Portal Cake
Amazon UK
portal

The 'Portal' cake is not a lie ... almost

Oculus
Devin Coldewey / NBC News
oculus rift

 'Team Fortress 2' gets virtual reality mode 

Left 4 Dead and Resident Evil
Left 4 Dead and Resident Evil
left-4-dead

Zombie worlds for 'Resident Evil' and 'Left 4 Dead' collide

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Piston computer
Xi3
valve

Valve working on Steam Box gaming hardware and biometrics-based controls

Portal turret
Valve
valve

The Portal turret is now real (run for your life)

Black Mesa
Dabe Alan/Penny Arcade Report
valve

'Black Mesa' remix: The men who modernized 'Half-Life'

Valve
Valve
dota-2

Make millions of dollars playing video games

Big Picture from Valve
Valve
valve

Move over Xbox, Valve is putting PC games on the TV

Big Picture
Valve
valve

Valve will put PC games on your TV this fall

Half-Life 2
Valve
valve

'Half-Life 3' is coming! Or not

The Matrix remade
LiveCurious95/Valve
source filmmaker

'The Matrix' film remade with video game characters

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Zachariah Scott
Zachariah Scott
portal

'Portal 2' gets an emotional new ending from fan

Steam Greenlight
Valve
steam

Steam Greenlight lets community choose game launches

Source Filmmaker
Valve
valve

Valve turns gamers into filmmakers

Portal 2
Valve
portal-2

'Portal 2' game teleports to the classroom

Portal: Terminal Velocity
Jason Craft
portal

Real-life Portal gun opens up trouble

Faked Half-Life 3 logo
Black Aperture
games

Valve sequels won't be announced at E3 this year

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U.S. President Barack Obama returns to the White House in Washington, after a two-day trip promoting his energy policy
sony

Steam hacking details emerge

valve

Steam game service hacked, credit card theft investigated

gamescom

Valve goes heroic with first 'DOTA 2' trailer