A machine, a Shadow Machine.
On forum: 11/14/2007
Is this what you are looking for?
Might only be for CS, not sure. I suppose it could be adapted to any Stalker game.
That novice stalker in the Metro gas mask looks pretty cool. Do you think that feature would work in SHOC?
STALKER Rebalanced v1.2
An Evolution in Stalker Gameplay