Half-Life 2: Episode Two will be the second installment in a series of episodes for the 2004 first-person shooter computer game Half-Life 2, from Valve Corporation.

Continuing with Valve's method of orienting each episode around a particular theme or set of technologies, Episode Two will focus on expansive environments, travel and nonlinear play, and, following the closing events of Episode One, it will see Gordon Freeman and the series' other major players moving away from City 17 to the surrounding wilderness.

Source: Wikipedia Article Release Date: 10/10/2007