www.uploadvr.com/hal...
"Rather than commission Cloudhead Games to make a 15-minute Portal-themed demo, why not a 15-hour Portal-themed game?"
I can neither confirm nor deny that this conversation happened. IF it did, it certainly would have been cool huh? Probably even good/great for VR growth.

Valve Hasn't Released A VR Game In 5 Years, And That's Not OK
Half-Life: Alyx released five years ago. Here's David Heaney's new editorial arguing that Valve's commitment to VR content just isn't good enough.