Doomsday Commander: Humanity's Last Line of Defense

On an ordinary morning, viruses, zombies... Come one after another, the end is coming in an instant, and the world is in danger. On this ordinary last night, on the edge of the collapse of civilization, an ordinary IT engineer began to show his unknown side - the ability to maintain calm thinking in a crisis, and an almost instinctive command talent. And outside the window, the first ray of dawn of the new world is about to rise.