Really obnoxiously complex and excessively annoying if you actually tried to play it. I did this (6 months go?) for this past large color newspaper issue of Static Fish. Color is annoying faded 80's-ish palette. In retrospect I'd really would just much rather keep everything black and white but it kind of hurts my eyes...?
Here's what it looks like (click to enlarge):
Here's the b/w:
Here's it all printed and stuff:
In case you forgot what Seasonal Depression is... look here.