<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.

'ROT13 in Linguine
'Programmed by Jeffry Johnston, 2005
1[-2?,-2~10:3,-2<65:2,-2<91:5,-2<97:2,-2<123:6]2
2[*-1=*-2,-1+1]1
3[*-3~0:4,*-3$,-3+1]3
4[-2$]0
5[-2+13,-2<91:2,-2-26]2
6[-2+13,-2<123:2,-2-26]2