal in another.
For instance, while playing real money casino games is permitted in many parts of Europe, there are still strict regulations governing operators to ensure fairness and protect players. In countries such as the UK and Malta, players can legally enjoy online casinos operated by licensed and trustworthy providers.
In contrast, some countries impose tighter restrictions, and online gambling may be entirely prohibited. However, many people in these regions may still travel to other areas or use virtual private networks (VPNs) to access online casinos.
It’s important to remember that most gambling laws are aimed at regulating operators rather than players. While it’s unlikely that you’ll face legal trouble just for gambling online, it’s your responsibility to stay informed about the laws in your country or state.
If you're unsure about the legality of online casinos in your area, be sure to check local regulations and consult with reliable sources to ensure you’re playing safely and legally.
Top Online Casino Games for Regular Players and High Rollers
If you want to play real money online casino games, the variety of titles is one of the main attractions. No matter if you’re a fan of video slots or enjoy the strategy of table games, there’s something for everyone. Here’s a quick look at the top casino games you’ll find on best casinos online:
Slots: Slots are the most popular and easiest games to play. They come in many styles, from classic 3-reel to modern video slots with exciting bonus features and big jackpots.
Poker: Poker is a game of cards that blends strategic thinking, calculated moves, and a touch of chance. Well-known versions like Texas Hold'em and Omaha challenge players to either form the strongest hand or outsmart opponents through bluffing.
Roulette: In roulette, new players bet on where the ball will land on a spinning wheel. It’s a game of chance, with several betting options to suit all kinds of players. The most popular one is European Roulette.
Blackjack: Blackjack is a timeless card game in which the goal is to get a hand value as close to 21 as possible - without going over - and still outscore the dealer. It’s a mix of luck and strategy, and there are lots of options for high rollers like Blackjack Supreme, Blackjack VIP, and others.
Live Games: Live dealer games let you play traditional table games like blackjack, poker, or roulette with a real human dealer. The live dealer tables are streamed in HD, and players can talk to the dealer or other players.
Other Games: Top rated online casinos offer many other real money games, such as baccarat, craps, and keno. There are all sorts of table games for high rollers, and all sorts of computer casino games like crash and fishing titles.
Online Casino Bonuses - Welcome Bonus and Deposit Bonuses
Bonuses are a big reason why players choose one online casino over another. They give you extra value, boost your bankroll, and let you try more casino games with less risk. Here are the most common types of bonuses you’ll find:
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Welcome Bonus: It's is a special offer for new players when they sign up and make their first deposit. For example, you might get a 100% match up to €500 plus 100 free spins on selected slots.
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Free Spins: Free spins let you play slot games without using real money money, and you keep any winnings (sometimes with conditions). For example, a casino might offer 50 free spins just for signing up or making a deposit.
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Deposit Match: This bonus gives you extra money based on how much you deposit, usually as a percentage. For example, if you deposit €100 with a 100% match, you'll get another €100 to play with.
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Cashback: Cashback returns a portion of your losses over a set period - daily, weekly, or monthly. For instance, a casino might offer 10% cashback on all net losses every Friday on Blackjack or other table games.
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Loyalty Bonus: Loyalty bonuses reward regular players through VIP programs or point systems. For example, each €1 wagered might earn points that you can exchange for bonus cash or exclusive gifts.
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Special Offers: These are time-limited promotions like reload bonuses, no-deposit bonuses, tournaments, or holiday deals. For example, during the weekend, a casino might give a 50% reload bonus up to €200 for existing players on Baccarat games.

Chief Editor
Bonuses can seriously boost your playtime, especially when you’re just getting started. I always look for casinos that offer fair terms and real value, not just flashy numbers. A good bonus should feel like a boost, not a trap.
Online Casino Payment Methods
A good online casino should offer fast, secure, and flexible payment methods. It's also important for a casino to have reasonable minimum and maximum deposit limits, as well as withdrawal limits. Anyhow, below is a quick comparison of the most popular methods used by players around the world:
Payment Method | Limits | Deposit Speed | Withdrawal Speed |
Visa | €10 – €5,000 | Instant | 1–3 business days |
Mastercard | €10 – €5,000 | Instant | 1–3 business days |
PayPal | €10 – €10,000 | Instant | Within 24 hours |
Skrill | €10 – €10,000 | Instant | Within 24 hours |
Neteller | €10 – €10,000 | Instant | Within 24 hours |
Bank Transfer | €50 – €100,000 | 1–3 business days | 2–5 business days |
Apple Pay | €10 – €3,000 | Instant | Not available |
Google Pay | €10 – €3,000 | Instant | Not available |
Cryptocurrencies | €1 – no limits | Instant | Instant |
Popular Types of Online Casinos
Online casinos come in many forms, and each type offers something different. For example, one casino could excel in table games like European Roulette or live casino games like Baccarat. On the other hand, some casinos are focusing on high roller gambling. Here are the most popular ones:
Sweepstakes Casinos: These casinos let you play casino-style games using virtual currency, often with the chance to win real cash prizes through sweepstakes. They're great for players in regions where real money casinos are restricted.
