The Armored Warrior of the Apocalypse

At night, in an experimental base two kilometers underground, a mysterious man pressed a red button and placed it in mysterious containers around the world. They were quietly opened, and a low roar came from the dark container. As dawn came, the world suddenly became chaotic. Zombies from movies and TV series appeared on the street. A pre-apocalyptic real estate company employee obtained the armored soldier system. Can he survive in this apocalyptic game and lead mankind to find out who is behind the scenes? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.