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Free Crash Simulator — Learn the Multiplier Curve

The multiplier climbs until it crashes. Cash out before it does. This simulator uses the standard provably fair crash distribution so the odds match what you will see at Roobet, Stake and Rainbet.

Virtual balance1,000.00
×
Rounds0
Net result0
Win rate at target—
Highest crash seen—

    6,100 rounds launched today · last 1000×+ crash 2 h ago

    How crash works

    Each round, a multiplier starts at 1.00× and rises along a curve. At a hidden, pre-determined point it crashes. Any player who cashed out before the crash wins their bet × the multiplier at cash-out; anyone still in loses the bet. The crash point is generated from a hashed server seed and a client seed, which is what makes the game provably fair — after the round you can verify the point was fixed before you bet.

    The standard distribution used by Roobet, Stake, Rainbet, Shuffle and Gamdom gives the house a 1% edge at every target: the probability the game reaches at least m× is 99% ÷ m. It reaches 2× about 49.5% of the time, 10× about 9.9%, 100× about 0.99%. Instant crashes at 1.00× happen 1% of rounds — that is where the edge lives.

    Auto cash-out: the only strategy that matters

    Because the expected return is 99% at any target, there is no target that beats the house. What the target controls is variance:

    • 1.5× – 2× wins most rounds with small profits; losing streaks are short but losses are frequent.
    • 3× – 5× wins a third to a fifth of rounds; long sessions swing more.
    • 10×+ wins under 10% of rounds. Sessions are mostly small losses with occasional big wins.

    Pick a target that matches your bankroll (see the bankroll calculator) and set it as an auto cash-out so emotion does not move it mid-round. Manual cash-outs feel skillful; statistically they are identical to a fixed target.

    Martingale and other systems

    Doubling after each loss until you win at 2× "guarantees" a profit of one bet unit — until a streak exceeds your bankroll or the table max. The probability of eight consecutive crashes under 2× is about 0.4% per sequence, which sounds rare and is not: over a few hundred rounds it is likely. Our Martingale guide runs the numbers.

    Crash and rakeback

    Crash is a 1%-edge game, so rakeback is unusually valuable: at Thrill's 70% ceiling the effective edge falls to 0.3%; Rainbet's BOOST20 and Gamdom's 15BOOST both apply to Crash. For a volume Crash player, a rakeback code returns far more than any deposit match. Compare in the rakeback calculator.

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    Frequently asked questions

    Is the crash point random?

    Yes — it is generated before the round from a hashed seed at real casinos, and from a cryptographic random source here. No action during the round changes it.

    What is the best auto cash-out?

    None beats the 1% edge. 1.5×–2× for low variance, higher for lottery-style sessions. Choose by bankroll, then automate it.

    How often does crash hit 100×?

    About once every 101 rounds on the standard distribution.

    Where can Canadians play crash for real?

    Roobet (the most popular Crash), Stake, Rainbet, Shuffle and Gamdom. Rainbet's BOOST20 rakeback boost applies to Crash.