Duel is an online crypto casino that accepts Bitcoin, Ethereum, Litecoin, Dogecoin, and other popular digital currencies. It’s home to thousands of slots and live casino games, as well as a packed sportsbook. Duel also features Duel Originals: unique games with 100% RTP/0% house edge.
But is Duel legit, and is it worth your time?
In my Duel casino review, I’ll explain everything you need to know about the site to decide whether it’s right for you. Read on to learn about the rakeback system, game selection, and much more.
Trying to choose between Duel and the biggest name in crypto gambling? See our full Duel vs Stake comparison for a side-by-side breakdown.
Duel Casino Review: Quick Look
| Pros | Cons |
|---|---|
| Duel Originals games offer a 0% house edge for unparalleled return potential | No traditional welcome bonus for new players |
| Rakeback system can instantly return up to 50% of funds | Access is restricted in some regions |
| Varied game selection and sports betting, covering all gambling tastes | Limited responsible gambling tools |
Rating: 8.5
What is Duel?
Duel is a crypto casino launched in July 2025 by Immortal Snail LLC and Monarch, a well-known figure in the iGaming world. At the time of Duel’s inception, Monarch had racked up almost a decade’s worth of experience operating CSGOEmpire — the largest CS skin casino online. But they decided to explore a new opportunity, driven by a passion to innovate.
In Duel’s ‘Who Duel?’ section, Monarch explains that they launched the site to provide players with a fairer and more transparent experience than they’re used to at other online casinos.
Duel promises to deliver “fair gambling” in its “purest form”, and a key part of that involves minimizing the house edge. As seasoned players know, a low house edge equates to a high return to player (RTP) rate.
Monarch states that Duel’s team has an “obsessive goal to build games with 100% RTP.” At present, the range of games with a 100% RTP rate is small, but it’s incredible to see any at all. I’ll come back to RTP and why it matters next in my Duel casino review.
Like any reliable online casino, Duel holds a license from a regulatory authority. In this case, the license is courtesy of the Government of the Autonomous Island of Anjouan, Union of Comoros. Duel complies with all of the required regulations and is legally permitted to deliver gambling services online.
What is the Max RTP on Slots at Duel?
One of the most important factors to consider before you play games at any online casino is RTP. And one of Duel’s biggest highlights is its commitment to the highest RTPs.
Whether you’re new to online gambling or just want a refresher, let’s take a moment to explore what RTP is and why it matters. The average RTP for an online slot game is 96%: that equates to a $96.00 return for every $100 wagered.
But that’s not quite as simple as it seems. The 96% is only theoretical, and it’s based on millions of simulated spins undertaken by the game’s provider. The RTP represents the expected return across a long period, which far exceeds the average player’s gaming session.
Let’s say you play Gates of Olympus 1000, which has an RTP of 96.50%. If you spend $10.00 on the game, you’re not guaranteed to receive $9.65 back. You may make a decent profit, or you could lose it all. But you’re unlikely to receive the theoretical amount back each time (if ever).
RTP and House Edge Explained
RTP also ties into a game’s house edge. In a slot with a 96% theoretical RTP, the house edge is 4%: the casino claims $4.00 for each $100 bet on the game. The rest of it could be returned to you, assuming you win repeatedly.
The lower the RTP, the higher the house edge, and the more a casino stands to profit from each player. Over time, your losses can add up, creating substantial income for the casino operator.
However, you can play games with an RTP of up to 100% at the Duel crypto casino. These titles include Duel Blackjack, Duel Crash, Duel Keno, and others across different genres.
As the house edge is 0%, you have a more balanced chance of winning each time you play. But many of Duel’s non-exclusive games still have a house edge of 3% or higher. Keep that in mind when choosing what to play.
What is Duel’s Rakeback System?
Like any online casino, Duel is NOT perfect. But its rakeback system is definitely one of the site’s major strengths and helps it stand out in a massively competitive market.
Covering the rakeback system is one of the most exciting parts of writing my Duel.com review. In online poker rooms, “rake” refers to the commission that operators claim from the pot in each hand. The rake can be as high as 10% in some cases, which takes a sizable bite out of the winners’ payouts.
But a rakeback system helps to redress the balance. Rakeback is a loyalty-building incentive that operators use: they offer a return on the generated rake, represented as a percentage. Rakeback payments may occur every week or month, depending on the site.
At the Duel crypto casino, you can expect to receive up to 50% of the “rake” (in this case, the house edge) instantly. For example, if you bet $20.00 on a slot during a standard play session, you’ll get $0.40 in return on top of any wins you achieve.
