An official trailer of Episode One is now available on a new website dedicated to Valve's first episodic release.
Episode One is the first in a series of four-to-six hour adventures that reveal the aftermath of Half-Life 2 and launch a journey beyond City 17.
In addition to the new single player campaign, Half-Life 2: Episode One also includes two multiplayer games: Half-Life 2 Deathmatch and Half-Life 1 Deathmatch.
It has been confirmed that Episode One will be available June 1st in retail outlets everywhere and via Steam for $19.95. Pre-purchase can be made at retail outlets now and via Steam beginning May 1, 2006.