Zork has a lineage the goes back pretty much as far as computer games go and it is one of the most prolific games in existence in terms of the number of platforms it was available for. The TRS-80 version was the very first commercial version available in 1980. But I'm getting ahead of things...
Zork is a text adventure game or Interactive Fiction as some like to call it. Essentially, it is an adventure game that is played entirely in text. Descriptions of events, the environment and objects in the environment are given as text and commands are issued as text. This was a briefly popular genre of games from when computers were more limited. The Zork series is perhaps the most popular though there were a number of other such games by Infocom and others throughout the early to mid 1980s and beyond.
Zork was inspired by the simpler Colossal Cave Adventure which was written in 1975 in FORTRAN to run on a DEC PDP-10. Like Colossal Cave, Zork (or Dungeon as it was originally called) was written to run on a PDP-10 but it was written using MDL (a LISP derivative). An ~512K version was runnable by 1977 and it was ported to TENEX/TOPS-20 which was an operating system than ran on various DEC mainframes. At this point, the game started making its way around the Arpanet (Internet predecessor) though enhancements and bug fixes would continue to be made until 1979.
Finally, the original developers decided to form Infocom and make Zork one of their first products. Since home computers didn't generally have FORTRAN compilers at this time, they decided to reimplement the game using a language they invented (Zork Implementation Language) and build interpreters for each machine. The first interpreter was completed in 1979. The first Zork release for home computers contained about half of the original locations. The remaining locations would be used for Zork II and III. Initially, Infocom made a deal with Personal Software, the same company responsible for VisiCalc, to distribute Zork and the TRS-80 version was the first version completed in 1980.
The original TRS-80 version was distributed in a clear plastic bag containing just the disk and a 36 page book (pictured above). This version is quite rare today. After Zork II came out and the original was re-released as Zork I, it came in the typical folio packaging Infocom was known for.
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We need more interactive fiction game discussion here. I personally loved Zork and lost more than a few weekend nights to Sorcerer. I had so much trouble with Hitchhiker's that it was not funny (it was more than slightly above my level of comprehension at the age of eight).
With Hitchhiker's Guide to the Galaxy, it helps to have read the book too :)
Yeah, that became apparent to me years after having tried playing it (and finally getting a copy of the book). Maybe some day I will return to that game, not sure yet. lol
I had Zork on the Commodore 64. Played that one for many days worth of hours. Also, have you seen that the Colossal Cave adventure game was rejuvenated recently - http://esr.ibiblio.org/?p=7570?
The Commodore 64 is where I played Zork also though I only every really played the first one. I also played Hitchhiker's Guide to the Galaxy a little but that was on a PC (DOS). I ran across a screen shot of a Windows version of Colossal Cave when I was searching for Zork stuff. Haven't tried it yet though.
I played colossal cave when I was like 10 years old on a relative's TTY connection to their corporate main frame. I can't imagine how much paper I went through. Forgot all about it, but then I stumbled across it again on some Sun systems my own employer had in the nineties, and I'd play for a while when work was slow, but hadn't seen it for years again. Now I downloaded and compiled the openadventure game when I read the announcement above, but haven't yet spent much time with it.
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