<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.

Unicode is a mess invented in 1988 by Xerox, Microsoft, the Spanish Inquisition, and the evil Human Supremacy Corporation, in order to make it easier for the government to spy on Chinese people.