However, this game seems distinct enough to deserve its own entry, being described by Jason Dyer in his All the Adventures project as "...like — the author played Adventure, liked it, had some notes — then decided to write his own game from scratch, riffing off his notes but filling in the gaps with his own imagination."
The game was written in CDC Pascal by George Richmond, with some help from Mike Preston. The original program, ran on a CDC NOS mainframe system.
The source code and documentation is available from Arthur O'Dwyer's GitHub. A Windows executable is hosted on Dropbox (backup link).
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Different enough from the original Advent to merit a play through for old schoolers. A nasty maze.