This is a good place to start: http://forums.xbox.com/6275273/ShowPost.aspx
This is essential reading if you're going after achievements: http://forums.xbox.com/14911748/ShowPost.aspx#14911748
I completed this game some time ago, but if my memory serves I used the two above guides primarily. You might want to find a 7-day Survivor guide specifically, as that is an achievement you don't want to mess-up in the middle of! :D
Log in to comment