Finally, after 19 tries i did...To get shadow:Take the objects on your base,go to church and take the axe(to open the station door), go to the station and take all object of there, now go to shop and take the objects(without kill the dat zombie,yet) and take the photo in the wall,go the crash site and use rubber hose to get fuel and use it on the red car, come back to the church and give him the photo take the another objects(the car can carry heavy things), go to base and give to bill the pills, mix the water and sand to can brick up the window(not yet), now dig a hole, and now go to shop, kill the zombie with the shovel, give him the glasses,go to crash site and cut the trees and come back to the base and now repair the fence gate, put the pointed stick in the hole, lock the door(with key of course), brick up the window and hide and kill bill with the axe(if u want give him the bottle of alcohol) and past time and win... i know i am terrible human being...