I've been playing this almost everyday on expert so far i only passed the no mercy campaign alone and now trying to get 3 more but there frikin hard with those smoker and hunter getting u incap, including tank, but awesome game!!
exactly what happen to me "stupidmonkey" got the game and played it for like two days traight and my xbox failed on me.......now i have to wait for like a gazillion years..... T-T