Half-Life 3 has been missing for 10 years now
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Valve Unveils SteamOS
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Steam's Early Access program launches with 12 games
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Steam Greenlight now has skip, follow, share, and stats options
Realm of the Mad God gives Steam some priceless, pixelated love
First free, now mobile: Portal maker blasts iPhone, Android with Steam
Free Team Fortress 2 turns 20 to 30 percent of players into payers
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Portal creator takes hint from Zynga, updates Steam with game, item gifting
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Steam goes social (and free) with Spiral Knights by Sega and more