You have since learned from Black Mesa survivors that these military forces, which are operating under the instructions of an unknown government official, have in fact abducted lead science personnel from the Research Facility and are holding them against their will in Black Mesa Central Command. When you receive word from your captive fellow scientists, you discover thatyour colleagues are being imminently flown to a secret remote location where, as your worst fears are realised, they will be coerced at gunpoint to begin building a weapon of mass-destruction based on the teleportation technology developed at the Black Mesa laboratories. With an increasing number of people sighting strange alien creatures in populated areas, more and more people are beginning to realise that the government’s story is not quite the truth, the whole truth, and nothing but the truth. As the situation continues to get further out of hand, the government is taking increasingly more desperate measures to hide the truth about what has happened at the Black Mesa Complex. With the military evacuation of Black Mesa almost complete, rumours abound of terrifying government plans to destroy the complex. Can you reach the scientists in time to rescue them and escape to expose the government cover-up? Time is running out …