<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
if [ $# -ne 0 ]; then for f in "$@"; do echo "#!/bin/cat" && cat "$f"; done; else echo "#!/bin/cat" && cat; fi