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Duel review

4.0/5Updated 2026-08-02

Eleven in-house games badged 100% RTP, a wallet that names the network beside the address, and six public leaderboards including the losing ones.

Duel puts its entire product in four words across the top bar: Originals, Casino, Sports, High Scores. There is no promo carousel between the hero and the games, and the in-house grid starts immediately below the fold. For a category that usually opens on a stack of bonus banners, that restraint is the first thing worth noticing, and it is a reasonable summary of what the site is: a small, opinionated room that leads with its own games instead of with an offer.

Eleven tiles make up the originals grid — Dice, Blackjack, Plinko, Crash, Mines, Beef, Keno, Castle Roulette, Video Poker, Groomer’s Van and Rock Paper Scissors — and every one of them carries a 100% RTP badge in the corner. That badge is doing a lot of work and deserves reading carefully rather than at face value: it is a claim about the return on the game, printed by the operator on its own tile, and it is not a claim this site has independently verified. What it does mark is where the operator has chosen to compete, which is on the games themselves rather than on the size of a welcome package. Only Castle Roulette carries a LIVE marker, so the rest resolve on your own click.

The lobby behind the originals is the honest limitation. The Casino tab holds Slots, Live Casino and Game Shows rows built from Pragmatic Play, Pragmatic Play Live and Hacksaw Gaming, but it is roughly one row deep per category on the Lobby view with View All for the rest. Duel Blackjack sits on the live row tagged BETA, which is the one place an in-house game reaches a dealer table. Against the several-thousand-game catalogues elsewhere on this sheet, this is a room for a focused session rather than a place to browse.

The sportsbook is esports-first in a way the bigger books are not. The captured board led with Valorant, Dota 2 and Counter-Strike 2 fixtures carrying live map scores between the team logos, with traditional sports filling the icon rail behind them. A banner above it advertised a weekly leaderboard flagged Live Now and carrying a minimum-odds badge — the qualifying price a bet has to clear to count, printed on the artwork rather than hidden in terms. That is a small piece of honesty worth crediting.

High Scores getting a top-level nav slot is the most unusual choice here, and the most creditable one. Six boards sit behind it — Biggest Winners, Biggest Losers, Top Wagers, Biggest Wins, Biggest Losses and Luckiest Wins — each filterable from All Time down to Last Day. Publishing the losing boards with the same prominence as the winning ones is not something most operators do. The All Time winners board runs from $12.3 million at the top down to $1.5 million at tenth, and beside it a personal panel reads Not Ranked on an account that has not played onto any of them. Read those two things together, in that order.

The wallet is compact and does the one thing that matters. Deposit, Withdraw and Tip sit in a single modal; a currency dropdown lists Bitcoin, Bitcoin Cash, Ethereum, Litecoin, USD Coin and Tether with balances attached and a scrollbar showing more below; and on both tabs the network is named on the same screen as the address rather than in a help article. Sending the right coin over the wrong chain is the most expensive routine mistake in crypto, and Duel puts the warning where it gets read. The withdrawal frames show an empty form — an address field, an amount with a MAX button, a network warning and a fee line reading on a blank form — and nothing showing a payout completing, so no clearing time is stated here. On cost Duel answers for itself, and creditably: it states it takes no profit from deposit or withdrawal fees, and that what you pay is the third party’s network charge.

Two of its published rules matter more than anything on the screens. Duel does not accept players from Germany, France, the Netherlands, the United Kingdom, the United States, Australia, Spain, Slovakia, Lithuania or Montenegro, among others — the second entry on this sheet to bar German residents outright, and a contract term rather than a technical block, so the usual place it surfaces is the withdrawal. And Duel does not refund deposits by default: money paid in is money you meant to stake.

For completeness on who you are dealing with: Duel names Immortal Snail LLC of Charlestown, Nevis, licensed by the Government of the Autonomous Island of Anjouan under ALSI-202411026-FI1. That is a real licence at the permissive end of the scale, lighter than Curaçao and considerably lighter than Malta — which is worth knowing and only becomes relevant on the day something goes wrong. Take Duel as the sharp ten-minute room in a rotation, not the only account you keep, and only if you are somewhere it accepts.

Four nav items and eleven in-house games, each tile carrying the operator’s own 100% RTP badge. Only Castle Roulette is marked live.
Six boards, losing ones included — and a side panel reading Not Ranked next to a column of seven-figure profits.
The network is named on the same screen as the amount. This is the form, not a payout — the fee line is reading on an empty box.

Straight to the operator: duel.com.

Why it earns a spot

  • Eleven in-house originals, every tile carrying a 100% RTP badge
  • The network is named on the same screen as the address, on the way in and the way out
  • High Scores publishes biggest losers and biggest losses as prominently as the winning boards

Worth knowing: Germany, France, the Netherlands and the UK are barred outright, and deposits are non-refundable by default.

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Stated by the operator, not seen here

Where this verdict leans on something no screenshot shows — a licence, a withdrawal minimum, a wagering requirement — it comes from the operator's own pages, named in the text and listed here. Their terms are authoritative about their own rules and no evidence at all that the rules are honoured. Operators rewrite these pages without notice, so each carries the date it was read.

18+ only. This verdict is based on the site's own screenshots of a live account, taken on the date above; where a figure was not on the screen it is not on the page. Operators change offers and redesign without notice. Signing up through links here may earn this site a commission at no cost to you. Gamble responsibly.