And if you play a slot with a 98% RTP? The rakeback system would credit you with $0.10 for each $20 wagered.
Part of the rakeback’s beauty is that it’s the same whether you win or lose. And it’s added to your account instantly in real time, so you won’t need to wait days or even weeks to see it in your balance.
Visit Duel casino today to try the rakeback system for yourself.
What are Duel Originals?
Duel Originals are unique games created for the Duel crypto casino, so they’re unavailable elsewhere. The Duel Originals lineup is on the small side at the time of writing my Duel.com review, but it’s nicely diverse.
When I played at Duel, several Duel Originals games were available:
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Dice
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Blackjack
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Plinko
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Crash
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Mines
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Beef
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Keno
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Castle Roulette
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Groomer’s Van
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Rock Paper Scissors
My personal favorite was Blackjack: it’s a simple game with a user-friendly interface. But Beef and Crash are even more straightforward, with the former playing like Frogger.
Your aim in Beef is to help a cow cross a busy road, and your winnings increase with each lane the cow reaches safely. To win, you need to cash out before the cow gets to an unsafe lane.
But the most important point of the Duel Originals lineup is the 100% RTP/0% house edge. You can expect an even 50-50 chance to win on each round or hand (depending on your chosen game).
At the time of writing this Duel casino review, the Duel Originals are the only titles available on the site with a 0% house edge. Try the zero-edge Duel Originals games for yourself today.
What Games Can You Play at Duel?
The Duel crypto casino includes thousands of games across multiple categories:
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Duel Originals
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Slots
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Live Casino
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Game Shows
As you browse the lobby, you’ll see titles from many of the biggest software companies in the iGaming industry. The list includes:
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Pragmatic Play
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Hacksaw Gaming
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Big Time Gaming
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NetEnt
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BGaming
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Play’n GO
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Relax Gaming
Helpfully, the Duel crypto casino allows you to filter games by provider. As a result, you can jump straight to your favorite company’s range to save time.
Slots
The slot selection features plenty of themes: Western, Egyptian, Norse, classic, horror, and more. Most slots incorporate bonus rounds of one type or another, such as free spins or pick-and-click games. Always check the features available, the RTP, and the volatility before you start playing.
Live Casino
Most classic casino fare, from roulette to craps, is available at Duel. Pragmatic Play and Evolution supply the software, so expect smooth performance and glossy studios.
The live casino range offers enough variety to satisfy different tastes. Here’s just a small selection:
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Casino Hold ‘Em
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Dragon Tiger
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Lightning Roulette
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Gates of Olympus Roulette
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Super Sic Bo
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Speed Baccarat
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Caribbean Stud Poker
The RTP for live casino games can be high. Lightning Blackjack, for instance, has a 99.56% theoretical RTP.
Game Shows
The game shows at Duel include:
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Stock Market
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Dream Catcher
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Crazy Pachinko
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Dead or Alive Saloon
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Treasure Island
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Monopoly Big Baller
Each of these and other game shows offer a fast-paced live experience. They feature glamorous hosts and extravagant studios, and they can award large cash prizes. Dream Catcher, one of the most popular game shows, pays up to 20,000x your bet.
Sports Betting
Duel.com’s sportsbook section covers most major areas: soccer, basketball, cricket, table tennis, badminton, darts, and many more. But you can also wager on eSports, such as Counter-Strike, StarCraft, League of Legends, and Dota 2.
Duel’s sportsbook is easy to browse, with clear information on live and upcoming events. If you want to streamline the process, you can also activate the ‘Quick Bet’ feature on the Betslip to place wagers immediately.
Does Duel Casino Offer a Welcome Bonus?
Unlike most online casinos, Duel does not offer a welcome bonus. Duel explains its reasoning for omitting bonuses on its ‘Why Bonuses Suck’ page, and it’s worth reading if you’re considering trying the casino. But essentially, Duel’s team is taking a stand against the traditional bonus model, which it considers unfair to players.
What Cryptocurrencies Does Duel Support?
As I mentioned at the start of my Duel casino review, you can use various cryptocurrencies at Duel.com. The site supports 16 cryptos:
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Bitcoin (BTC)
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Tether (USDT)
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Litecoin (LTC)
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Ethereum (ETH)
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USD Coin (USDC)
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Dogecoin (DOGE)
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Tron (TRX)
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Solana (SOL)
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Avalanche (AVAX)
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Chainlink (LINK)
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Ripple (XRP)
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Hedera (HBAR)
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Bitcoin Cash (BCH)
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Binance Coin (BNB)
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Toncoin (TON)
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Cardano (ADA)
If you have a crypto wallet set up already, you can deposit funds once you open a Duel.com account. But even if you don’t have a wallet, you can still play at the Duel crypto casino.
