Source.
Black Mesa is a re-envisioning of Valve Software's seminal classic Half-Life. Black Mesa EU (without HR/RS/CH) Steam Altergift Expect tremendously detailed environments, old-school tough-as-nails combat, and a gripping story with memorable characters.This is Half-Life the way it was meant to be played! Think. Gordon Freeman and his unforgettable journey through the Black Mesa Research Facility have been lovingly re-created to capture the full spirit of the original game, without 1998's graphical limitations.