Half Life 2 Xbox Xbox
Next generation co-op action gaming from the makers of Half-Life, Portal, Team Fortress and Counter-Strike. AI Director 2.0: Advanced technology dubbed "The AI Director" drove L4D's unique gameplay - customizing enemy population, effects, and music, based upon the players' performance. L4D 2 features "The AI Director 2.0" which expands the Director's ability to customize level layout, world objects, weather, and lighting to reflect different times of day.
1998: Half-Life sends a shock through the game industry with its combination of pounding action and continuous, immersive storytelling. 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. Now: Half-Life 2.