Something's wrong with the Mac OS version. At the start of the game when it asks you if you want voices or not, choosing either of them will give me an error message.
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It's likely this mechanism: https://lapcatsoftware.com/articles/app-translocation.html
I.e. the fix is to first unarchive the game, and then move the game files again, using Finder. That seems to clear some quarantine flag.