Here's every possible rule for a one-dimensional (neighborhood-1) cellular automaton. All on a single infinite surface you can pan and zoom around on your touchscreen device. In 100 lines.

https://akkartik.itch.io/carousel/devlog/702311/all-the-1-d-cellular-automata

Comments gratefully appreciated. Please send them to me by any method of your choice and I'll include them here.