As previously reported, Rosalina from the Mario Galaxy games is a playable character in the upcoming Super Mario 3D World. Rosalina is the fifth playable character in the game following Princess Peach, Mario, Luigi, and Toad. She can be unlocked after gaining access to a final “secret” world. Watch the video to see exactly how to unlock her, as well as a small bit of gameplay footage featuring Rosalina. Super Mario 3D World comes out on November 22nd in North America and November 29th in Europe.