There seems to be no way out, it takes me a couple of hours to be aware of this. If it is impossible to escape, do what I have to in order to stay alive, keep moving as fast as I can, and protect myself by any means necessary. When the Dead are rising, run!
Game Play
1 30 days survival mode, challenge yourself or friends.
2 Various zombie character you need to defeat.
3 Support picking and using items anytime.
4 Call air support when you are in danger.