I'm not even close to getting that. I'm still working through Cotton Alley on Light World, and Rapture's Dark World. That's not counting all the missing bandages and missed warp zones.
At least if you're planning on getting an A+ on every level (not required for Golden God) you don't have to worry about Cotton Alley Dark Worlds. Almost all of them are 60 second A+ times and you basically won't need even close to that much time on 80% of the level.
When I went through I did all of the Light World before I even touched any Dark Worlds, and that helped me a lot, although I did get stuck on "4 letter word" for a while.