An open sandbox zombie killer with a Good story, Very fun to play co-op. What brings the game to life are all the different mentally unstable people you meet along the way. Which has given me some of the funniest gaming experiences I've had with friends.

Ahead of its time, One of the best open world games ever made, fun and playful but also a bit repetitive in some areas. Good story, nice level design, and very good animations and combat, for a game from 2006

Ahead of its time, has game mechanics that today are seen as revolutionary.