The first patches are now available for S.T.A.L.K.E.R.: Clear Sky, updating GSC Game World's first-person shooter prequel to version 1.01. There is one patch for the retail edition of the game and another for the digital download edition, and both can be found on the Clear Sky Downloads Page. Word is: "Here you can find the patch V1.01 of S.T.A.L.K.E.R.: Clear Sky. The patch optimizes the performance of Clear Sky approximately 5 %. In addition to that the patch improves the overall stability of the game and fixes potential load/save issues. Further the balancing of the multiplayer mode has been changed." Thanks YiYas.