Oh man, what a trip I must drag you into. Don't mind a story: I fail at this one.
But check the visuals. This is just 1.5MB archive after compile and it sits around 30MB in memory in runtime.
I can tell you, that its not polka dot. For the last month or two I fall in love into indexed pallets. When you convert any image into 217 colors for web with pattern dithering – its just become its own thing. Pure magic from Fallout 1,2!
Must say it looks kinda bad without pixel perfect positioning and with first person close ups, but I couldn't stop.