I just bought this too. I had no idea that this was associated with The War Z. If I had I probably would not have purchased it. That said, it's dirt cheap and I have never played The Day Z or The War Z so....I guess I get to see what all the fuss is about finally.
Evil always wins because Good is dumb. PSN ID: xDARKWALKERx // Gamertag: I DarkWalker I