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bottomless pits and colonies of super bats that would pick you up and drop you at a random location (later versions added "anaerobic termites" that ate arrows, bat migrations and earthquakes that randomly changed pit locations).

This game appears to have been the first to use a non-random graph-structured map (as opposed to a rectangular grid like the even older Star Trek games). In this respect, as in the dungeon-like setting and its terse, amusing messages, it prefigured ADVENT and Zork and was directly ancestral to both (Zork acknowledged this heritage by including a super-bat colony).

There have been many ports including one distributed with SunOS, a freeware one for the Macintosh and a C emulation by ESR.

[Does "101 Basic Computer Games" give any history?]

Last updated: 2004-10-04

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y). Unfortunately for players, the movement necessary tot also byp (as opposed to a rectangular grid like

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