Doomsday Game Row

When the doomsday comes, the world turns into a game. Ouyang Feng picks up a strange ring when the doomsday happens. Monsters are everywhere, people are frightened, a city hidden in the jungle, a castle on an island in the middle of the ocean, the last oasis standing in the long sand! Where is humanity's last hope? When Ouyang Feng discovered all this, he looked back and saw something different. What could this ring bring him?