99% RTP
Same edge on every pick count from 1 through 10.
Duel Original · Lottery draw
Keno
Pick up to ten numbers on an eighty-cell grid. The game draws twenty. More matches mean bigger pay. Pick count sets the variance: one number is a coin flip with a small multiplier, ten numbers is a jackpot hunt with long dry spells. RTP holds at 99%.
RTP
99%
House edge
1%
Volatility
Medium to high (depends on picks)
80-number pool
Twenty numbers drawn per round. Pay table scales with how many you picked.
Auto repeat
Run the same selection across hundreds of draws without re-clicking the grid.
Why Keno
Lottery pace without the paper slip
Keno is the slow-burn Original. Sessions can run hundreds of rounds with no meaningful hit if you play ten picks and aim for the top row of the pay table. One-pick rounds feel like a choppy even-money game. The draw is provably fair, the pay table is on screen, and hot/cold number tracking is useless because each draw reshuffles the pool logic from seeds, not from history.
Hot and cold number boards are noise. Each draw is seed-derived, not history-weighted.
10,000× on ten-of-ten hits is real math with lottery odds (~1 in 8.9 million). Most ten-pick sessions end at zero to four catches. Budget like a lottery, not like blackjack.
How to play
How Keno works
Choose how many numbers to play (1-10) and which numbers from the 80-cell grid. Place stake. The system draws 20 numbers. Payout depends on the pick-count and how many of yours hit. With 10 picks, hitting 5 of 20 pays ~3×; hitting 10 of 20 pays a jackpot multiplier of ~10,000×. Pay-tables are published in-game.
Pay tables change by pick count. Open the in-game table before you select numbers so you know what three catches pays versus seven.
Auto repeat runs the same selection across hundreds of draws. Essential for ten-pick jackpot hunts.
Sessions
How to run a Keno session
Pick count sets variance. RTP stays 99% across all counts.
- 1-4 picks for frequent small hits and flat betting.
- 10 picks is jackpot mode. Budget for long dry spells.
- Open pay table for your pick count before selecting numbers.
- Calmer table option: Castle Roulette even-money outside bets.
Rules sheet
Keno rules at a glance
Select count, select numbers, draw twenty, pay by matches.
| Rule | Duel Keno |
|---|---|
| RTP / house edge | 99% / 1% |
| Number pool | 80 numbers, 20 drawn per round |
| Pick count | 1-10 numbers per round |
| Top jackpot | ~10,000× on 10/10 match |
| Min bet | $0.10 |
| Provably fair | Draw order from HMAC shuffle of 80 |
Strategy
Pick count and variance
RTP is constant at 99% across every pick-count configuration, what changes is variance. Picking 1 number is a near-50/50 (1.4× return on 25% hit rate). Picking 10 numbers is a long-shot lottery (10,000× on a ~1 in 8.9 million hit). Auto mode is essential for hitting enough rounds to converge on the 99% return; one 10-pick session can run hundreds of rounds without a payout.
Pick count is a variance dial, not a skill test. Auto mode exists because you need volume to approach 99% RTP. One manual round tells you almost nothing.
Provably fair
How to verify a Keno draw
The 20 drawn numbers are a deterministic function of the seed pair and nonce, mapped through a Fisher-Yates shuffle of the 80-position pool. Reproduce the shuffle, take the first 20 positions, confirm they match the casino's published draw.
- Before the round, copy the server seed hash from the provably fair panel. That hash is the commitment. The raw seed is hidden until the round ends.
- Set or accept a client seed. The nonce increments on every bet. Together they feed the HMAC-SHA256 function Duel publishes in the rules.
- Play the round. When it settles, reveal the server seed and recompute the digest with your client seed and nonce.
- Map the digest to the game outcome using the rules for that title. If your result does not match what Duel paid, open a ticket with the round ID.
Complete Keno guide
Keno reference: pick counts, pay table, verification
Duel Keno: how pick count changes variance, jackpot odds, auto mode, and reproducing the draw from seeds.
What it is
Keno is Duel's lottery-style Original. Players mark numbers, the system draws twenty from eighty, and payouts follow the published matrix for each pick count.
RTP and house edge
1% house edge regardless of pick count. More picks increase jackpot size and decrease hit frequency.
Bankroll and sessions
Ten-pick jackpot hunting needs a bankroll sized for thousands of empty draws. One-pick play suits smaller swings. Set a session loss cap in dollars.
Vs other Originals
Versus Beef, Keno removes the instant head-to-head reveal for multi-number suspense. Versus real-world lottery, Keno runs every few seconds with verifiable draws.
VIP and promos
Counts toward VIP volume.
Practical notes
Mines and Keno both suit long auto sessions with different tension profiles.
Verification checklist
Twenty drawn numbers = first 20 positions from 80-cell shuffle. Match all 20.
Compare
Keno vs similar Originals
Use this table to decide between Keno and Castle Roulette. Links go to full guides on this site.
| Topic | Keno | Alternative |
|---|---|---|
| Pace | Lottery draw | Castle Roulette: Table spin |
| RTP | 99% | Castle Roulette: 100% main wheel |
| Variance | Pick-count driven | Castle Roulette: Low on even money |
Also in Originals
Related Duel Originals
Same wallet, same seed tools, different variance profile. Pick the title that matches your session length.
Keno FAQ
All originalsAre lucky numbers real?
No. Each number has equal draw probability. Past draws do not matter.
Why do more picks feel harder to hit?
Catching all picks is much rarer than catching one. Hitting any match actually gets easier with more picks.
Highest multiplier?
~10,000× on 10/10. Extremely rare.
Pick same number twice?
No. Each number once per round.
Auto mode?
Yes. Repeat same picks across many draws.
Mobile?
Full grid and verification on mobile.
Verify draw?
Recompute shuffle, first 20 positions = drawn set.
VIP?
Yes.
Best pick count for flat betting?
1-4 picks for frequent small hits. Ten picks is jackpot hunting.
Keno vs Castle Roulette?
Castle Roulette is 0% on the main wheel. Keno is 99% lottery draw.
Hot and cold numbers?
Useless. Each draw is seed-derived, not history-weighted.
Auto repeat?
Yes. Run the same selection across hundreds of draws.
Play Keno at Duel
Pick numbers. Watch the draw. Verify the twenty drawn positions.
Play Keno at Duel