Amazing to see here that he was friends with the Firesign Theatre and considered collaborating with them.
Just imagine how surreal a a Nick Danger game by Cliff Johnson might have been!
You can download "The Fool's Errand" for free from the author's website. http://fools-errand.com/02-FE/index.htm You'll need to use an emulator to run them; the author provides links to free emulators, too.
It's totally worth it.
Wow,nostalgia overload as I recall how I used to play Fool’s Errand on my Mac SE as a kid.
The Fool's Errand is indeed a gem. A very long time ago I played the low-res color version on my PC, but I understand the proper way to play it is in its original, hi-res monochrome glory.