Eh, a bonus game, by the same author...
Junior Arithmancer: https://ifdb.org/viewgame?id=pw1rbjt1t4n4n87s
This Ought to Keep One_Zeroth Busy for a While!
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I'll have to take a gander later on it, Friend.
cool math fanfic i also wanna check it out
An interactive fiction game for math geeks. (We're looking at you, @One_Zeroth, lol.)
(Full disclosure - While I was fairly good in math, that was a looong time ago. I haven't played this game, but it's gotten great reviews.)
A Beauty Cold and Austere: https://ifdb.org/viewgame?id=y9y7jozi0l76bb82