21 Casino Review


  • Games & Software
  • Deposits & Withdrawals
  • Customer support
  • Mobile & Tablet
  • Total score


You can enjoy a huge range of slots and casino games at 21 Casino, including an excellent selection of mobile slots in the 21 Casino mobile casino.

Our Review of 21 Casino

21 Casino offers UK slot players an excellent online casino experience with a huge range of online slots, casino games and live dealer games by a variety of the best producers in the industry. A smart looking site with a bold contemporary design, you can play on a range of devices, including Apple iPhone, iPad and Android phones. All games are Instant Play so you get great flexibility as to how and where you play. The slots cover all types of game style, themes and special features, so UK slot players will always find plenty of high quality gaming options at 21 Casino.


21 Casino was set up in 2015 and is operated by White Hat Gaming, a unique operator that both runs online casinos itself as well as providing games platforms for other operators. 21 Casino is licensed to operate by the Malta Gaming Authority and is regulated by the UK Gambling Commission, while RapidSSL encryption is used to protect your personal and financial information. You can therefore be assured of a safe and secure online casino experience.

Style and Feel of Site

21 Casino manages to combine elements from more traditional online casino design with a very contemporary feel, and the design and UI look good no matter what size screen you play on. In the top menu, there are tabs for Casino Games, Table Games and Promo Page. A side menu on the Home Page enables you to search and sort slots and casino games using a range of different categories, including Promo Games, Table Games, Slots, Jackpot Slots, Live Dealers and Other Games. There is an additional sort function that enables you to search for slots by release date, popularity, alphabetically, by provider or by RTP.

VIP Offering

Regular players at 21 Casino can join the Loyalty Royalty programme, where you receive points every time you play. You can ultimately redeem your points for casino credits, and the more points you earn, the greater the number of credits you can then play with.

Mobile & Tablet Review of 21 Casino

JustSlots says:

You can play at 21 Casino on any type of mobile device directly in your browser, as all slots are HTML5 games and there is no casino app to download and install. This means you can play on Android smartphones and tablets, Apple iPhone and iPad, as well as phones on Windows and Blackberry operating systems. The 21 Casino mobile casino is very well designed and has a smart, slick style with very good search and sort functions that make it easy both to find your favourite titles and to explore new games. The mobile slots are by a range of developers, so you get great choice and variety, and you can play video themed slots, progressive jackpot slots as well as live dealer games. Overall, this ranks as one of the best UK mobile casinos that we feature here.

Games & Software available at 21 Casino

There are more than 700 online slots and casino games to choose from at 21 Casino by a range of leading developers, all of which can be played in Instant Play in the browser of any device with no casino software to download. You can also check out many games as free slots when you opt for demo mode (once you’ve signed up for an account). The slots at 21 Casino are by NetEnt, Microgaming, 1×2 Gaming, 2 by 2 Games, Adoptit Publishing, Bally, Barcrest, BetDigital, Big Time Gaming, Bla Bla Studios, Blueprint Gaming, Cayetano, Concept Gaming, DTech Gaming, ELK Studios, Evolution Gaming, Fantasma Games, Felt Games, Foxium, Fuga Gaming, Games Warehouse, Inspired Gaming, Just For The Win, Leander Games, Lightning Box, Magic Dreams, Merkur, Meta Games Universal, Multicommerce, Mutuel, NYX Games, Old Skool Studios, Pera Fiction Gaming, Play’n GO, Probability Jones, Quickspin, Rabcat, Realistic Games, Red 7, Red Tiger Gaming, Reflex Gaming, Scientific Games, Seven Deuce, Shufflemaster, Sigma Gaming, SpielDev, Spike Games, Storm Gaming, Thunderkick, Touchstone Gaming, Triple Edge Studios, Wild Streak, WMS and Yoloplay.

This means you get the choice of online slots by the biggest producers as well as new and emerging names, and so the variety of game styles and special features is one of the best of the sites that we feature here. You can play new release games, old school 3 reel slots, the most popular video slots, as well as themed video slots based on the biggest names from music, TV and film such as Anchorman, Battlestar Galactica, Bridesmaids, Game of Thrones, Hitman, Jimi Hendrix, Jurassic Park, Jurassic World, Motorhead, Planet of the Apes and Psycho. 21 Casino also features the biggest progressive jackpot slots from across a range of different networks, including NetEnt and Microgaming. The titles include Mega Moolah, Mega Fortune, Winstar, Hall of Gods, Major Millions, Treasure Nile and Cosmic Fortune. The live dealer games at 21 Casino are by Evolution Gaming and NetEnt and include table and card games, table poker, and other games like Dream Catcher, Football Studio and Dragon Tiger.

Deposits & Withdrawals at 21 Casino

UK slot players can operate their accounts at 21 Casino in GBP and there are several payment methods available. These include Visa debit, MasterCard debit (including MasterCard Maestro), Trustly, PaySafe Card, Skrill, Neteller and direct bank transfer.

There are no fees for using any of these payment methods, and there is a minimum withdrawal amount of £10. Deposits are instantly credited to your account, while withdrawals are subject to a processing period which can take up to 72 hours to complete (during which time your request can be reversed). Funds are then released on the next working day, although if you are using direct bank transfer or withdrawing to a debit card, there will be additional bank processing time after this.

Help & Support at 21 Casino

Customer support is available at 21 Casino 24 hours a day, 7 days a week via live chat. You can also get in touch using email.

[email protected]

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