The "Ray of Hope" modification is the dream of the most in the S.T.A.L.K.E.R.'s community, it's like the name says. This mod gives you the possibility of surviving in the zone with your team-mates, with not only NPC, but also other players.
Come in stalker, and take a look of the these!
DAMN that's gorgeous! When I looked at it I thought it was a real photo for a second, great work guys :)
Too great for xRay!