Left 4 Dead 2 (PC)

This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns. You'll play as one of four new survivors armed with a wide and devastating array of classic and upgraded weapons.

• Next generation co-op action gaming from the makers of Half-Life, Portal, Team Fortress and Counter-Strike.
• AI Director 2.0: Advanced technology dubbed
• The AI Director" drove L4D's unique gameplay - customizing enemy population, effects, and music, based upon the players' performance. L4D 2 features "The AI Director 2.0" which expands the Director's ability to customize level layout, world objects, weather, and lighting to reflect different times of day.
• New melee weapons - axe, chainsaw, frying pan, baseball bat - allow you to get up close with the zombies
• Four different survivors. New Story. New dialogue.
• More game. On day one, L4D 2 features more co-operative campaigns, more campaigns and maps for the Versus game modes than L4D 1, plus support for
• Survival mode out of the box.
• Stats, rankings, and awards system drives collaborative play