WW was easy, but I think the puzzles were sometimes challenging. Nothing that had me pulling out my hair (and certainly nothing like that god-awful Water Temple in
OoT...ugh... suffer post-traumatic stress to this day), but I think that comes with what I once refered to as 'Zelda Logic'; most of us have been playing the Zelda games since the first, so we've developed an intuition based on what we learned in previous games. Like, if you're in a temple, and you come across a room with one locked door and one unlocked door, chances are the key is in the unlocked one, because that's how Zelda works.
And I liked the fighting a lot. More on a visual standpoint thought.