The main reason that I think OoT was a pain in the butt to do 100% (which I never did actually complete, but I got close) was the Skulltulas. Some of those buggers are difficult to get!
I've never done a minimalist challenge and frankly have no desire to. I've attempted 100% before on a couple different games and I am always utterly tired of playing it by the time I get like 98%, lol. So I'd say they are challenging in two different ways. A minimalist game challenges your...