In 1986 the world was stunned by the largest nuclear accident in history. Twenty years later, history incredibly repeats itself. But this time it?s no accident. An unknown force is causing the Zone around Chernobyl to extend its deadly, radioactive embrace. Is the Zone a new frontier with incredible scientific discoveries waiting to be found?or a Man-made Hell that could mean the Beginning of The End? It?s up to you to find out in S.T.A.L.K.E.R. Shadow of Chernobyl.