Bletchley Park, 1942. A component from the Bombe machine, used to decode intercepted German messages, has gone missing. One of the cryptographers is waiting to be interviewed, under direst suspicion. Is he stupid enough to have attempted treason? Or is he clever enough to get away?
This link appeared first as a comment, then as a tweet, and finally now as a blog-post, which is all back to front. But this is archaelogy, which works downwards.
The short version is: presenting Kingdom Without End by Shannon Cochran, a multi-choice input game from 2001 about archaeology, that is perhaps the best example of CYOA written in a parser-IF style, and not only that, it’s a damn fine piece of work too.