Interesting, it's actually refreshing to know that even today, the "optimal start" can vary a fair amount. The comment about cows being required was somewhat tongue in cheek - given how many games are in the list, odds are a cow-free 20K city would be there - but I didn't expect a recent one to be so readily found, either.
After running it through my BIQ compressor, and looking at the headers in a hex editor, I can see that its version indicates it's a Play the World save. Not sure why that mismatches with what the HOF reports; the write-up mentions a PTW 20K Deity (C3C Demigod) attempt, but I don't see the writeup saying either way for this one.I sometimes get an error message similar to this when trying to load some saves: