A tiny city doodler
Finishes drawing after about 30 seconds
Click to save a 1080x1080 image
Programmed in pure JavaScript
By Frank Force @KilledByAPixel

Generative art study on the code...
for(X=Y=A=426,i=1e6;--i;)
context.fillRect(X+=C(A+=(X^Y)/1e3),Y+=S(A),1,1)