This morning, Nintendo didn’t just upload a Japanese overview trailer for Mario vs Donkey, they also launched the official website: you can find it here. Most of the information isn’t really new, though it does confirm the game will have over 80 stages. As for the extra levels made with the level editor, it is possible to have up to 30 of them on Wii U, but only 20 on Nintendo 3DS.
Here’s two gameplay clips from the official website:
And here’s some screencaps from the official website:
Mario vs Donkey Kong: Tipping Stars (Wii U / 3DS) comes out on March 5th in North America, March 19 in Japan and March 20th in Europe. Reminder: you can get a free download code for the other version just by buying the game!