How? It’s simple.
Duel allows you to buy crypto instantly using fiat payment methods, such as Skrill, Neteller, Visa, Mastercard, and Apple Pay. The fiat on-ramp is powered by Swapped, and it offers a convenient way for non-crypto users to try Duel’s games without setting up a wallet first.
However, you can only withdraw funds from Duel using cryptocurrencies. I’ll explain how the process works later in my Duel casino review.
What is Duel’s Signup Process?
Signing up with Duel is designed to be straightforward. Follow these steps to get started:
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Visit Duel.com
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Tap the blue ‘Register’ button in the top-right corner
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Create a unique username
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Enter your email address and password or use a Google login
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Confirm your account
During the registration process, most players won’t need to complete the Know Your Customer (KYC) step. As such, Duel makes signing up and playing games smoother than many other sites.
However, identity verification is still essential to maintain player safety and Duel’s security. Duel’s team will request that you verify your identity if it suspects that you may be operating multiple accounts, gambling below the legally permitted age, or breaking any of its rules.
Duel’s identity verification process involves supplying a copy of your passport or government-issued ID. You should also complete a full-face recognition step via SumSub. Your identity will be verified within 24 hours.
How Secure is Duel?
Duel uses Secure Sockets Layer (SSL) encryption to protect your personal data and transactions. All data on the site is scrambled to prevent unauthorized users, such as hackers, from viewing your sensitive information.
Another key security feature at the Duel crypto casino is the optional two-factor authentication (2FA). You can activate this at any time in your account settings/profile area.
With 2FA enabled, you will need to verify your identity in two ways to access your account. For example, you may be asked to submit a PIN code or scan your fingerprint alongside entering your Duel password.
Does Duel Encourage Responsible Gaming?
Yes, Duel promotes responsible gaming. Click on the ‘Responsible Gaming’ link in the footer to access a dedicated page packed with information and advice on safe gambling.
The RG page includes a list of questions to answer for self-assessing your gambling activities, as well as an explanation of the self-exclusion system. It also carries links to Gamblers Anonymous, Gambling Therapy, and GamCare. Additionally, the RG page shares tips on preventing underage gambling at home.
How Can I Make Deposits and Withdrawals at Duel?
If you decide to join the site after reading my Duel casino review, you’ll need to fund your account before you can play games. Depositing crypto into your account is a hassle-free process:
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Navigate to the ‘Deposit’ section of Duel
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Select your cryptocurrency from the list of options
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Copy the address provided
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Go to your wallet to complete the transfer of funds
Don’t have crypto coins in a digital wallet yet? Here’s how to buy crypto with fiat money:
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Tap the ‘Buy Crypto’ tab
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Pick your payment method
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Specify the amount of crypto you want to buy
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Complete the transaction at the Swapped page you’re directed to
Withdrawing funds from your Duel account is equally simple.
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Open the ‘Wallet’ area of your Duel account
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Tap the ‘Withdraw’ tab
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Choose your currency from the dropdown list
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Enter the amount you want to withdraw
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Input your wallet address and check that it’s correct
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Press the ‘Withdraw’ button to process the transaction
The minimum withdrawal is $1.00. However, there is no maximum deposit or withdrawal amount.
The Duel crypto casino aims to process withdrawals quickly: most take just three to five minutes on average. The withdrawal speed has been tested independently to confirm its reliability, and the lack of manual approval needed for most transactions boosts the site’s efficiency.
While Duel imposes no fees to deposits or withdrawals, blockchain network fees still apply. Fees can differ from one crypto to another and depend on network congestion, so always check that you can afford the costs before processing transactions.
What are Duel’s Leaderboards?
While writing this Duel.com review, the leaderboard competitions were the most surprising part of the site that I stumbled on. Duel runs two types of leaderboards, each with its own prize pool. At the time of writing, the prize pools were as follows:
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Daily – $100,000
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Monthly – $1,000,000
However, while the monthly prize pool is fixed, the daily payout can vary.
To take part in the leaderboard competitions, you need to play eligible games using funds in your account. Bets on certain slot, table, and Duel Originals games contribute to the competitions.
Each time you bet on an eligible game, you’ll receive points. As you accumulate points, you’ll climb the leaderboards. At the end of the competition periods, the top 100 players on the relevant leaderboard will share the prize pool.
However, the Duel crypto casino has stringent rules to maintain the safety, integrity, and fairness of the leaderboards. You must have a verified Duel account, be based in a permitted region, and make cash wagers (not using promo funds).
What is Duel’s Provably Fair Gaming System?
