German website PCGH has some new DX10 screenshots and video from S.T.A.L.K.E.R.: Clear Sky, the prequel to the irradiated first-person shooter S.T.A.L.K.E.R.: Shadow of Chernobyl. The game will hit the store shelves on August 29, 2008, and will be published by the games labels Deep Silver and GSC World Publishing.