Alongside the NPD Group's March sales announcements today, Nintendo separately revealed new sales numbers for a handful of its Wii U and 3DS games, including Super Smash Bros., Legend of Zelda: Majora's Mask 3D, Mario Kart 8, and others.

Below are highlights from today's NPD announcements. Note that the figures listed below represent units sold in the United States only.

The Legend of Zelda: Majora's Mask 3D -- 184,000 units in March; lifetime sales total 730,000 units

-- 184,000 units in March; lifetime sales total 730,000 units Mario Kart 8 -- lifetime sales of 1.9 million units

-- lifetime sales of 1.9 million units Mario Party 10 -- 290,000 total units in March

-- 290,000 total units in March Super Smash Bros. for Nintendo 3DS -- 110,000 units in March; lifetime sales total 2.4 million units

-- 110,000 units in March; lifetime sales total 2.4 million units Super Smash Bros. for Wii U -- lifetime sales of nearly 1.6 million units

Nintendo hardware sales, meanwhile--including Wii U and 3DS systems--jumped by 60 percent for the first three months of 2015 compared to the same time period last year.

For more on March NPDs, check out the stories below: