This is a traditional-style text adventure set in a sort of mathematical wonderland, populated by mathematician NPCs and puzzles based on physical manifestations of mathematical concepts. You can tell it comes from a place of deep love of the subject.
I was a decent math student. I made my way up through calculus, and was able to memorize and apply formulas, but I can't say that I truly understood the concepts underlying all of them. And that was 25 years ago. So this game was not exactly in my wheelhouse. I managed to solve some of the puzzles on my own, but there were more than a couple where I stood no chance without the walkthrough.
That's OK. A Beauty Cold and Austere is well-written, polished, and witty, with modern amenities and forgiving gameplay, even if the puzzles can be trying for math mortals. My favorite amenity is the ghost who can tell you if an object you're carrying is still useful. I would pay cash money to port this ghost over to a game like The Mulldoon Legacy.
My main complaints:
1) It takes too long to acquire the carryall. There's no reason to delay that, I don't think.
2) The game is several times the size of a normal comp game. Math majors might be able to finish it in four or five hours, but I doubt anyone could complete it in two. Near the end, it's possible to tap out early with what seems to be a successful ending, but it takes quite a while to get there. I would have liked a structure a bit more like Shuffling Around's, where you can get a successful ending within two hours, and then return after the judging period to explore the rest. Do enough to get a C, in other words, and come back later for extra credit.