Trinity by Brian Moriarty 1986 Tags matched: advanced difficulty (92 ratings)

Spider and Web by Andrew Plotkin 1998 Tags matched: advanced difficulty (280 ratings)

The Hitchhiker's Guide to the Galaxy by Douglas Adams and Steve Meretzky 1984 Tags matched: advanced difficulty (173 ratings)

Curses by Graham Nelson 1993 Tags matched: advanced difficulty (122 ratings)

Sorcerer by Steve Meretzky 1984 Tags matched: advanced difficulty (54 ratings)

Spellbreaker by Dave Lebling 1985 Tags matched: advanced difficulty (47 ratings)

Stationfall by Steve Meretzky 1987 Tags matched: advanced difficulty (40 ratings)

Christminster, by Gareth Rees (1995)
Tags matched: advanced difficulty
(78 ratings)

Gateway by Mike Verdu, Michael Lindner, and Glen Dahlgren 1992 Tags matched: advanced difficulty (35 ratings)

Suspended by Michael Berlyn 1983 Tags matched: advanced difficulty (39 ratings)

Zork II by Dave Lebling, Marc Blank 1981 Tags matched: advanced difficulty (85 ratings)

Zork III by Dave Lebling, Marc Blank 1982 Tags matched: advanced difficulty (68 ratings)

Little Blue Men by Michael S. Gentry 1998 Tags matched: advanced difficulty (62 ratings)

Zork Zero by Steve Meretzky 1988 Tags matched: advanced difficulty (52 ratings)

Beyond Zork by Brian Moriarty 1987 Tags matched: advanced difficulty (44 ratings)

Starcross by Dave Lebling 1982 Tags matched: advanced difficulty (47 ratings)

Spellcasting 101 - Sorcerers Get All The Girls by Steve Meretzky 1990 Tags matched: advanced difficulty (24 ratings)

Deadline by Marc Blank 1982 Tags matched: advanced difficulty (47 ratings)

Bureaucracy by Douglas Adams, The Staff of Infocom 1987 Tags matched: advanced difficulty (43 ratings)

Corruption by Rob Steggles, Hugh Steers 1988 Tags matched: advanced difficulty (17 ratings)