Paradox Scourge

This world is a game. Everyone has been saying that for forty years. On the night of the Peace Festival, tens of millions of people were partying online at the same time - and then the logout button was grayed out. There is something new on the street. They hear sounds and don't recognize people; when they see people alive, they kill them. Kill one and get stronger. Hiding is to wait for them to grow up. Fighting is to feed them to grow up. From the moment the server was released, everyone was living in a paradox. No abilities, no system prompts, no saving and restarting