[stevekemp]

There's a good three-part writeup starting here, covering Douglas and the game:

https://www.filfre.net/2013/11/douglas-adams/

For my money the "best" adventure game was and is The Hobbit, but that may well be because it's the first one I was haunted by.

Similar two-part writeup starts here :

https://www.filfre.net/2012/11/the-hobbit/

[glimshe]

The Hobbit had randomness and emergent gameplay in ways that even Infocom didn't quite reproduce. A classic.