- You win if you cash out before the multiplier crashes. The crash point is fixed before the round starts.
- With a 1% house edge, the chance of reaching a multiplier is roughly 99% ÷ the multiplier: about 49.5% for 2x, 9.9% for 10x, 0.99% for 100x.
- Every cash-out target has the same long-run return. No strategy, including Martingale, changes the edge.
- Good crash games publish a hash chain so you can verify every round after it ends.
How a crash round works
- During a short betting window, players place bets for the next round. Most games let you set an automatic cash-out multiplier.
- The round starts at 1.00x and the multiplier rises, slowly at first and then faster.
- At any moment you can cash out, locking in your stake times the current multiplier.
- At a random point the multiplier crashes. Anyone who has not cashed out loses their stake for that round.
The crash point is decided before the round begins, not while the line is climbing. The animation is a reveal of a number that already exists, which is what makes it possible to verify afterwards.
Crash is usually multiplayer. You see other players’ bets and cash-outs in real time, which is a big part of its appeal, and the reason it is popular on streams. It does not change the maths: every player faces the same crash point and the same edge.
The odds of reaching each multiplier
In a typical crash game with a 1% house edge, the probability that a round reaches a multiplier of at least M is about 0.99 divided by M. That single formula explains the whole game.
| Cash-out target | Chance the round reaches it | Rounds per win, on average |
|---|---|---|
| 1.10x | 90.0% | About 1.1 |
| 1.50x | 66.0% | About 1.5 |
| 2x | 49.5% | About 2 |
| 5x | 19.8% | About 5 |
| 10x | 9.9% | About 10 |
| 100x | 0.99% | About 101 |
| 1,000x | 0.099% | About 1,010 |
Multiply any row’s payout by its probability and you get the same answer: about 0.99. Whether you aim for 1.5x or 100x, you get back roughly 99 cents of every dollar wagered over the long run. What changes is how bumpy the ride is.
Many crash games apply their edge through a small chance that the round crashes instantly at 1.00x, so every bet that round loses. That is why even a 1.01x target is never a sure thing.
Low and high cash-out targets
A low target such as 1.2x wins most rounds and loses rarely, but each loss wipes out several wins. A high target such as 20x loses most rounds and wins rarely, but each win is large. Both have the same expected return.
In practice, that makes your target a choice about volatility, not about profit. Low targets give longer sessions with smaller swings; high targets give short, streaky sessions where your balance can fall quickly before a win arrives. Choose a target that fits your budget, not the one that looks best on a stream highlight.
Crash “strategies” and why they do not beat the edge
Martingale
Doubling your stake after every loss at a 2x target feels safe because you usually recover. But a run of losses is inevitable, and stakes grow quickly: ten losses in a row from a $1 start means a $1,024 bet just to win $1 back. Table limits or your balance end the sequence first, and the large loss cancels out the many small wins.
Reading the history
Crash rounds are independent. A string of low crashes does not make a high one “due”. The previous rounds tell you nothing about the next one, however patterned the history chart looks.
Two bets at two targets
Splitting a stake between a low and a high cash-out smooths the ride a little. It does not change the edge on either bet.
Bots, scripts and “crash predictor” apps that claim to forecast rounds are scams. If a crash game could be predicted, it would not be provably fair, and the casino would not offer it.
How to verify a crash round is fair
Most crypto crash games use a hash chain. The casino generates a long sequence of hashes in advance, where each round’s hash is derived from the next one, and publishes the final hash before the game starts. Because each hash depends on the one after it, the casino cannot alter a future round without breaking the chain.
Many games also mix in a public value, often a Bitcoin block hash from a block mined after the chain was committed. Neither the casino nor the players could know that value in advance, so no one could know the outcomes either.
- Find the game’s fairness page and note the published formula and any public salt.
- Copy the hash for a round you played.
- Run it through the formula in an independent verifier or a short script.
- Confirm the result matches the crash point shown, and that hashing the round’s hash gives the previous round’s hash.
Our provably fair guide explains the general system in more detail.
House edge differences between casinos
Crash games at crypto casinos commonly advertise a house edge of around 1%, but it is not universal. Some games and some third-party crash titles use higher edges. The difference matters: at a 3% edge, the long-run cost of play is three times higher than at 1%.
Check the fairness or game-info page for the stated edge or RTP before you play, and compare it between casinos. Our RTP guide explains how small edge differences compound.
Crash, limbo and other multiplier games
| Game | How it works | Same maths? |
|---|---|---|
| Crash | Shared multiplayer round; cash out before the crash | Yes |
| Limbo | Pick a target; a single-player result is drawn instantly | Yes, without the live round |
| Aviator-style games | Third-party crash games with a plane or rocket theme | Similar, but edge and fairness method vary by provider |
| Dice | Pick a win chance and payout; one roll decides | Same edge logic, different presentation |
Limbo is crash without the waiting: you choose a target and the result appears immediately. Because it plays much faster, the same budget lasts far fewer minutes.
Playing crash responsibly
Crash is fast, social and built to keep you watching for one more round. That combination makes it easy to lose track of time and money.
- Set a session budget and a deposit limit in your account before you start.
- Use auto cash-out so decisions are made before the round, not in the heat of it.
- Do not increase stakes to recover losses.
- Take a break after a big win as well as after a loss.
If crash or any other game stops feeling like entertainment, our responsible gambling guide lists the tools and support available.
18+ only. Gambling involves risk and should be treated as paid entertainment, never as income. Check that online gambling is legal where you live before you play. Get help and set limits →