But in those three years, three separate STALKER entries were released. STALKER: Shadow of Chernobyl was the groundbreaking first foray into the Zone, STALKER: Clear Sky was a prequel, and STALKER ...

Many pivotal decisions in STALKER 2: Heart of Chornobyl ... Skif can loot Nimble to find Professor Kalancha's Map, which will point him towards Clear Sky. Other than that, though, Nimble's loot ...