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21 Casino Review

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Blackjack players know that 21 is more than just a lucky number. It’s the unbeatable perfect score. It takes some audacity to use the number as the name of an online gambling site, but that’s just what the operators of 21 Casino have done.

Does the reality match the swagger? That’s what our reviewers set out to discover as they conducted a rigorous, hands-on 21 Casino review. Our team of expert gamblers subjected 21 Casino to our unique 10-factor assessment, covering everything from game selection to the friendliness of the help desk. This is done to all the online casinos from the UK we cover and test.

Note that this review refers to 21 Casino, which can be found online at, not the similarly named 21 casino, whose online address is

Read on for the results.

User Experience
Bonuses & Freeplay Availability
Software & Game Developers
Language & Country Support
RNG Proof for Available Games
Casino Licence
History & Founding Year
Customer Support & Support Channels
Payment & Withdrawal Policies

User Experience 9/10

We found no major issues that need to be addressed while browsing and gambling on this casino. The blue and gold layout is effective at projecting a high-end but accessible style. Customer support personnel are helpful and polite.

Bonuses & FreePlay Availability 9/10

21 Casino’s bonus offers are so generous they’re almost worth creating an account even if you do most of your gambling at another site. You might find yourself switching to 21 Casino, however, because its loyalty system rewards your commitment to the casino on an ongoing basis.

The terms of using the bonus funds awarded by 21 Casino promotions are a bit strict, but are not a deal breaker.

Software & Game Developers 10/10

All major software developers are represented in the vast game pool the casino hosts. You can even sort games by developer, which is a handy feature if you have a preference or if there is a certain company you wish to avoid.

Language & Country Support 8/10

You can browse the site in English, German and the Nordic languages. Site software prevents log-ins from locales where online gambling is not legal.

RNG Proof for Available Games 8/10

While the 21 Casino website lists the return-to-player percentages for all games,  it does not provide details to assess whether the random number generators used by games are regulated. Since the games come from the industry’s largest and best-known software developers, we have high confidence that verified random number generators are in use. This information should be listed at the casino website, however.

Casino Licence 10/10

21 Casino is recognised by the Gambling Commission of the UK, the Swedish Gambling Authority, and the Malta Gaming Authority. Licence numbers are listed prominently on the website. These licences are sufficient for worldwide use of the site wherever online gambling is legal.

History & Founding Year 8/10

Founded in 2015, the casino is relatively new. It offers a full slate of modern games, however, and works as well as sites with much longer pedigrees.

Customer Support & Support Channels 9/10

21 Casino live chat operators will help you with answers to simple questions. If your concern is more complex, you can take advantage of customer support via email. No telephone number is listed.

Security 10/10

Like most money-handling organisations, 21 Casino is understandably vague about the internal security measures it has enacted. The company uses an implementation of the SSL protocol for all communications with customers and banks, so you can be assured that sensitive data is being encrypted on an end-to-end basis. 21 Casino is silent about whether customer data is stored and used internally in plain-text or encrypted form.

Payment & Withdrawal Policies 10/10

This list of payment and withdrawal methods at 21 Casino is among the longest we have ever encountered, including not just credit and debit cards, but a variety of additional options. You will surely find a payment plan that suits you. As a break with online-gambling tradition, 21 Casino imposes no maximums on withdrawals or deposits.

21 Casino Review

Something for Everyone

Founded in 2015, 21 Casino is currently managed by the Malta-based White Hat Gaming Company, which ensures that the site delivers customers a top-of-the-line gambling experience. Lots of games, a wide variety of payment options, and generous bonus offers make 21 Casino appealing for beginners and experienced gamblers alike.

Bonus Funds for Loyal Customers

21Casino offers a 121% match for the first deposit made for amounts up to 300€. If you deposit 100€ you’ll have 100€ in your regular account and 121€ in your bonus-funds account. This is the casino’s generous way of saying Welcome to new players.

The bonus has strings attached. In order to take part in this promotion you will need to deposit the site minimum amount of 10€. Of you withdraw any funds from your account while the bonus funds are active, the bonus funds will be revoked. This will also happen if you make a bet larger than 5€ with the awarded funds..

The funds awarded from 21 Casino free offers must be rolled over 35 times before they can be transfered to your regular cash balance. not all games contribute to this process equally. Funds spent with most slots games count 100%, with some exceptions. For example, only 20% of the money wagered on 300 Shields count toward the wagering amount, while bets placed on Arcade Bomb, Extra Chilly, and Gemix do not count at all. Scratchcards and Keno games contribute fully to the wagering amount, table games contribute 10%, and video poker games contribute 5%. Jackpot and other games do not contribute. These restrictions, detailed on the site’s “Standard Promotional Terms & Conditions” page, apply to all 21 Casino bonus offers unless stated otherwise.

The casino has established a special promotion for “weekend warriors.” In order to help you ease the “comedown from the weekend”, as the site says, the first deposit you make on a Monday or Tuesday will be increased by 21% in bonus funds up to a maximum of 210€. The site’s usual terms and conditions apply.

