At night, not only bandit groups can become active in the city, but also dark forces living underground and emerging to the surface with sunset. The young man comes home from his friend. In the street it is very dark and he does not look back to his entrance until he heard behind his back someone's suspicious steps. He did not have time to recover, as a small group trying to attack a zombie! It is better to fight off this dangerous group until they passed the virus 600 Seconds To Survive, which dominates in the distant times of chaotic phenomena. Help to brush aside the man, using his fists.