Unlocking All the Postgame Accolades in New Super Mario Bros. U Deluxe at the Same Time

Most players finish NSMBUD's story first and then go back and collect all the Star Coins piecemeal, but if you've collected every single Star Coin, visited every world, gotten every exit, and completed every level prior to the final level, you get this amusing string of animations where the game dumps all the notifications on you at once.