The intense, real-time gameplay of Half-Life 2 is made possible only by Source®, Valve's new proprietary engine technology.

And a lot of people he cares about are counting on him. Freeman is thrust into the unenviable role of rescuing the world from the wrong he unleashed back at Black Mesa.

The player again picks up the crowbar of research scientist Gordon Freeman, who finds himself on an alien-infested Earth being picked to the bone, its resources depleted, its populace dwindling. By taking the suspense, challenge and visceral charge of the original, and adding startling new realism and responsiveness, Half-Life 2 opens the door to a world where the player's presence affects everything around them, from the physical environment to the behaviors even the emotions of both friends and enemies. Valve's debut title wins more than 50 game-of-the-year awards on its way to being named 'Best PC Game Ever' by PC Gamer, and launches a franchise with more than eight million retail units sold worldwide. HALF-LIFE sends a shock through the game industry with its combination of pounding action and continuous, immersive storytelling.

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