As part of the release of Zork Grand Inquisitor, Activision released Zork II as freeware. (Currently the links to download the game are dead at activision.com, but the game is available at numerous fan sites.) Add
Did You Know?
(From The New Zork Times Vol.3 No.2 Spring 1984)
Some statistics about Zork 2:
Apparent number of rooms (those seen by the player): 81
Number of rooms: 86 (for various arcane programming reasons, some locations are inaccessible to the player)