Throughout the game, a mysterious figure known as the G-Man regularly appears, apparently monitoring Freeman's progress. The game is set during May 200- in a remote area of New Mexico, USA at the Black Mesa Research Facility a fictional complex that bears many similarities to both the Los Alamos National Laboratory and Area 51.Īs Freeman tries to make his way out of the ruined facility to find help for the injured, he soon discovers he is caught between two sides: the hostile aliens, and the Hazardous Environment Combat Unit, a military force dispatched to cover up the incident - including eliminating Freeman and the rest of the Black Mesa Science Team. After an experiment that goes horribly awry when an unexpected Resonance Cascade (an apparently completely fictitious occurrence) rips dimensional seams that devastate the facility, Gordon must fight to escape the now alien-infested facility as creatures from another world - known as Xen - subsequently enter through these dimensional seams. Gordon Freeman, a recent MIT graduate in theoretical physics, and also a recent employee at Black Mesa. In Half-Life, players assume the role of the protagonist, Dr.