No press allowed at the newly-announced Valve-hosted Steam Dev Days conference happening in Jan 15-16 in Seattle. For $95, game creators get to talk shop, check out Steam OS, prototype Steam Machines and more. But if they announce Half-Life 3 there (they won't), how will anyone know? (Twitter, probably).

Considering the fact that it's a fan-made short put together for under $500, Portal: Survive has some truly…

When Valve officially announced their Steam Machines two weeks ago, they skimped a bit on the details—we know that…
A pretty appropriate take on the stages of a Soldier character in Team Fortress 2. Starting off with a Tour of Duty ticket, it only takes three steps to reach the level where you'd probably have to sell your soul for further progress. Read more
Looks like that Half-Life 3 trademark filing that got everyone's dander up earlier this week was bogus. It's been removed from the Web site for the European Union's trademarks office. Read more
Valve's first Steam Machine—the one they'll be sending out to 300 beta users later this year—will be a…
Steam is a fantastic service—of that, there's no doubt. It's so good, that many PC gamers use it as a filter of…
If you regularly frequent Reddit, or NeoGAF, or Kotaku's tips inbox, you've probably seen people talking about Half-L…
If Gabe Newell laid down some real talk: then maybe he'd say some of the things in this fake but hilarious open letter written by Dorkly about Half-Life 3.
We don't have a Steam Controller to put in your hands, but we do have this to share, via Sketchfab user Mestaty.…

Star Fortress is only in pre-alpha, the devs kicking the tyres to see how stuff works, but already it looks…
Game creators who have tried Valve's unusual new game controller tell Kotaku that the device holds a lot of promise.…
Xi3, the company making the mysterious Valve-backed "Piston Console," says that it will be revealing more…

Valve is not the type of company to go unnoticed—it shouldn't be surprising, then, that online gaming communities…
We've got the operating system, we've got the hardware, and now we've got the human interface device. The third…
Here's a silly GIF about trying to read too much into Valve's three announcements this week—it's what happens when…
Three hundred lucky gamers will get their hands on Valve's Steam Machine prototype this year, and we want to make…
Hope you weren't too attached to the name "Steam Box"—Valve is partnering with various companies to release hardware…
Steam is getting its very own operating system, Valve announced today. It'll be a combination of Steam's current…