<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.

const char main[] = "%0000%HELOPPPPPPT]5Hell1E XP5o wo1E$XP5rld!1E(XP4@4J1E,4@4GPZ$AP_^^^^T^\17\5XX\303";