I may get hate for my opinion, but this game isn't THAT good. Many people are saying that it's one of the best Kirby games of all time, but I just don't like it that much. Don't get me wrong, it's still a pretty good game, but it's not a game I find myself going back to play very often.
My main problem with the game is that it felt rehashed. It used the same engine as Return to Dreamland, and while some may argue that Triple Deluxe did too, Triple Deluxe added so much more new stuff, a cool super ability and many more mechanics, the main one being the ability to jump from the foreground to the background. Robobot just didn't add enough cool mechanics, making feel alot like Triple Deluxe. There were only a few parts in the game that felt new and refreshing. Most of the bosses were rehashed from Triple Deluxe and Return to Dreamland, and some of the game's original bosses just weren't that good.
This game isn't bad, but it's certainly not better than Triple Deluxe or Return to Dreamland.