Half-Life 2: Episode One Gameplay Walkthrough Full Game (4K 60FPS) - No Commentary

Half-Life 2: Episode One is the first expansion of Half-Life 2, developed by Valve and released in 2006. The game continues the story of Gordon Freeman and Alyx Vance as they escape from City 17 after the destruction of the Citadel. Featuring improved AI, enhanced physics-based gameplay, and a more personal narrative, Episode One deepens the Half-Life universe while setting the stage for the next chapter in the series.