The scenario for the adventure is meant to be vague. Once the adventure has been completed, the scenario will hopefully become clear.
Originally written in BASIC for the TRS-80.
The later (1988) version 2.0 of the game was ported using Turbo C to MS-DOS. An additional version, 2.0p, was produced for other C compilers, and versions have been built for Sun-3 (Solaris), Apple II and Atari ST etc.
Andrew Plokin ported the game to Inform 6 in 2003. David Welbourn has produced a guide to this version.
David Lo wrote:
The idea of a mathematically abstract adventure came about during the summer of 1983, when I was reading the book "Godel, Escher, Bach: An Eternal Golden Braid". I had just read an article on writing adventures, and I thought about doing my own article on adventure writing. I did start on the article, and one of the examples of how varied puzzles can be is a mathematical adventure where the player has to "use a probability function to cross a field of improbability to get to a vortex." Sadly the article was never finished, although remnants of it can be found in the ADV.DOC file. I started thinking more and more about a mathematically abstract adventure, and Tesseract was born!
The very first adventure that I wrote was in 1982, titled "Hall of the Mountain King" (find the Crystal of Light). Tesseract Version 1.0 was the second of the three TRS-80 BASIC adventures that I wrote in a two-month adventure-frenzy during the summer of 1983. The first was "Project Triad" (defuse the bomb on the space station), and the third was "Codename Intrepid" (deliver a package to another agent).
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