<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.

Theseus was a Greek inventor who was charged with impossible-to-detect murder. He was represented by Protagoras and found not guilty. He changed his name to escape the publicity and has continued inventing to this day.