In addition, there are special Cap Switches which you'll need to turn into flying, metal or invisible Mario - and these are required in certain levels in order to get all of their stars.

Whether you’re playing this game for the very first time or reliving it from when it first released in 1996, you might be wondering how to get power-ups for Mario such as the Metal Cap.

On his head is an oversized candy-red Mario cap whose brim sports a pair of cartoon eyes—a nod to the game’s central novelty. He’s talking about something game developers refer to as ...