Zombie Killer-Save The City

Get ready for an adventure based zombie killer game. This is not a normal zombie killer game, in this game you will have to get back the city which zombies have taken away from you.
Back Story:
Due to a failed vaccine trail of a deadly disease many people are turned into zombies and these zombies are becoming more strong and intelligent. These zombies finally started attacking the city and taking the whole city under their control. All the people who are alive ran into the jungle to save their lives and are surviving in the forest with very difficult conditions.
Hero:
Heroes are not born but they are made out of situation. Hence the hero of our game is no superhero but a common man who ran into the jungle to save his and his family lives. But after looking the difficulties of his people in the forest he decides to take over the zombies and bring back his city.
Challenges to The Hero:
As taking over the zombies is not a joke, he needs more weapons and also help from his people. There is ammunition and different guns present in the weapons base in the city. Our hero needs to go there and collect the ammunition so that he can save the total city.
Securing the Area:
Once little area is freed from zombies, our hero and his friends needs to secure that area so that again zombies could not enter this area. Hero and his friends will build string walls so that zombies will not enter the secured area and people will be safe.
Situation:
While all the plans are under making, the final situation is required when a normal human will turned into HERO. Finally that moment came when the zombies found the hide out point of the people in the forest. Once the zombies came to attack, our hero killed the zombie to save his people and from that moment the hunt continues.
From now on you will be playing that HERO and your main role is to eliminate the zombies and secure the city. While you keep on your mission, also collect other resources like Food, Water, Medicines to the people in the city.