Definitive Edition [codex] [updat... | Black Mesa:

You play as , a theoretical physicist at the Black Mesa Research Facility. Your day starts like any other—late for work, put on your Hazard Suit (HEV), and head to the Test Chamber. However, when you push a crystal sample into the anti-mass spectrometer, it triggers a Resonance Cascade . The Incident

Upon defeating the Nihilanth, Gordon is "hired" by the mysterious , an interdimensional bureaucrat who has been watching his every move. Gordon is placed into stasis, setting the stage for his return years later in Half-Life 2 . Black Mesa: Definitive Edition [CODEX] [Updat...

In the Definitive Edition , this segment is fully reimagined into a massive, lush, and alien landscape. Gordon confronts the Nihilanth , the entity keeping the rift open between worlds. The Conclusion You play as , a theoretical physicist at