Then there is the Tamagotchi Singularity inspired by an XKCD comic [1]. It is a server full of emulated tamagotchis [2] that interact with each other in a simulator, all running code dumped by Natalie's technique. I'm impressed by both these hacks, especially the combination.

All this is via a Hackaday article. [3]

1. https://xkcd.com/1546/

2. https://spritesmods.com/?art=tamasingularity

3. https://hackaday.com/2015/11/24/building-the-infinite-matrix...