New Super Luigi U expansion due in 2013 makes all 80-plus courses "all-new"; no price announced.

Nintendo today announced Luigi-themed downloadable content for the Wii U launch title New Super Mario Bros. U. The New Super Luigi U expansion will be released in 2013, which Nintendo has branded the "year of Luigi."

According to Nintendo president Satoru Iwata, the content is "large-scale," similar in development to a full game.

"We are currently developing a new adventure starring Luigi. This will be large-scale downloadable content which is similar to the development of full software," Iwata said during a Nintendo Direct presentation today. "So it will take some time."

No specific release date or price for New Super Luigi U was announced.

Nintendo made a range of other announcements during its presentation today. These included giving Animal Crossing: New Leaf a June release date and revealing new games like Donkey Kong Country Returns 3D, Mario Golf: World Tour, and Mario & Luigi: Dream Team.

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