For the "Year of Luigi", which celebrates the 30th anniversary of Luigi's first appearance in the "Mario" series, Nintendo released downloadable content called New Super Luigi U which was also released on the Wii U. Players play as Luigi in harder versions of the game's levels. It was released in mid-2013. It was also released as a game and not a download. A port of NSMBU, titled "New Super Mario Bros. U Deluxe," was released for the Nintendo Switch on January 11, 2019.