New Super Luigi U

New Super Luigi U (ニュー・スーパールイージ・U) is the fourth game focusing on Luigi (the others being Mario is Missing, Luigi's Mansion and Luigi's Mansion: Dark Moon), released in two different versions first being the downloadable content (DLC) package for New Super Mario Bros. U on the Nintendo eShop released on June 20, 2013, and a standalone retail version released on August 25, 2013 in North America. Unlike the downloadable content game, the retail version does not require having New Super Mario Bros. U to play it.

The game was announced along with Luigi's Mansion: Dark Moon to celebrate 30 years of the character; Nintendo also proclaimed 2013 "The Year of Luigi."