Bitcoin (24h)
Ethereum (24h)
XRP (24h)
Bitcoin Cash (24h)

21 Dukes Bonuses & Codes

Welcome Offer (T&Cs Apply)
750% + 110 Free Spins

Welcome Offer

The welcome bonus is split over 3 deposits. 25 free spins will be assigned on sign up.

Wager Requirement: 35x

18+. Full T&Cs apply. Please gamble responsibly.

Get Bonus

21 Dukes Review

Calling all Bitcoin kings and queens, 21Dukes is the casino for you! Established in 2008, 21Dukes is guaranteed to have Bitcoin gamblers feeling like true royalty with brilliant offerings and a selection which will reign supreme.

Bitcoin gamblers can enjoy the thrills and spills of 21Dukes with peace of mind as the casino uses a (TRNG) True Random Number Generator, which determines the outcome. This superior system, therefore, provides players with fair gaming.

21Dukes is available in a mobile version so the kings and queens of the realm can relish in a full gaming experience wherever they may be. The midnight theme at 21Dukes sets the scene for a lavish experience allowing easy legibility. Gamblers can also enjoy the bright colors and themes of the games against the luxurious background.

This Bitcoin casino has a wide variety of gaming options.  Players are therefore sure to find their sweet spot. Head over to the huge variety of Slots and Classic Slots for an out of this world line up of themes and choices. The Table games are also guaranteed to have Bitcoin players intrigued with old and new favorites.

21Dukes has also incorporated the real-time and action-packed Live Casino which has a mass of options that will definitely have players in bated breath. 21Dukes also has an offering of Video Poker and the latest addition of Races. These amazing casino games are guaranteed to have Bitcoin players coming back for more.

Step into the 21Dukes kingdom today to enjoy all the casino magic which gamblers have been searching for.

Unfortunately due to regulations players from Iraq, Chad, United Republic of Tanzania, Costa Rica, Bosnia, Ukraine, Latvia, Slovakia and a few more are unable to step into the royal world of 21Dukes. The full list of restricted territories can be found in the Terms section of the platform.

Bitcoin Games

21Dukes Casino has created a vivid flow with a luxurious feel. The sophisticated platform allows players to live out their wildest casino dreams within a safe and fair environment. The 21Dukes casino not only has an appealing outlay but the games and selections are simple and seamless. Even the more novice gamblers will easily navigate their way around the casino and options.

21Dukes has kept to the goal of providing effortless play and has therefore contracted only the best Gaming Software Providers, to provide Bitcoin gamblers with the experience which is so deserved. Betsoft, Octopus Gaming, Vivo Gaming, and Pragmatic Play have all received the royal sign off at 21Dukes, and are providing players with a noble gaming experience.

21Dukes has given players more than they bargained for with a mass of Slots and Classic Slots. Bitcoin Players can spin into favorites such as Great Rhino, Fruit Zen, True Sheriff, and Spinfinity Man.

If that hasn’t caught the player’s attention then this sure will, the Live Casino at 21Dukes has a variety of gaming options such as Princess Roulette and Blackjack VIP which is sure to have gamblers feeling the thrill of Real Time Gaming.

The casino also has a superior variety of Video Poker games namely Bonus Poker, Joker Poker, and many more. The likes of which will definitely have players feeling like gaming royalty.

21Dukes has also added an additional game to the overflowing casino which is the Races, this will provide players with hours of enjoyment along with great prizes and of course the thrill.


21Dukes has followed up a brilliant lineup of games with a generous array of promotions which will definitely suit all gaming preferences. Step into the royal treatment and enjoy promotions and bonuses which are suited to Bitcoin Kings and Queens.

  • Welcomes bonus – 750% bonus and 111 Cash free spins.
  • Crypto Bonus – 400% deposit bonus on the first three cryptocurrency deposits.
  • Cashback Loyalty – 15% cashback for loyalty.

21Dukes has covered all the promotion bases, offering everything a player could desire. Bitcoin gamblers can also enjoy an additional and unique cryptocurrency bonus. 21Dukes offers different promotions daily and this information can be found in the promotions section of the casino.

Deposit and Withdrawal

21Dukes has provided Bitcoin gamblers with the simplest and most advanced transactional methods. Players can deposit at 21Dukes using one of the following methods Skrill, Neteller, Bitcoin, Litecoin, ecoPayz, Visa, Mastercard, and EasyEFT.

