Left 4 Dead was one of the best games of 2008. Its premise was simple, but on harder difficulty levels, and in versus mode it's complex, challenging and competitive. Our huge guide looks at how to survive as a team - whether you want to save your hides or spill some brains.

The Penumbra series gained fame as an accomplished indie effort, but has grown into a professional game of astonishing depth and detail. Now, as the series draws to a close in this final mini-epic, we take a look at Black Plague and see if it can go out with a bang.