It's a short game, but the story is friggin' awesome. Some of the cut scenes and audio make everything worth it. It is easy to get into this game and the music for it make you want to just keep slaughtering zombies left and right.
The online play is also very fun. Especially since you can see who you have beaten and spread the "Infection" to. Always fun to see how far your domination has reached in you area and the world.
