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

https://www.4shared.com/office/eert2_vojq/pdf-25902-36754.html

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