STALKER: Shadow of Chernobyl was the groundbreaking first foray into the Zone, STALKER: Clear Sky was a prequel, and STALKER: Call of Pripyat was a sequel set just weeks after the first game.

Last week, STALKER developer GSC Game World shadow dropped ports of all three of the games in the original STALKER trilogy — 2007's Shadow of Chernobyl, 2008's Clear Sky, and 2010's Call of ...