It bugs me that you can just hold it to fly but still need to tap it to swim. Or in my case, you make assumptions that they just made everything easier and you watch Mario make the swimming motions one time and then fall immediately to his death.
I also don't understand why on co-op we have to remain on the same screen as each other. We each have our own screen. I could understand if it was download play, maybe, but we each have our own cart, with the full level available at any moment. Why can't we be just a little further apart? Or at least zoom out a little like in NSMBWii. I bought two copies so me and my lady could play co-op and this issue nearly kills it.
Probably since it works similar to Wii where they want you to be near one another at all times? Honestly, i'm not sure.
Oh btw, what kind of DLC can we expect from this?