S.T.A.L.K.E.R. 2: Heart of Chornobyl - Stalkers! Patch 1.3 has arrived! : actualités Steam
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The nature of the game is also not necessarily mainstream friendly at it's core. Fans of the series love the lack of fast travel and the long, tense walks between locations for literally 20 minutes at a time with nothing much happening (I am one of those fans). But I can't pretend that's not an acquired taste at the very least.