["On day one, Left 4 Dead 2 features more co-operative campaigns, more campaigns and maps for the versus game modes than the original Left 4 Dead did, plus support for Survival Mode right out of the box.","Left 4 Dead 2 features quality co-op action gaming from the makers of Half-life, Portal, Team Fortress and Counter-Strike.","Updated \u201cAI Director 2.0\" technology expands players\u2019 ability to customize level layout, world objects, weather, and lighting to reflect different times of day, creating fresh gameplay every time.","Put a whole slew of melee weapons including axes, chainsaws, frying pans and baseball bats to use which allow you to get up close with the zombies.","The game features four different survivors, a new storyline and new dialog."]