This is the download for S.T.A.L.K.E.R. Anomaly 1.5.1 - the final version of the 1.5.x update series. Do NOT install this on top of older 1.5.0 versions, use a new, empty directory instead.
Call of Chernobyl 
You will play as a stalker who went to the Chernobyl Exclusion Zone in search of adventure. On your way there will be many tests, various tasks and stories. The zone was empty, and there were even more mutants and zombies.
Politics can be tricky in the Zone. With nine different factions vying for control, relations between them are constantly in flux. Alliances can be made and treaties can be broken.