Weekend players have a chance to obtain up to 50 free spins by depositing funds on Friday, Saturday, or Sunday. Your first deposit of 20€ or more will earn you 10 bonus spins, and when you pass the 50€ and 100€ marks you will be granted 25 and 50 bonus spins. The spins can be used on the following slots games: Starburst, Stickers, Fruit Shop, Lights, and Aloha Cluster Pays.

The casino’s loyalty system awards points to gamblers for every 10€  wagered – including bonus funds. Different games award a different number of points: 10€ on slots and scratch-cards yield two loyalty points, while gambling the same amount on video poker or bingo gives you a single loyalty point. You need to bet 20€ on blackjack or take four spins on the roulette wheel to earn a single point. The points can be redeemed for bonus funds, with 200 points being worth 1€.

A Selection to Please Even the Most Particular

The casino offers nearly 700 slots games and plenty of versions of table games, including blackjack, roulette, and different flavors of poker. The casino features slots favorites like Starburst, Bonanza, and Gonzo’s Quest alongside licenced titles like Guns n’ Roses, Jurassic World, and Anchorman. Unfortunately, there are no demo options at this casino, so you can’t try out games on 21 Casino with no deposit.

Live betting options match the selections from the most exclusive premium sites. 21 Casino offers several variants of blackjack, poker, baccarat, and roulette, with each game featuring a live-stream of a human dealer in real time.

The games are divided into categories for ease of access: Table Games, Slots, Jackpot Slots, Live Dealers, and Other Games. The Other Games section is reserved for video poker, bingo, fun & scratch, and virtual betting games. The games can be sorted by software providers, and the list is comprehensive: NetEnt, Amaya, Leander, NYX, Quickspin, Thunderkick, and Genesis just to name a few. 21 Casino also offers the fun, instructive feature of turning on the return-to-player percentage indicator for each game which is always a mark of fair gambling sites.

Look & Feel

This site looks classy and a bit old-fashioned, decked out in black with gold trim. Here and there you’ll find details that hint at the luxurious atmosphere of a real casino. As far as functionality and flow of navigation among the site’s game rooms, we encountered nothing but smooth sailing. Each button does what it says on its label and does so without any delay.

You can play each game in full-screen resolution for a fully immersive experience. If gambling on the go is your cup of tea, log in with your phone or tablet. You’ll find the games work well on mobile devices. However, there is no dedicated 21 Casino mobile app available. This is not a huge disadvantage, as browser play is fully supported.

Registering an Account

The straightforward registration process requires you to provide standard information: name, address, town, postal code, date of birth, and phone number. You may be asked to verify your age and address so you can withdraw funds. The site is available in English, German, Swedish, Norwegian and Finnish. People from a huge list of countries can register accounts. Some countries are restricted from the 21 Casino login, however, including the United States, Australia, and other countries where online gambling is illegal.

Customer support is available around the clock via live chat. Operators are diligent, professional, and friendly. Our queries regarding banking options were answered swiftly and correctly. You can get in touch with customer support agents by clicking on a button on the bottom right corner of the Casino 21 screen. Customer support technicians can also be reached via email, but there is no phone number listed.


We couldn’t find any third-party tests on the fairness of the random number generators governing game outcome at the time of our writing our 21 Casino review. You will have to be content with the fact that the casino is licenced by the United Kingdom Gambling Commission, which by default means that the casino is fair and tested.

The return-to-player percentage for each game can be accessed easily. RTP roughly signifies how much money the player can expect to win back. In simple terms, if you bet 100€ on a game with an RTP of 90%, you can expect to get 90€ back in winnings, on average.

Banking Options

You can use the following methods when exchanging funds with 21 Casino: PayPal, Visa, MasterCard, Paysafecard, Skrill, Neteller, Trustly, Entropay, Maestro, and SEPA bank transfer.

The minimum deposit and withdrawal the player can make is 10€, while no maximum is listed. You choose your prefered currency while registering your account. The choices are: CAD, EUR, GBP, NOK, NZD, SEK and ZAR.

Licence and Security features

The site is licenced by the UK Gambling Commission for players logging on to 21 Casino from the UK, the Swedish Gambling Authority for Swedish players, and the Malta Gaming Authority for customers from other countries. 21 Casino is silent about whether customer data is stored and used internally in plain-text or encrypted form.


Our team’s subjective impressions were hugely positive while conducting research and testing for this 21 Casino review. The game selection is plentiful and the banking options are ample. The site’s loyalty system rewards devoted players and the promotional offers provide them with opportunities to get more than their money’s worth. So if you’re looking for a straightforward, stable gambling experience in a luxurious and calm environment, look no further than 21 Casino.

Key Features

Vast game selection
Rewarding loyalty program
Elegant site layout
Plenty of banking options
Licenced by the UKGC

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