5th Playable Character Revealed for Super Mario 3D World! November 13, 2013 by Michael Koczwara During today’s Nintendo Direct stream, Nintendo announced that Rosalina will be a playable character in Super Mario 3D World. No word on how the character is unlocked, but enjoy the video and screen below! httpvh://www.youtube.com/watch?v=RgjUiL6sKe4