Crash gambling is a high-speed betting video game where players bet on the length of time a multiplier will keep rising

https://blogfreely.net/tophestrkw/csgo-crash-explained-in-fewer-than-140-characters

Crash gambling is a high-speed wagering video game where gamers bet on for how long a multiplier will keep increasing. Payouts grow if you cash out before the crash, otherwise you lose your stake.