I love SIGBOVIK - truly some insane projects are presented there. Like Tom Murphy's projects of creating a hard drive from pings, or using AI to create uppest and lowest case letters. Or reverse emulating a Nintendo (which is a particular favorite of mine).
One other project that I really love was presented at the 2021 Sigbovik: Fontemon, created by Michael Mulet. It's a full-blown choose-your-own-adventure game in a font. Truly insane. Here's a short video showing the basics of how it works: https://www.youtube.com/watch?v=VY1hDQMeU3A