(adsbygoogle = window.adsbygoogle || []).push({}); Heres my way i get past round 20 ok so get to round 5 or 6 right do what ever you need to make a crawler and open the elevator go down and buy the mp5k and if you have 4 people everyone takes one window till round 8 or 9 then go into the basement turn on the power get your guns upgrade get perks what ever you must do i recomed getting the ak74u and upgrading it now heres were the real plan steps in. ok so the elevator you take to get the middle floor go left were the deffcon thing is go to the pm63 is and 1 person gaurds the window and 1 person gaurds the persons back then two people kill the zombies that come up the stairs towards them make a crawler every round for ammo and other stuff HOPE THIS HELPED WILL MAKE VID SOON

seen much better before... sounds alright but u need to format your writing a bit better next time

Makin a vid tomaro