Aside: I was pretty into the roguelikes that descend from the Moria/Angband line for the better part of a decade. I'd frequently get to know people in that community and, after some light googling, realise they were famous in some other field.
I learned about Toby Ord through a terrific game he wrote called Sil [0], which is a nearly-unrecognizable fork of NPPAngband that sticks tightly to the theme of the Silmarillion. It's a very tight game, and it oozes atmosphere--especially neat considering there is no sound, and only an ASCII-character terminal-like display.
This was also how I first discovered Nick Bostrom and "Superintelligence"; Toby Ord was a postdoc of Bostrom's at the time, and following the chain I stumbled into this work.
I guess roguelikes might appeal to rationalists in particular; there's a lot to reason about in there, but sometimes random things happen and there's just nothing you can do :)