I was (obviously) bored several minutes ago. So i entertained myself via playing Left 4 Block on Sumz\'s No Mercy build. I ended up recording it with ScreenFlow and ended up with this.http://www.youtube.com/watch?v=CuvHJ6tPCpQ
Would be cool if someone made an exact recreation of a campaign. Sumz took some liberties.
Holy stuff the tank scared me. :C