S.T.A.L.K.E.R.

S.T.A.L.K.E.R. is owned by GSC Game World / Sergei Grigorovich, headquartered in Ukraine. No. The ultimate owner of S.T.A.L.K.E.R., GSC Game World / Sergei Grigorovich, is headquartered in Ukraine, not in the United States.

GSC Game World is a private Ukrainian video game developer based in Kyiv (and relocated to Prague), best known for the S.T.A.L.K.E.R. and Cossacks franchises.

GSC Game World Czech s.r.o. (Czech headquarters for development)