The fan-made Half-Life themed graphic novel, Half-Life: A Place in the West, recently launched a Greenlight campaign to bring the comic to Steam as a standalone application.
Articles related to Steam Features
Black Mesa Developers Release ‘On A Rail Uncut’ As Steam Workshop Mod

Black Mesa Developer Chon Kemp, who we previously interviewed about his work on the upcoming Surface Tension Uncut update, has released the cut chapters of Black Mesa’s On A Rail chapter as a free mod for the Steam version of the game.
HTC Vive Demo Next Week to Be ‘Very Exciting’ and Followed up by ‘Valve Content Showcase’

Valve are doing a ‘content showcase’ in Seattle as a ‘follow up’ to HTC’s Vive demonstration at CES 2016, running 6th – 9th January 2016.
Could This Really Be Half-Life 3? Everything We Know So Far About the Steam Holiday Sale ARG

Latest Update: 4th Jan 2016, 15:30pm GMT
New potential clues have emerged relating to the arctic map from the comic, which we previously covered. Scroll down to point 8 for an update on this.
So there’s a Steam ARG going on, right now.
We don’t usually hop on the Half-Life 3 conspiracy bandwagon, but this is getting a little interesting to say the least…
Valve Enters the Retail Space – Here’s A Quick Look

Official Steam sections are appearing in retail stores across the US, UK and Canada. We took a quick look.
Valve Officially Launches Steam Hardware Lineup in North America and Europe

Just in time for the holidays, Valve have announced that they are officially launching their Steam Hardware range in the US, Canada, UK and Europe.
Steam’s Refund Policy Expands

Valve has made some updates to the Refund policy on Steam. Let’s have look, shall we? Maybe we can finally get our money back for Spore.
Game Developers Can Now Ban Players from Their Games on Steam

Valve is now allowing game developers to implement their own systems that can detect and also ban users from playing their games on Steam.
Black Mesa Multiplayer Maps Leaked?

Update: It appears that the Black Mesa Workshop is now publicly live and a new map ‘dm_tension’ has also been added. Earlier this week we also saw a strange countdown appear on the Black Mesa website, could this be part of whatever they are about to announce?
Several multiplayer levels from the popular Black Mesa modification may have just been leaked thanks to a glitch on the Steam Workshop.
Valve Removes Paid Mods from the Steam Workshop After Community Backlash – For Now

Valve have decided to revoke the ability for users to sell paid mods on the Steam Workshop after the feature received a negative reception from the gaming community.