Valve is celebrating Left 4 Dead 2's 15th birthday by making it free-to-play this weekend, alongside a massive Steam sale at the same time.

Valve is celebrating Half-Life 2's twentieth anniversary, launching a documentary, a significant game update, and making the ...

And best of all, Valve has made Half-Life 2 (which now includes all the Episodes) totally free for the next three days. You ...

In a refreshing change from the status quo, Epic has officially given gamers permission to download archived copies of ...