S.T.A.L.K.E.R.: Call of Pripyat:
S.T.A.L.K.E.R.: Call of Pripyat is a first-person shooter computer game by Ukrainian developer GSC Game World. The majority of S.T.A.L.K.E.R. Call of Pripyat’s gameplay focuses on a combination of both post-apocalyptic horror, as well as tactical role-playing action. Based on X-Ray Engine 1.6, it offers other DirectX 11 features along with real-time GPU tessellation.
We tested this game with ultra-preset and tessellation turned on.