<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.

`[hd]o[aw][gt] [<filename>] is a set of commands for querying HackEgo hg logs. `hoag is the basic version. d adds revision numbers and dates, w looks only in wisdom, and t lists oldest first.