Comrade Sukhov and stalker's quest

A legendary comrade Sukhov decided to become a stalker. All that might be alright, to pass 3 roads is a usual thing for him. But the roads are guarded by the clan gunmen who do not like foreigners on their territory. That's why Sukhov has to fight back the gunmen-kamikaze and their defense equipment. Only the civilians have chance to stay alive. You will have to pass 9 levels with more and more strong enemies. Only the true stalker will not leave the task unfinished.