Gamescom 2017 schedule guide
All streams and news as it's announced in one place.
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Chet Faliszek has left Valve
Portal writer Erik Wolpaw has left Valve
This Portal-themed HoloLens mod is a triumph
How Valve found Portal
Portal 2 and Left 4 Dead receive Xbox One backwards compatibility
Former Valve employee is suing the company for $3.1m
Rocket League gets free Portal DLC tomorrow
Valve's virtual reality headset Vive gets "limited release" in 2015
Steam hardware pre-orders score free Rocket League and Portal 2
Video: The best end songs ever
Video: Portal Stories: Mel isn't Portal 3, but it could be
Professional-looking mod Portal Stories: Mel is due tomorrow on Steam
Looks like there will be a Portal level pack for Lego Dimensions
Watch Valve's HTC Vive VR Rezzed developer session
Stunning-looking Portal 2 mod may be the closest we get to Portal 3
Portal 2 improves brain training more than software designed for that, says science
Steam Music Player lets you listen to your music while you play
Valve-licensed Portal 2 mod doesn't use the portal gun
Valve developed the upcoming Portal board game
GLaDOS teaches fission and fusion for NASA
Portal 2's Move-based In Motion DLC gets a free co-op campaign
"The first anyone had seen publicly of Portal 2 was relayed over this modem from 1987 from my kitchen"
Valve has been measuring people's sweat while they play games
J.J. Abrams and Gabe Newell want to collaborate on movies, games
Portal fan film director to helm big-screen Y: The Last Man project
GLaDOS voice in new Guillermo del Toro film
Portal 2 PC finally gets split-screen co-op
COD Black Ops: Declassified costs £45 on EU PlayStation Store
Portal 2 In Motion PS Move DLC campaign hits EU PSN next week
Portal 2 In Motion DLC due next week on PlayStation 3
EA Black Box
EA Danger Close
EA Bright Light
Rock, Paper, Shotgun