The episode was released both separately and as a part of a bundled package, The Orange Box. It was developed by Valve Corporation in tandem with Episode One, the first game in the series, and released in 2007 via Valve’s Steam content distribution platform.
Half-Life 2: Episode Two is a first-person shooter video game, the second episode in a series of sequels to the 2004 Half-Life 2. Gordon Freeman must race through a countryside riddled with an increasingly fierce Combine threat. Armed with new weaponry and vehicles, Dr. Half-Life 2: Episode Two is the second of a series of stand-alone episodes based on HL2, the popular and acclaimed shooter epic.