You should be able to follow the links and read the reviews if you want to.
"Unlike with Donkey Kong Country Returns, Nintendo’s Superguide is wholly absent. That means that you’ll no longer be able to skip some of the more arduous levels, making it quite a bit trickier for newcomers, whiners and sissies. Fans of old-school challenge and who hate all that hand-holding nonsense will be delighted. - Lazygamer.net: 8.5