New Super Luigi U

New Super Luigi U is upcoming Downloadable Content for New Super Mario Bros. U. It is described by Satoru Iwata as "Full-Scale DLC similar to the production of full software". This is one of the 3 projects released for The Year of Luigi.

Gameplay
This DLC is Single-Player only,and focuses on controlling Luigi throughout the whole game. These appear to be all-new levels,designed specifically for use of Luigi.