There’s a particular feeling when you’re wandering alone in S.T.A.L.K.E.R. 2: Heart of Chornobyl . Perhaps you’re squelching through wet, misty marshland, flanked by gigantic reeds. A dark purple sky of unbroken cloud takes up half of the screen; gigantic rusty machinery creates an odd and unnerving silhouette. You hear gunfire in the distance. The sound moves closer, followed by the unmistakable groans of a mutated beast. The sensation sharpens of being pitted against a wilderness that doesn’t