"I am a hero who will save this tragic world filled with zombies."

"At least in this world."

 The thrill of a 'current puzzle' that illuminates a dark city

You must read and reconstruct the currents and illuminate the city devastated by zombies. Each time you restore a power outage, new paths open up, revealing hidden truths about the city.

 Investigative search: uncovering clues through CCTV observation

Once inside the lab, you must investigate and forge your own path. CCTV will provide crucial clues.

 Exhilarating shooting action against swarming zombies

This is a shooter combat content where you must survive against hordes of zombies swarming from the darkness. You must choose your position and manage your ammunition accordingly to overcome the constant onslaught of threats.