Take a very good look at the following image.

 

Take a good look at “Catherine’s” comment.  See the gold bar that says “Cleared in under 100seconds!” that doesn’t appear to be a message the person wrote, but rather a system-integrated message, i.e. an achievement.  Am I reading too much into this?  It sure appears that way to me, but let’s wait for Nintendo to confirm before we all get too excited.