Kill the Zombies

The city is evaded by beasts and zombies and they are killing human race completely.
You have to fight with them kill them and secure the remaining human being there and secure the human species.
You get 3 hero characters and many weapons to fight with zombies, missiles, all arms, full ammunition supply, health support.
You just go kill 'em all and let human species like, and give treatment of fatality to all beasts daemons and zombies who evaded the holy city of humans.
If they got virus, we have technology, intelligence and mainly brain to survive and make human race lively again.