This Shacknews story carries detail on how to get a bit more from the now-released Left 4 Dead demo, including playing split-screen on one PC and taking on the roles of the zombies themselves.
It’s just down to a few console commands and a little jiggerypokery, apparently. Hit the link to see.
Sometimes we include links to online retail stores. If you click on one and make a purchase we may receive a small commission. For more information, go here.