2020 年 1 月 21 日
Half-Life - Valve
Half-Life: Alyx is coming in March, and we are celebrating early by making all games in the Half-Life Series FREE to play for Steam users, from now until the day it launches!

If you already have Steam installed, you can click the following links to start playing now!
Half-Life
Half-Life 2
Half-Life 2: Episode One
Half-Life 2: Episode Two

If you don't have Steam, you can download it here.

Half-Life: Alyx is set before the events of Half-Life 2 and the episodes, but the games share characters and story elements. The Half-Life: Alyx team believes that the best way to enjoy the new game is to play through the old ones, especially Half-Life 2 and the episodes, so we want to make that as easy as possible.



2016 年 2 月 5 日
Half-Life 2 - Valve
Now through February 12th, shop the Steam Lunar New Year Sale for great deals on thousands of games!* Check back every day to see new front-page features, or follow the Lunar New Year adventure story to explore the Steam catalog.




*Discounts end February 12th at 10am Pacific unless otherwise listed.
Half-Life 2 - Valve
Save 75% on Half-Life 2 during this week's Midweek Madness*!

1998. HALF-LIFE sends a shock through the game industry with its combination of pounding action and continuous, immersive storytelling. Valve's debut title wins more than 50 game-of-the-year awards on its way to being named "Best PC Game Ever" by PC Gamer, and launches a franchise with more than eight million retail units sold worldwide.

NOW. By taking the suspense, challenge and visceral charge of the original, and adding startling new realism and responsiveness, Half-Life 2 opens the door to a world where the player's presence affects everything around him, from the physical environment to the behaviors even the emotions of both friends and enemies.

The player again picks up the crowbar of research scientist Gordon Freeman, who finds himself on an alien-infested Earth being picked to the bone, its resources depleted, its populace dwindling. Freeman is thrust into the unenviable role of rescuing the world from the wrong he unleashed back at Black Mesa. And a lot of people he cares about are counting on him.

*Offer ends Thursday at 4PM Pacific Time

2012 年 9 月 3 日
Half-Life 2 - Valve
Today's Deal: Save 66% off Half-Life 2!

Look for the deals each day on the front page of Steam. Or follow us on twitter or Facebook for instant notifications wherever you are!

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