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

https://blogfreely.net/tophestrkw/the-good-and-bad-about-csgo-crash-simulator

With crash gambling, you bet 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 revenue.