<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.

Cricket is one team is in and one team is out, and the team who is out tries to get the team who is in to be out, and then the team who was previously out can be in. Whoever earns more points wins, unless you run out of time, in which case nobody wins.