What people loved most about GSC Game World's S.T.A.L.K.E.R. franchise were the lonely, post-apocalyptic landscapes that the game let you wander through. But S.T.A.L.K.E.R.'s dead now and things are going to be different in the world being built by the former developers of that franchise won't be quite as sparsely populated.
As previously reported, members of the GSC Game World team have reformed as Vostok games and are working on a new free-to-play online shooter called Survarium. Why didn't they make a new single-player game, with all the acclaim they received for the S.T.A.L.K.E.R. franchise? An article at Gamasutra quotes project manager Ruslan Didenko, who says: