"Springs are going to the party" by Frog //ROi
256 bytes intro for Vectrex computer
Released at Chaos Constructions'2017
I strongly recommend to run it only on real hardware (Vectrex). It runs under emulator (Vide) however.
If you don't have Vectrex, check out Youtube video: https://www.youtube.com/watch?v=wler_AeXAVw
Emulators - invaluable tool for development (thank you, Malban!) but quite bad for everything else.