The game follows the adventures of Gordon Freeman, a young research associate at the Black Mesa Federal Research Facility. A typical day at the office goes completely awry as numerous alien life forms invade the facility. The fate of the facility, and quite possibly the world, is in the hands of an unlikely hero.

How long is Half-Life?
When focusing on the main objectives, Half-Life is about 12 Hours in length. If you're a gamer that strives to see all aspects of the game, you are likely to spend around 15½ Hours to obtain 100% completion.