A black fog killed all the humans exposed to the outside. The next second, the survivors hiding in the house heard a cold mechanical sound. [The survival game is online.] [Please keep in mind the three basic rules of the game] [1. Refuse the game, the player dies] [2. Touch the black mist, the player dies] [3. Clear the game to have supplies] Horrible zombie crisis; virus flu in closed cities; extreme high temperature weather; who whispers at night?language; the horrible evil hiding in the zoo... In order to survive in the game, Chu Yi'an recognized an NPC...