Dimitri Dimitrov
by Dimitri Dimitrov Published on October 6, 2025
Last updated on July 6, 2026
IMMORTAL SNAIL LLC
Duel Casino Review
Anjouan Gaming Authority Licensed
Responsible Gambling Index: POOR
T&C Apply. 18+. Gamble responsibly.
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GC Verified: Independent Assessment

Every listed operator undergoes independent verification: Proof of Play (real-money testing with blockchain records), RTP verification, and licence authentication against official regulatory databases (MGA, UKGC, DGOJ, Curacao, and others).

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Casino verification methodology
◉ RGI Score

Responsible Gambling Index (RGI)

The RGI is our proprietary framework evaluating operators across 12 responsible gambling criteria including self-exclusion, deposit limits, reality checks, and cooling-off periods.

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RGI scoring methodology
18+ Only

Responsible Gambling

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Responsible gambling policy
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Casino commercial disclosure
Duel is a crypto-only online casino and sportsbook operated by Immortal Snail LLC, launched in July 2025 by Finnish poker player and CSGOEmpire founder Ossi 'Monarch' Ketola. It is built around provably fair in-house Originals, instant rakeback and fast cryptocurrency payouts, with a sportsbook sharing the same wallet. It is a separate brand from Duelbits.com.
Proof of Play — Gamblers Connect Hands-On Test
This casino is yet to be reviewed using our Proof of Play method
Our independent hands-on verification is pending for this operator.
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Licensing & Operator Transparency
Licensed Operator
Regulated by Anjouan Gaming Authority
✓ Licensed
OperatorImmortal Snail LLC
FairnessProvably fair algorithms
SSL EncryptionActive
🏳
Anjouan Gaming Authority
Since 2025
Verify →
Active (operator-displayed, pending independent verification)

Operated by Immortal Snail LLC, registered in Charlestown, Nevis, registration number L22982, under an Anjouan Gaming Authority licence (No. ALSI-202411026-FI1) displayed on the site. The Anjouan register is publicly searchable, so the number should be verified. Pending independent confirmation it is treated as operator-displayed rather than register-confirmed.

Responsible Gambling Index — Proprietary Gamblers Connect Score
Poor Concern Average Great Exceptional
2 / 12 criteria met  —  RGI Methodology →
Poor
Minimal responsible gambling protections
2/12
Responsible Gambling Policy
Access Account History
Reality Check
Self-Exclusion
Underage Gambling Prevention
Ethical & Responsible Marketing
Deposit Limits
Wagering Limits
Session Limits
Loss Limits
Self-Assessment
Budget Calculator

From a player-protection standpoint, Duel's responsible gambling provision is seriously deficient, evidencing only a responsible gambling policy and access to account history. As a no-KYC platform that rarely triggers verification, reserving it for withdrawals or cumulative amounts at or above EUR/USD 3,000, the operator collects no identification at registration or during play, so it cannot verify age or identity and has no effective way to keep out minors or self-excluded and at-risk players. With no reality check, no deposit, loss, session or wagering limits, no self-exclusion, no self-assessment and no budget calculator, vulnerable players have no tools to set boundaries or step away. The design prioritises frictionless play over player safety.

Payments & Banking — 16 or more (all cryptocurrency)+ Methods
Cryptocurrency
12 options
BitcoinEthereumBitcoin CashLitecoinTetherUSD CoinBNBTRONSolanaXRP+ 2 more
Deposits: Instant, about 2 minutes
Withdrawals: Instant, 1 to 2 minutes
Limits: No maximum
Min Deposit: About USD 10 equivalent (varies by coin)
Max Withdrawal: No maximum
KYC Required: KYC is not required by default. It may be requested before withdrawals and is mandatory for cumulative amounts at or above EUR/USD 3,000.
The Gaming Ecosystem
1000+ Online Slots Not disclosed Live Casino Not disclosed Table Games 12 Duel Originals
Online Slots

More than 1,000 curated third-party slots. Specific studios should be confirmed on site.

Live Casino

Live dealer games streamed in real time from providers including CardRoomz, alongside Pragmatic Play, Play'n GO and Evolution.

Table Games

A full spread of RNG table classics including Blackjack, Roulette, Baccarat and several poker variants, with multi-hand options for quicker play.

Exclusive
Duel Originals

Provably fair in-house Originals including Dice, Plinko, Crash, Mines, Keno, Video Poker and Rock Paper Scissors, plus titles such as Castle Roulette and Live Blackjack, and a slot in Groomer's Van. The headline release is Duel's own Blackjack, the now-famous and controversial Original that helped build the brand.

Sportsbook
Sportsbook
An integrated sportsbook sharing the same account and crypto wallet as the casino. It covers more than 50 sports, including soccer, basketball, tennis, MMA, boxing and cricket, plus a deep esports section covering Counter-Strike, Dota 2, League of Legends and Valorant, and racing on greyhounds, horses and harness. Pre-match and in-play betting are available, with well over 1,500 events live or upcoming, all staked in cryptocurrency.
52+ markets (more than 50 sports)
Sports Markets
6,000+
Monthly Events
49,000+ per year
Live Streams/yr

Customer Support

Live Chat✓ 24/7 — About 2 minutes response
Phone Support✗ Not Available
Chatbot Pre-Screen✓ None
Response Times (Tested)
Live ChatAbout 2 minutes
Languages Supported
English
Final Verdict

Overall, Duel’s game fairness and payout mechanics are verifiable and fast, but its regulatory standing and player protections are weak. The Anjouan licence can be verified, but it is an offshore, lightly regulated permit that gives players little protection or recourse. Identity and age checks are largely absent, and responsible gambling tools are minimal, so the platform favours speed and anonymity over safety. It is workable for crypto-experienced adults who accept those trade-offs, and unsuitable for anyone who relies on age, identity or spending safeguards.

Frequently Asked Questions6 Questions

Duel is operated by Immortal Snail LLC (Nevis) under an Anjouan Gaming Authority licence (No. ALSI-202411026-FI1) displayed on the site, with HTTPS and two-factor authentication, and provably fair games. It launched in July 2025.

Source:Licensing
Verified by Davor Cvetanovski
Last verified: 26th June 2026

Duel is licensed under an Anjouan Gaming Authority licence (No. ALSI-202411026-FI1); the number is shown on the site and can be checked on the public Anjouan register.

Duel is cryptocurrency only, with deposits from about USD 10 equivalent (varying by coin) and no fiat or card options.

Withdrawals are processed instantly (subject to blockchain confirmation, often under 30 minutes) from about USD 1, with small Duel-side fees. KYC is not required by default but may be requested before withdrawals and is mandatory for cumulative amounts at or above EUR/USD 3,000.

Duel accepts 16 or more cryptocurrencies, including Bitcoin, Ethereum, Litecoin, Tether, USDC, Solana, XRP and Dogecoin.

Duel offers more than 1,600 games, including over 1,000 slots, provably fair in-house Duel Originals, a live casino and a sportsbook, with a 50 percent instant rakeback.

Dimitri Dimitrov

Dimitri is an iGaming expert with nearly a decade of experience and a knack for crafting content that speaks directly to the iGaming crowd. He understands affiliate marketing, player psychology, and search algorithms, which enables him to write engaging, data-driven articles.