Those who have been subjected to prolonged exposure to emitters on the "Yantar" or some other sectors. Reckless stalkers quickly go crazy, turning into stray half-corpses. A lot of them roam around the Zone, some even get to the perimeter. One way or another, it is already impossible to help them: the process of personality destruction is irreversible. Although zombie stalkers can still use their weapons, they are pretty stupid. At the meeting, you can hear how they scrabble fragments of phrases under their breath - which, however, are completely meaningless. Over time, the zombie stalkers finally lose all their previous skills and turn into zombies. As a rule, they are very aggressive and, with considerable congestion, pose a serious threat.