With crash gambling, you bet on a multiplier target, such as 1.5 x or 2x

https://cs2-crash-sitesjeph676.talesignal.com/posts/a-provocative-rant-about-crash-game-cs-go

With crash gambling, you bank on a multiplier target, such as 1.5 x or 2x. If the multiplier never reaches your chosen point, your bet is lost; if it does, you can take earnings.