Zork

Zork is a text-based adventure game, first released in 1977 by developers Tim Anderson, Marc Blank, Bruce Daniels, and Dave Lebling for the PDP-10 mainframe computer. It was expanded by the original developers and others as Infocom and split into three titles—Zork I: The Great Underground Empire, Zork II: The Wizard of Frobozz, and Zork III: The Dungeon Master—which were released commercially for a variety of personal computers beginning in 1980.

You’re on the threshold of a whole new experience, for ahead of you is the extraordinary anthology of the Great Underground Empire. Once you step through the door to Zork, you leave the world of arcade games and trite fantasies behind and enter the dimension of your imagination. Every plot, every puzzle, every personality has been honed and perfected to make your experience uniquely realistic and involving. The Zork saga is text adventuring at its finest. Welcome to the Underground. Your greatest challenge lies ahead – and downwards.