So I found I was more than likely to survive than perish once I figured out the Zombie's one weakness!
The refreshing scent of pine and the impossible to breach needle laden branches.
There is a bug in the game where the enemies won't pass large trees, so once I had a tree fort built around me it was just wait out the end of the game.
You also need to add some variation to the background to help with navigation, it was hard to tell where things were when I did go exploring.