Beginner
Crash
Cash out before the multiplier busts.
- RTP
- 99.0%
- Edge
- 1.0%
- Volatility
- High
Open guide →
Duel Originals
What are Duel Originals?
Fast, parameter-driven in-house games with transparent odds, high RTP targets, and provably fair verification — explained like documentation, not affiliate spam.
Game hubs
Every Original gets rules, payouts, RTP, variance, FAQ, and linked calculators.
Beginner
Plinko
Drop a ball through pegs into multiplier buckets.
- RTP
- 99.0%
- Edge
- 1.0%
- Volatility
- Variable
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Intermediate
Mines
Reveal safe tiles; cash out before hitting a mine.
- RTP
- 99.0%
- Edge
- 1.0%
- Volatility
- Variable
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Beginner
Dice
Set a win chance; roll over or under the line.
- RTP
- 99.0%
- Edge
- 1.0%
- Volatility
- Variable
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Intermediate
Blackjack
Hit, stand, and manage decisions against the dealer.
- RTP
- 99.5%
- Edge
- 0.5%
- Volatility
- Low
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Beginner
Roulette
Wheel bets with transparent probabilities.
- RTP
- 97.3%
- Edge
- 2.7%
- Volatility
- Medium
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Beginner
Keno
Pick numbers; match the draw.
- RTP
- 96.0%
- Edge
- 4.0%
- Volatility
- High
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Beginner
Limbo
Choose a target multiplier; win if the result clears it.
- RTP
- 99.0%
- Edge
- 1.0%
- Volatility
- Variable
Open guide →
Beginner
Coin Flip
A two-sided bet with transparent odds.
- RTP
- 99.0%
- Edge
- 1.0%
- Volatility
- Low
Open guide →
Math that ships
Interactive calculators for crash probability, EV, Kelly, RTP, and risk — built for learning.
Explore →Provably fair, clearly
Seeds, hashes, and nonces explained without pretending verification equals profitability.
Explore →Factual comparisons
Side-by-side pages that state what is shared, what differs, and what you must verify live.
Explore →Full details on the referral page.