Milliways: Infocom's Unreleased Sequel to Hitchhiker's Guide to the Galaxy - Waxy.org
http://waxy.org/2008/04/milliways_infocoms_unreleased_sequel_to_hitchhikers_guide_to_the_galax
"From an anonymous source close to the company, I've found myself in possession of the "Infocom Drive" — a complete backup of Infocom's shared network drive from 1989."