http://totalgamingnetwork.com/content.php?495-Leaked-Images-Show-Off-Supposed-Source-Engine-2-Screenshot-and-Half-Life-3-Development

It seems as though there's been yet another leak from Valve over the past day. CBOAT from NeoGAF, got his hands on a presentation that shows off Source 2.0 in action.

http://totalgamingnetwork.com/content.php?231-More-Left-4-Dead-3-and-Source-Engine-2-Hints-Surface-After-Fan-Tour-of-Valve

A fan tour of Valve may have inadvertently revealed even more hints that the developer is working on Left 4 Dead 3 in "secret."

http://totalgamingnetwork.com/content.php?710-Valve-is-Testing-Counter-Strike-1-6-on-OSX-and-Linux-and-Wants-Your-Help

They're looking for people to help them test out the dedicated server. Everything about this is fresh, with a number of changes thrown in for good measure.

http://totalgamingnetwork.com/content.php?693-Gabe-Newell-and-J-J-Abrams-to-Give-Joint-Opening-Keynote-at-DICE-2013

They'll be giving a joint keynote together to kick off the 2013 D.I.C.E. Summit next month. Two giants in their industries just chatting it up. Yeah, we wish we were able to go too.

Half-Life 0 to some, Half-Life Alpha to others, and Half-Life v0.52 to even less... Whatever you call it, just know that it is now online and capable of being downloaded 15 years after it was first shown at E3 1997.

http://totalgamingnetwork.com/content.php?582-Download-Half-Life-0-Alpha-Build-of-the-Original-Half-Life-Appears-Online-After-15-Years