I saw some links to articles about Zork on HN and thought people here might be interested:
- https://www.filfre.net/2012/01/exploring-zork-part-1/
- https://www.filfre.net/2012/01/exploring-zork-part-2/
- https://www.filfre.net/2012/01/exploring-zork-part-3/
- https://www.filfre.net/2012/01/the-roots-of-infocom/
- https://www.filfre.net/2012/01/the-birth-of-infocom/
- https://www.filfre.net/2012/01/zil-and-the-z-machine/
- https://www.filfre.net/2012/01/selling-zork/
There’s also an article there on Ultima IV:
https://www.filfre.net/2014/07/the-road-to-iv/