The minimum deposit amount is $10 and no maximum deposit amount is listed at this time.

Launching into the withdrawals, 21Dukes processes withdrawals through ecoPayz, and players can withdraw a minimum amount of $50 and the maximum amount per week is $4000.

21Dukes is a revolutionary platform as it allows quick and effortless transactions through cryptocurrencies.

Security and Support

21Dukes has provided Bitcoin gamblers with an extensive FAQ as well as an impressive Terms section. Players can head over to these sections with queries however 21Dukes also provides responsive email support and 24/7LiveChat.

The protection and security of players and the data are of the utmost importance. 21Dukes utilizes SSL encryption to protect player’s data and transactions along with adhering to the PCI, Security Standard council. The 21Dukes casino also uses a TRNG (True Random Number Generator) which allows the platform to provide players with a fair gaming environment.


21Dukes is the royal experience that players have been waiting for. The generous promotions and vast array of gaming options allow players to enjoy every possible theme in a seamless and appealing flow. The games at 21Dukes allow Bitcoin gamers to dive into different realms all in a safe and secure environment. The platform is available in a mobile version and can, therefore, be enjoyed while on the move. 21Dukes does accept cryptocurrencies so Bitcoin gamblers will feel right at home. Sign up to 21Dukes today and savor the royal gaming experience.

Read More

Banking Methods


  • BTC
  • LTC
  • Visa
  • MasterCard
  • EcoPayz
  • Skrill
  • Neteller
  • Easy EFT


  • BTC
  • LTC
  • Visa
  • MasterCard
  • EcoPayz
  • Skrill
  • Neteller
  • Easy EFT

21 Dukes Features

Launch Date

April 2008

Registration Requirements

ID documents required


Blackjack, Live Casino, Jackpots, Roulette, Slots, Video Poker

Coins Accepted

btc, ltc

Provably Fair

21 Dukes does not offer any provably fair games

Crypto Faucet

21 Dukes does not have a crypto faucet

21 Dukes Screenshots

Similar Crypto Casinos

Rated Higher
Free Bet (T&Cs Apply)
200% Up To $200

Free Bet

min deposit

Wager Requirement: 10x

18+. Full T&Cs apply. Please gamble responsibly.

Get Bonus
Welcome Offer (T&Cs Apply)
750% + 110 Free Spins

Welcome Offer

The welcome bonus is split over 3 deposits. 25 free spins will be assigned on sign up.

Wager Requirement: 35x

18+. Full T&Cs apply. Please gamble responsibly.

Get Bonus
Rated Lower
Welcome Offer (T&Cs Apply)
25 Free Spins No Deposit
  • No Deposit

Welcome Offer

No deposit welcome bonus

Wager Requirement: 50x

18+. Full T&Cs apply. Please gamble responsibly.

Get Bonus

Latest From 21 Dukes

Bitcoin Hotshots 24 April 2020

April 23 2020 Hotshots

21 Dukes FAQ

What are the time frames for withdrawals at 21Duke casino?

21duke has multiple payment methods. For fiat currency, players can use Visa, Mastercard, EcoPayz amongst others.  These methods can take up to 5 days for the transaction to be processed.

Those transacting using Bitcoin and Litecoin, they can expect immediate withdrawals, with a maximum wait of about half an hour in some cases.

Is 21Duke a legit casino?

This is a well-established platform that has been in existence since 2008. They are a fully licensed outfit under the Curacao gambling body.

Should you wish to reach the team you are able to do so easily and there is also a FAQ section that can help to answer general queries.

Does 21Duke accept Bitcoin withdrawals?

Yes. Provided you have deposited using Bitcoin, you will be able to withdraw using the same.  This applies to all deposit methods used.

Last updated by Jen Van Lier on June 29, 2021

About the editor

As website manager, Jen contributes reviews and updates to The Bitcoin Strip on a daily basis. Jen worked in the casino industry for 9 years before focusing on Bitcoin in 2016. She writes on subjects ranging from traditional slots all the way through to unique Bitcoin games, provable fairness and Ethereum smart contract gambling.

21 Dukes Player Reviews uses cookies

To find out how we use cookies, please read our cookie policy or click accept to continue.

Bonus Feature: 1 Free Spin to Win Up To 1 BTC

Sign up for exclusive bonuses from TheBitcoinStrip

Over 18 only. Terms & Conditions apply.