2 days ago
Made it through the first two video chapters and will certainly finish later on.
For a lot of similar material in coffeetable book format, there is a concept art book; searching around suggests that it is "Half-Life 2: Raising the Bar". My beloved copy is buried somewhere deep in storage, but it is a prized possession.
E: Turns out this book has gotten pretty rare, and a re-print with added content was announced as part of all of these updates.
a day ago
Has it really been 20 years? The days are long. But the years are shorter. Still holding my breath on HL3. VR releases don't count.
2 days ago
Is this from the Secret Tape crew (NoClip)? The 25th Half-life 1 documentary was done by them.
2 days ago
There is another submission here[0] with a lot more traction and discussion that provides better context. There was a content update, complete with a promotional webpage and such .. which also answers that, yes, Secret Tape did this documentary as well.