New Online Casinos: New casinos launch regularly, offering modern designs, fresh game collections, and big welcome bonuses. We check these carefully to find the best up-and-coming platforms.
Mobile Casinos: Mobile casinos are built for smartphones and tablets, giving you full access to slots, tables, and even live games while on the move. Top mobile casinos work smoothly through browsers or dedicated apps.
Fast Payout Casinos: Good online casinos focus on speed, offering quick or even same-day withdrawals. They're ideal if you want fast access to your winnings without delays.
Best Payout Casinos: The biggest online casinos in this category offer real money games with high return-to-player (RTP) percentages. They’re a smart pick if you’re looking to improve your long-term chances of winning.
VIP Casinos: VIP casinos reward loyal players with points, perks, and exclusive promotions. Some offer multi-tiered programs with real-world rewards like luxury gifts and travel packages.
Avoid These Casinos
When choosing an online casino, it's just as important to know which ones to avoid. Here are some key warning signs that can help you steer clear of problematic casinos:
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Unlicensed Casinos: Never play in casinos that aren't licensed by a recognized regulatory authority. These unregulated sites don't offer any legal protection, and they always have shady software developers.
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Lots of Payment Issues: If a casino frequently delays payouts or makes it difficult to withdraw your winnings, consider it a red flag. You should only play at casinos known for fast and reliable payment processes.
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False Marketing and Advertising: Beware of casinos with promotions that seem too good to be true. If they don't honor their offers or provide misleading information, it's a sign to walk away.
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Bad Customer Support: Reliable customer support is essential. Avoid casinos that don't provide easy access to help or lack 24/7 support to resolve any issues quickly.

Chief Editor
It’s easy to get caught up in flashy promotions, but trust me, it’s crucial to do your homework. If a casino has any of these red flags - unlicensed, slow payouts, or poor support - don’t take the risk. Always choose a site that’s transparent and trustworthy.
Responsible Gambling
While online casinos can be a fun way to pass the time, it's important to play responsibly. Gambling should never be seen as a way to make money or escape from life’s pressures. If you or someone you know is struggling to control their gambling habits, there are plenty of organizations that offer support and resources that you can benefit from.
Gamblers Anonymous: Offers confidential support for those struggling with gambling addiction.
National Council on Problem Gambling: Provides a national helpline and resources for individuals facing gambling issues.
Gambling Therapy: A global service offering support and advice for those affected by gambling addiction.
Conclusion
In case you ever wondered what are the best online casinos, now you have it. Finding the right online casino site can really level up your gaming experience, especially if it features good software developers. By keeping the tips in mind, you can pick a safe, exciting site and get started with confidence. So, take a look around, play casino games responsibly and win big prizes.
Sources
- "Gambling Commission - Regulation of Online Casinos". gamblingcommission.gov.uk. Retrieved on 17.04.2024
- "Malta Gaming Authority". mga.org.mt. Retrieved on 17.04.2024
- "The Curaçao Gaming Control Board". gamingcontrolcuracao.org. Retrieved on 17.04.2024
- "Responsible Gambling Council". responsiblegambling.org. Retrieved on 17.04.2024
- "European Gaming and Betting Association". egba.eu. Retrieved on 17.04.2024
FAQ
Playing online casino games is legal in many countries, but laws vary by region. Always check your local laws to ensure you're playing legally and under the rules.
The legal age for online gambling is typically 18 or 21, depending on your location. Check your country's regulations for exact details.
Online casinos are regulated by various authorities, such as the UK Gambling Commission, Malta Gaming Authority, and Gibraltar Regulatory Authority, ensuring fairness and security.
A good online casino is licensed, offers fair games, has reliable payment methods, and provides excellent customer support.
Most online casinos offer a wide range of games, including table games (like blackjack), real time games, and slot machines.
Yes, many online casinos offer free versions of their games, allowing you to play without wagering real money.
Tax requirements vary by country. In some regions, casino winnings are taxed, so check your local tax laws to ensure compliance.