Crash Math Lab
The honest math of crash games
In a crash game with 97% RTP the multiplier reaches 2x in 48.5% of rounds. Whatever target you pick and whatever system you follow, the average cost is the same: 3% of everything you stake. 2xCrash shows the numbers with free tools. No bets, no prizes, no unlicensed casinos.
- Free
- No sign-up
- No bets, no prizes
Latest guides
All guidesRoulette odds of red or black: European vs American wheels
Compare win rates and house edges for red or black bets on European and American roulette wheels.
Odds of hitting 1.5x in crash games like Aviator
An analysis of crash game probabilities focusing on the frequency of hitting the target multiplier and its impact on bankrolls.
Tools
Crash Lab
Simulate the 2x strategy, Martingale, D’Alembert and more over thousands of sessions.
Probability calculator
The chance of reaching any multiplier, and what a bet on it returns on average.
Cost of play
What an hour of play costs on average, by game, bet size and pace.
Provably fair demo
Commit, play, reveal and verify rounds yourself, right in the browser.
Licence checker
Is a gambling site in the UK or Brazilian register? Check any address in seconds.
Mines odds
The exact chance of every click and the multiplier it should pay.
Bonus calculator
What a casino bonus is really worth once its wagering requirement is paid for.
Guides
The 2x strategy, fully explained
Why cashing out at 2x feels safe, how often it works and what it really costs.
Martingale: the doubling trap
Small wins, rare disasters: the numbers behind doubling after every loss.
How crash games work
RTP, the crash-point law and why every round is independent of the last.
Predictors and signals are scams
Why no app can predict a round, and how these schemes take your money.
“Paying hours” are a myth
Why no game pays more at certain times, and who profits from the idea.
Safer play
Budgets, reality checks, self-exclusion and free help lines by country.
Legal map
Where online casinos and betting are licensed, restricted or banned.
How we work
- No bets, no prizesOur simulators use no money and pay nothing. They exist to show the statistics.
- Licensed operators onlyOperators appear only on labelled pages, only to visitors from countries where they are licensed (UK, Brazil), and never next to strategy content. How we are funded.
- Every number is checkedFigures are computed by code and cross-checked with a Monte Carlo simulation before they are published. See the methodology.
- Safety firstEvery page shows the legal situation and free help for the country you are browsing from.
See it for yourself
Pick a strategy and simulate a thousand sessions in seconds. Free, no sign-up, nothing to win or lose.
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