Once downloaded, the prompt to access the Nintendo eShop to download the expansion is replaced with a prompt to go to the main menu for New Super Luigi U. U the game must be updated to version 1.3.0 before New Super Luigi U can be accessed in-game, and requires 731.4 MB of memory to be installed. The title was first released on the Nintendo eShop on Wii U for region price as downloadable content for New Super Mario Bros. Although it refers to him, the game does not feature Mario himself at all. It features Luigi as the main player, with Yellow Toad, Blue Toad, and, notably, Nabbit (who replaces Mario from the original game) playable in multiplayer mode. U, released as part of the Year of Luigi, celebrating the thirtieth anniversary of Luigi's initial debut. U) is an expansion game for New Super Mario Bros. New Super Luigi U (stylized as New Super Luigi Bros.