Half-Life 2: Episode One brings you the new adventures of Gordon Freeman and his able sidekick Alyx. At the end of Half-Life 2, you did critical damage to the Citadel. The whole place is going to go up, taking out City 17 and what's in its immediate radius. In this expansion, Gordon and Alyx are leading the flight from the city -- and getting up cl ...Read Moreose and personal with some of the creatures and sights from the Half-Life 2.

How long is Half-Life 2: Episode One?
When focusing on the main objectives, Half-Life 2: Episode One is about 3½ Hours in length. If you're a gamer that strives to see all aspects of the game, you are likely to spend around 5 Hours to obtain 100% completion.