Zork is a text adventure game first released in 1977 by developers Tim Anderson, Marc Blank, Bruce Daniels, and Dave Lebling for the PDP-10 mainframe computer. The original developers and others, as t
The Z-machine is a virtual machine that was developed by Joel Berez and Marc Blank in 1979 and used by Infocom for its text adventure games. Infocom compiled game code to files containing Z-machine in
Zork
…had the funds for only the computers. They ported the game to a new Zork Implementation Language (ZIL), which would then be run on a standardized "Z-machine" software-based computer. For each type of microcomputer they wanted to release Zork or other ZIL-based games on, they could write an interpreter program…
An implementation of Frotz running on an iPhone, playing the MIT version of Zork.