The game area is composed of many remodeled areas featured in Shadow of Chernobyl, including the Chernobyl Nuclear Power Plant.
The gameplay of S.T.A.L.K.E.R.: Clear Sky is mostly reminiscent of that of Shadow of Chernobyl, but benefits from a new set of features with the new engine. What new challenges await stalkers within the depths of the new zone? Why do anomalous outbursts continue to rattle the Zone, and what can be done to stop them? Which faction will take the upper hand in the Factions War? These and many other questions will be answered in the official prequel – S.T.A.L.K.E.R.: Clear Sky. The main character experiences the key role in the events that led to the creation of the Zone right up to the point from which the original S.T.A.L.K.E.R.
The protagonist is a mercenary who appeared at the edge of the opposition between stalker factions, Strelok and even the Zone itself. There are no more old enemies or friends – now, everyone watches out only for themselves.
