Here is one of the most exciting strategy game Cover artZ Day, where you can handle your city and building your own army from the zero to become a strong enough army that can define and attack other players online.
Cover artZ Day: Hearts of Heroes | MMO Strategy War overview
In this game, you need to rebuild your city and repair everything around you same as buildings and farms alongside your base and military, so in this case, you can handle the situation that the danger that surrounds your city.
The real danger here is this game is now another players but the are the walking dead (Zombie). You need to build your city and development the weapons that you own already to protect every person inside your own city.
There are a lot of weapons and army stuff that you will need to stop the attack that coming from the zombie.