All of the Duel Originals games are Provably Fair. You can use Duel’s verification calculator to confirm that each round of any Duel Originals game is fair and random.
How does the Provably Fair system work? Before each round in a Duel Originals title starts, the game will generate the following elements:
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Server seed – a random number string delivered by Duel
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Client send – a random number string delivered by you
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Nonce – a number that grows with each bet you make
Before you wager on the game, Duel will send you the hex-encoded SHA-256 hash of its server seed. Duel does this to prove that it won’t change the outcome. All of the values will then be combined to create a random round result.
Once the game ends, Duel will reveal the server seed in its unhashed form to show that it matches the initial hash. You will also see the seeds combined to generate the result and to verify that not even Duel could manipulate the outcome.
If you want to use the Provably Fair calculation tool to confirm the fairness of any Duel Originals game, click on the ‘Provably Fair’ link in the footer followed by the ‘Verify’ tab.
The Provably Fair system helped build my trust in Duel while I explored the casino, and I expect many players will feel the same. As the calculation tool is convenient to use, you may want to verify the fairness of a game round often to make sure that the site works as it should.
What are the Pros and Cons of Duel?
While I was impressed while writing my Duel casino review, I discovered a few drawbacks too. And I need to share those with you to present an honest, ethical overview of Duel and the experience you can expect.
Pros
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The rakeback system can return up to 50% of bets instantly, which is a generous way to incentivize players and encourage loyalty. The rakeback may help you manage your bankroll.
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The Duel Originals line may be small, but its games have a 100% RTP/0% house edge. That creates a fair, balanced alternative to most casino games, which tend to have a house edge of at least 3% or 4%.
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Duel’s extensive game collection spans slots, virtual table games, live casino games, and live game shows. It features games created by some of the industry’s biggest brands, which ensures a high standard of performance, presentation, and features.
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Duel’s sportsbook section allows you to wager on soccer, basketball, rugby, cricket, tennis, and any number of other sports. While Duel’s main focus is casino games, the sportsbook opens the site up to a broader audience.
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The Duel crypto casino supports 16 cryptocurrencies, including Bitcoin, Litecoin, Dogecoin, and other popular options. The function to buy crypto with fiat money makes it quick and easy for beginners to get started.
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Duel’s minimum deposit and withdrawal limit is just $1.00. If you’re an experienced player, you’ll know that online casinos generally impose minimum deposits and withdrawals of $10.00 or $20.00.
Cons
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The lack of a traditional welcome bonus may frustrate you, especially if you’re a seasoned gambler partial to free spins or a deposit match. But at least Duel explains why there are no bonuses.
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Duel is a relatively new platform. Unlike casinos that have been online for years, Duel has had less time to establish a reputation and a loyal audience. You may find Duel more difficult to trust initially than older casinos, so take the time to explore the site in depth before you join.
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Duel offers a smaller set of responsible gambling tools than some other casinos. Providing a strong variety of tools is important to help players manage their betting. However, you can still set up a cooldown period for seven days or self-exclude yourself for at least six months.
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Access to Duel is restricted in several regions due to various laws and regulations. Players based in Germany, the USA, UAE, France, and several other countries cannot play at Duel.
Is Duel Legit?
Yes, Duel is a legit online casino. It holds a license from the Government of the Autonomous Island of Anjouan, Union of Comoros, and it has passed all necessary checks to legally operate as an online gambling website. Duel includes its license number in the footer, so you can check it if you want to set your mind at ease before you sign up.
Duel’s owner and operator, Immortal Snail LLC, promotes responsible gambling to help all players bet with care. The operator also uses SSL encryption to protect all data and transactions on Duel.com. The Provably Fair system lets you verify the outcome of each round in its Duel Originals games too.
Duel Casino Review: Final Verdict
After exploring Duel.com in detail, I’m generally impressed by the casino. Sure, it may not have the most eye-catching presentation I’ve ever seen, and it lacks a welcome bonus. But Duel has a user-friendly design and structure, which makes it easy to use across desktop and mobile.
The Duel crypto casino also makes up for the lack of a welcome bonus with its rakeback system. You can claim back up to 50% of your bets instantly, which may help to keep your balance stable.
Crucially, the Duel Originals line with a 0% house edge is one of the most exciting aspects of the casino. These exclusive games provide a more balanced betting experience than other games that have a higher house edge. The selection of games is strong overall, with hit slots and live titles from major brands.
And with 16 cryptocurrencies supported, Duel caters to a diverse audience of crypto users. You can sign up quickly without leaping through the usual KYC hoops, and the super-low minimum deposit means that you can keep your betting small if you want to.