Mario & Luigi 2 -

: Mario and Luigi find a mysterious book in Peach’s Castle attic that pulls them into a parallel Mushroom Kingdom where good and evil are reversed.

: A "Magic Mirror" mechanic where actions in the "Light" world create immediate, chaotic changes in the "Dark" world. Deep Dive: The Darker Side of Partners in Time Mario & Luigi 2

: Instead of just the brothers, players could control Wario and Waluigi , who function similarly to the babies in Partners in Time (assigned to the X and Y buttons). : Mario and Luigi find a mysterious book