Crash gambling works like a countdown race: the multiplier increases continually up until it drops to zero

https://crash-gamblingrail164.theglensecret.com/why-cs-crash-game-isn-t-as-easy-as-you-think

Crash gambling works like a countdown race: the multiplier increases continually until it drops to zero. Gamers need to decide when to lock profit, stabilizing greed against survival.