Home News S.T.A.L.K.E.R.: Clear Sky Lack of CD keys causes S.T.A.L.K.E.R.: Clear Sky US recall News by Patrick Garratt Founder & Publisher (Former) Published on Aug. 30, 2008 Follow S.T.A.L.K.E.R.: Clear Sky According to Shacknews, S.T.A.L.K.E.R.: Clear Sky's been delayed "a few days" in the US, as copies shipped to stores have been recalled. The problem, says Bluesnews, is that initial shipments didn't contain CD keys. Clear Sky was supposed to release on September 5.