<b_jonas> slashlearn euclid//Euclid is a short geeky game in which the goal is to do Euclidean compass and straightedge constructions in as few steps as possible. It runs in the browser, found at "http://www.euclidthegame.com/". It was popular among #esoteric regulars in 2016-07.

#!/bin/sh
f=$(find $HACKENV/wisdom -ipath "$HACKENV/wisdom/*$1*" -type f -print0 | shuf --random-source=/dev/urandom -z -n1); if [ -n "$f" ]; then echo -n "${f#$HACKENV/wisdom/}//"; cat "$f"; else echo "That's not wise."; fi | rnooodl