S.T.A.L.K.E.R: Shadow of Chernobyl ( and Call of Pripyat) have been gaining ground for years as PC cult-classics. The following was enough to inspire the developer, GSC Game World to announce a sequel last year. Since then, new about S.T.A.L.K.E.R. 2 has been scarce, but the developer finally dropped a bunch of new information a…