What's the single best game Nintendo has ever created?

[Vodacixi]

Punch-Out!! (NES), The Legend of Zelda: Twilight Princess (GC/Wii/Wii U) and Rhythm Heaven: Megamix (3DS). You could lock me in a cage forever with those three games and I would live happy. Well, at least as happy as you can be while locked inside a cage...