Marc Laidlaw called it a career after 18 years with Valve, beginning with 1998's Half-Life. One of the biggest indicators that Half-Life 2: Episode 3 isn't happening, aside from the fact the thing isn't, you know, out, is that the developer who wrote all of the games preceding it retired in January.
The posture changes from 'we're still working on it, of course,' to a very strict 'we have nothing to say about Half-Life.' At least in this video's chronology, the last time Newell was on camera saying the game was even still in development was with Geoff Keighley in 2009. Ten years ago, Valve was even happy to give the game a launch window -�� 'by Christmas 2007.' Perhaps not coincidentally, 2008 is when Newell starts clamming up about it.
Valve and Newell were, for a time, very happy to discuss plans for Half-Life 2: Episode 3. It's a compilation of interviews given and questions taken by Valve boss Gabe Newell in the decade since the infamous finale to the Half-Life trilogy was first announced.
No, numerologists of the Interwebs, this is not confirmation of Half-Life 2: Episode 3.