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
48.5%of rounds reach 2x in a game with 97% RTP
−3%average return of every cash-out target and every betting system
1 in 762Martingale series at 2x lose the whole 1,023-unit ladder
16%chance of being ahead after 1,000 flat bets at 2x

Latest guides

All guides

Odds of hitting 50x in crash games like Aviator

Analysis of the probability and frequency of reaching a fifty times multiplier in crash games.

Odds of hitting 1.3x in crash games like Aviator

How often a round hits the multiplier and how the house edge shapes long-term results in instant games

Roulette six-line bets: odds and house edge

A clear breakdown of roulette odds, house edge calculations, and expected losses for six-line bets on European and American wheels.

Odds of hitting 20x in crash games like Aviator

Examine the probability of hitting twenty times in crash games, average wait times, and how return rates affect outcomes.

Roulette street bets: odds and house edge

Street bets win rarely. The zero drives the house edge. Streaks are common. Patterns do not change outcomes.

Odds of hitting 100x in crash games like Aviator

An analysis of the probability of hitting high multipliers in crash games, the frequency of dry spells, and the impact of house edges on long-term 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

See it for yourself

Pick a strategy and simulate a thousand sessions in seconds. Free, no sign-up, nothing to win or lose.

Open Crash Lab

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