Zork Trilogy is a slightly modified and cut down version of the mainframe
game dungeon created in at MIT. As the home computers of the time where
not capable of running dungeon, so it was cut up into three parts: The
Great Underground, The Wizards of Frobozz and The Dungeon Master. These
were originally released in 1980, 1981, and 1982 respectively.
Dungeon was written by Marc S. Blank, P. David Lebling, Tim Anderson and
Bruce Daniels. Then latter converted into The Zork Trilogy by Marc Blank
and David Lebling.
All three Zorks
where Text Adventure
or Interactive Fiction as Infocom called them, written in Z-Code version 1
then latter ported to versions 2, 3, and 5. Z-Code is basically a
programming language for a theoretical machine (the Z-Machine) so that it
may be run on any platform with the relevant Z-machine interpreter.
successful Zork Trilogy was the start of many great adventures of the Zork
series as well as an equally successful spin off series the Enchanter