In 256 bytes, Linus Åkesson has produced not only an incredible set of visuals, modulating and morphing sierpinsky gaskets, but a beautiful, driving, piece of music.

He goes into depth about how it was made. The code can be seen below, in all its inscrutable wonder:

Offscreen Colonies is a 64k intro from Hungarian multimedia artists, Conspiracy.

To put it into perspective, the program that renders the video in that youtube link is 35 times smaller than any of the images captured from that program listed below.

Think about that. (also Blade Runner!)