Duel Original · Card game
Every card comes from a full deck, so counting gets you nowhere — but strategy does.
Depends on your play. You can’t misplay Dice — the payout is fixed the moment you bet. Blackjack is different: the advertised return assumes perfect basic strategy, and most players give up one to two percent without noticing.
How to play
Set your base bet and receive two cards against the dealer’s upcard.
Hit, stand, double or split. Each decision has one mathematically correct answer.
The dealer plays a fixed rule, then hands are compared.
Every card in the hand can be checked afterwards in the fairness panel.
Playing it well
What has already been dealt tells you nothing about what comes next, because every card comes from a full deck. There is no shoe running down and no count to keep. Anyone selling a counting system for this game is selling nothing.
Standard basic strategy charts assume cards are removed from a finite shoe. An infinite deck changes a handful of marginal decisions — mostly around pair splitting and some doubling borders. If you want the last fraction of a percent, use an infinite-deck chart rather than a six-deck one.
Insurance is a side bet on the dealer holding a ten-value card and it is priced badly in essentially every implementation. Decline it every time, including on your own blackjack.
Quick check. Read the rules card before anything else: 3:2 versus 6:5 on a natural moves the return by about 1.4%, and no amount of good play recovers it.
Fair odds are not a winning system. Taking the casino’s advantage away does not hand you one. The best any of these games does is break even over time, and a bad night can still take everything you brought. Decide what you are willing to lose before you open the game, not halfway through it.
What it pays
The numbers below are what actually lands in your balance, using a $10 bet as the example.
Blackjack is the one game here where the payout depends on you. The advertised return assumes you make the right decision on every single hand, and almost nobody does that without a chart.
Learning basic strategy takes about an hour and the chart is free everywhere. It is the difference between breaking even and quietly losing one to two percent of everything you stake.
| How you play | Roughly what it costs | Per $1,000 staked |
|---|---|---|
| Perfect basic strategy | Nothing | $0 |
| Good, with the odd slip | About 0.5% | About $5 |
| Sensible but untrained | About 1.5% | About $15 |
| Going on instinct | 2.5% or worse | $25 or worse |
FAQ
Duel’s provably-fair article documents the card derivation but publishes no RTP or house edge figure, and does not state the table rules. Blackjack’s return is always conditional on playing basic strategy correctly, so treat any advertised figure as a ceiling for optimal play. Check the rules card for the blackjack payout and the dealer’s soft-17 rule before you sit down.
No. Every card is dealt from a fresh, complete deck, so nothing is ever removed and no card becomes more or less likely as the hand goes on. Counting works by tracking what has already gone — here, nothing has.
Yes. Because each card comes from a fresh full deck, the same card can turn up more than once in a hand. It looks odd the first time, and it is the clearest sign that the deck never runs down.
That is ⌊2³² ÷ 52⌋ × 52 exactly, so every one of the 52 cards is equally likely.
Your own client seed is mixed into every result, so once Duel reveals the server seed you can recalculate any round offline.
Duel’s Blackjack documentationKeep reading
Pick a win chance. The multiplier is the exact inverse of it.
A rising curve, a cash-out button, and the only Original that keeps a cut.
Roulette with the zero-pocket advantage taken out of the payouts.
Depends on your play
Duel runs a deposit match plus rakeback for new accounts. Terms, size and wagering change often — confirm the current numbers in your account before you deposit.
18+. Wagering requirements apply. Terms set by the operator and subject to change.