Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine.

How long is Half-Life 2: Lost Coast?
When focusing on the main objectives, Half-Life 2: Lost Coast is about 23 Mins in length. If you're a gamer that strives to see all aspects of the game, you are likely to spend around 29 Mins to obtain 100% completion.