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.

If you're one of the few Steam users who still doesn't own Half-Life 2, now is your chance to add Valve's blockbuster first-person shooter to your ...

Valve Corporation have made Half-Life 2 available totally free on Steam this weekend as part of the game's 20th Anniversary ...

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 ...

Based on Hugh Howey's best-selling novels, the series stars Rebecca Ferguson as an engineer on a mission to uncover the truth ...