Zork was programmed by Tim Anderson, Marc Blank, Bruce Daniels and Dave Lebling, who were then students at MIT.
The game was inspired by Colossal Adventure. The first version was released in 1977, and work continued until 1979.
This game later formed the basis of Zork I-III, but the latter two in particular were greatly extended.
Read the detailed (and very entertaining) story about the game's creation.
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