At the end of the round you have the runner. go to the corner and i kept pressing the left analog stick forward. it pushed me down the geiser but with adjusting it more it would have worked like the video. it cant be a crawler either. it needs to be the runner.
no im pretty sure it has nothing to do with a lag i did the one on ascension and u didnt need to lag its all about the zombie it takes a while tho they have to hit u just right