Zork I (Microcomputer Version) by Infocom
Zork I (Microcomputer Version) (Solid-Gold Edition) by Infocom
Zork III (Infocom)
Zork II (Microcomputer Version) (Infocom)
Zork Zero: The Revenge of Megaboz, by Steve Meretzky of Infocom (1988)
Deadline by Marc Blank (Infocom)
Beyond Zork: The Coconut of Quendor by Brian Moriarty (Infocom)
The Restaurant at the End of the Universe (Incomplete, Unreleased) (Infocom)
The Interactive Fiction Virtual Machines Suite - in Javascript
Stationfall, by Steve Meretzky (Infocom)
The Lurking Horror, by Dave Lebling (Infocom)
Leather Goddesses of Phobos Gold Edition, by Steve Meretzky (Infocom)
Starcross by Dave Lebling
Wishbringer: The Magick Stone of Dreams by Brian Moriarty (Infocom)
James Cameron's The Abyss (Unfinished, Unreleased) by Bob Bates, Infocom
Spellbreaker (ARCHMAGE, MAGE, ZORK 6) by Dave Lebling (Infocom)
Leather Goddesses of Phobos, by Steve Meretzky (Infocom)