I dont usually use pirate bay, but my source just pointed me there anyway. [youtube]RaGrLw0em5U[/youtube]
Related (Look in the third pane on the top.) EDIT: Co-op is amazingly awesome, it's so fun mowing down zombies with someone else. I also found out that you can use a trainer to change the time or freeze it. There's only two that I know of thus far, one that works with pirated versions and this one that works with steam and gfwl... http://www.megaupload.com/?d=73CM07UD The trainers also work online if you are the host! I have no clue if you aren't the host, but you can play pretty much freely if you just freeze time or subtract hours.