GDC 2015: Valve is not secretly showing Portal 3 on the HTC Vive

Sorry folks, no ninja game releases from Valve have been released this GDC. It's easy to mistake the HTC Vive demo for Portal 3 - after all, where else can you find those familiar robots? But nope, it's just a demo cooked up by the talented Seattle staff called Aperture Science. We attended a Valve panel called "Advanced VR Rendering" which showed off a soundless example demoing the technical aspects behind the VR graphics used to make the demo. If you need more proof, Valve director o