In two parts. This single story was sold as a double pack labelled casebook #3 & #4 as part of the CodeWriter "Ready to Run" series of programs.
The game tries to get around the memory limitations of the platform in an interesting way. In part one you are free to wander around and make a detailed map, but cannot interact with the environment. In part two, the location descriptions are removed but you can now solve the adventure.
Originally listed here with a 1986 release date, the game packaging & magazine references show the release date was actually 1985.
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