A seasoned Free Stalker tasked with guiding a band of Mercenaries deep into The Zone to investigate a paranormal radio signal. Based on the S.T.A.L.K.E.R. video-game series by G.S.C. Game World.潜行者(📮)：禁区阴影潜行者：禁区阴(🥍)影潜行(🚿)者：(🥧)禁区阴影