Test your PC for VR-readiness with Valve's Portal Demo
Valve considered Portal for VR, but quickly realized it wouldn't work | VG247
Aperture Hand Lab on Steam
Valve are working to lower the graphics card requirements of VR – hold on to that GTX 680 | PCGamesN
Portal VR Moondust Demo Showcases Advanced VR Features - GameRevolution
This Free Portal VR Oculus Quest Clone Breaks Your Brain
Watch a clip of Valve's Source 2 Portal VR demo | PC Gamer
Valve Confirms 'Aperture Science' VR Demo is Not HTC Vive Exclusive – Road to VR
4 Videos That Take You Inside Valve's 'The Lab' – Road to VR
Aperture Hand Lab is a Portal-based tech demo for the Valve Index VR headset | PC Gamer
Valve Announces New 'Portal' VR Content Coming to SteamVR
Vertigo 2 Demo Hides Amazing Portal VR/Moondust Easter Egg
You can now watch a full playthrough of the Portal VR demo – Destructoid
Valve is developing three full-length VR games in Unity and Source 2 | Ars Technica
Portal Stories: VR on Steam
Valve release new Portal game… and you'll probably never get to play it | Metro News
Valve's bringing a “flagship VR game” and a Portal-themed experience to Index | PCGamesN
Review: Valve's The Lab for SteamVR | Rock Paper Shotgun
Valve Has a New VR Demo Set in the Portal Universe | USgamer
Portal Stories: VR - Portal Wiki
Valve Looked At Portal VR 'But We Didn't Get Very Far'
You can now see Valve's Portal VR demo in full | KitGuru
Portal VR: Watch Valve's Complete Vive Demo Here - MobiPicker
Here's what it's like to play Valve's VR 'Portal' experience | Engadget
