The critically acclaimed first-person shooter for the PC comes to the PlayStation 2, improving on the gameplay, graphics, sound, and depth of its captivating storyline. You are Gordon Freeman, a young researcher at the Black Mesa Federal Research Facility. When aliens invade the facility, you have to fight for your life and save the earth. Using real-world weapons as well as top-secret and alien weaponry, you'll make your way through an increasingly precarious web of intrigue and interstellar conflict. Thi...