Dozens of movies with director's commentary come out every year, but video games have so little developer commentary in comparison.
A gameplay demo of the cancelled Portal prequel F-Stop using recreated assets features no portals, and a unique camera that duplicates items.
From GamesReviews:"Portal with RTX is a fresh look for the 2007 classic. But it's not easy to run, and the results may not impress everybody."
Portal RTX may look like a quant remaster, but that couldn't be further from the truth. It's one of the most demanding games available today.