People recover from Zombie

NAN / 5
People recover from Zombie

The people that keep you as a prisoner of zombies are trying to rescue them using your intelligence and logic to break the boxes and will allow them to be destroyed by the location of zombies. Rescues people from zombies in the game to overcome a very tough first part of your mouse and you will try to destroy zombies using your logic and your intelligence with him.

8 + 5 = ?