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.
Half-Life 2 is currently free on Steam, celebrating the 20th anniversary of Valve’s classic FPS. But while we’re not ones to ...
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 ...
Just like it did with the original Half-Life last year – celebrating the seminal first-person shooter’s 25th anniversary with a major update, a documentary, and a 100% off sale – Valve is celebrating ...