Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode action. Meet fierce opponents, and experiment with new weaponry.
CPU: Pentium 4 1.3GHz and Athlon XP 1600+ or better
Video Card: DirectX 8.1 level Graphics Card and DirectX version: 7.0 or better
Free Disk Space: 4.5GB