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. 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.Each of the five new campaigns contains at least one new �uncommon common� zombies which are exclusive to that campaign. 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. Five expansive campaigns for co-operative, Versus and Survival game modes. Set in the zombie apocalypse, This Game is the highly anticipated sequel to the award-winning first part L4D1, the 1 co-op game of 2008.Over 20 new weapons & items headlined by over 10 melee weapons – axe, chainsaw, frying pan, baseball bat – allow you to get up close with the zombies.Next generation co-op action gaming from the makers of Half-Life, Portal, Team Fortress and Counter-Strike.Four heroes have to clear their way, going through the crowds of the living dead. Left 4 Dead 2 Game Download Free Characteristics for Left 4 Dead 2 Download For PC: Description: Left 4 Dead 2 telling us the story of survivors group who didn’t have time to evacuate from a city filled with infected residents.