How crash games work: multiplier maths and fairness

The multiplier looks like a story, but behind it is a single random number and a fixed edge.

Updated Adults onlyBy Anderson Alves, editor in chief
Quick answer

In crash games a random number sets the point where the multiplier stops. The chance that it reaches at least a given multiplier is roughly the return divided by that multiplier, so 2x is reached about half the time and 10x about one time in ten. The house edge is built in, so no cash-out target is profitable.

Crash games are simple on screen, and the maths behind them is simpler than most players expect. Understanding it removes the sense that you can read the pattern. Before you decide, check our online casino ranking for Canada.

This guide explains the mechanics and the controls to use. You must be of legal age in your province to play.

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How is the crash point decided?

Before each round the game generates a random value that decides the crash point. Many games use a formula where the chance of reaching at least multiplier m is about (1 minus the edge) divided by m. With a 1 per cent edge, the chance of reaching 2x is about 49.5 per cent and reaching 10x is about 9.9 per cent. Some rounds crash immediately at 1.00x, which is how the edge appears.

What does that mean for cash-out targets?

TargetApproximate chance of reaching itExpected return per CAD 1
1.5xAbout 66%About CAD 0.99
2xAbout 49.5%About CAD 0.99
5xAbout 19.8%About CAD 0.99
10xAbout 9.9%About CAD 0.99

The figures assume a 1 per cent edge for illustration. Real games state their own RTP, which may be higher or lower. Every target has the same expected return, so a high target is more volatile, not better.

What is provably fair?

Some crash games publish a hash of the server seed before the round and reveal the seed afterwards, mixed with a client seed. You can verify that the result matches the hash, which shows the result was fixed before you bet. It proves integrity, not profitability. Regulated games rely on certified RNG instead. The crash games page covers what to check in the game information.

Which strategies are myths?

  • Martingale: doubling after losses hits table limits or your balance fast.
  • Pattern reading: past crash points do not predict the next.
  • Signals and bots: they cannot know the next value.
  • Low target forever: still has the same expected loss, just in smaller steps.

Be cautious with social groups that sell predictions.

How do you control your play?

Set deposit and loss limits before you start, use auto cash-out and keep stakes small relative to your session budget. Decide the number of rounds in advance. Take a break after each session. See the limits and self-exclusion guide for the tools and for where to get help.

How do crash games compare with slots?

Slots hide their volatility in paytables, while crash makes it visible in the multiplier. Both have a house edge and neither can be beaten by pattern watching. Crash rounds are faster, so the same stake is turned over more times per hour, which makes the expected loss accrue faster. Compare this with the numbers on the slots page.

What should you check before your first round?

Read the game's information page for the RTP, the maximum multiplier, the maximum win and the rules for simultaneous bets. Check that auto cash-out works and that your limits are active. Play a few rounds with the smallest stake to see the pace. If the speed feels too quick, choose a slower game or take a break.

Adults only: 19+ in most provinces, 18+ in Alberta, Manitoba and Quebec. Online gambling involves risk. Play responsibly and set limits. This content is informational and is not legal or financial advice.

Frequently asked questions

Can crash games be rigged?

At licensed operators, games use certified random number generation and are tested by labs. Provably fair games add a way to verify each round. Unlicensed sites carry more risk since no regulator checks the software. Verify the operator's licence, and read the game's information page for the stated RTP.

What is the house edge in crash?

It varies by game and is usually stated as an RTP between about 97 and 99 per cent, which means an edge of 1 to 3 per cent. The edge is built into the crash distribution, for example through rounds that end at 1.00x. Check the info screen of the game you are playing.

Why do crash games feel addictive?

Rounds are very short, results are immediate, and a near miss on a high multiplier feels like a lost chance. The ability to choose your cash-out gives a sense of control that the maths does not support. Limits, breaks and small stakes counter this effect.