Combines the visceral action of legendary action games like Doom with great storytelling in the tradition of Stephen King. The game blends action, drama, and adventure with stunning technology to create a frighteningly realistic world where you need to think smart to survive. Throughout the game, both friends and foes behave in sophisticated and unpredictable ways. The intensity of the game also reflects the strong storyline, created by award-winning horror novelist Marc Laidlaw.The storyline takes you to the Black Mesa Federal Research Facility where a top secret project is underway. You play Gordon Freeman, a young research associate. You have limited security clearance and no real idea of just how dangerous your job has become, until the morning you are sent alone into the Test Chamber to analyze of a strange crystalline specimen. A routine analysis they tell you, until something goes wrong. Is it sabotage or an accident? Instantly, the entire Black Mesa Facility is a nightmare zone, with sirens wailing and scientists fleeing in terror from the creatures their co-workers have become.