Highlights include two Legend of Zelda games, including a Wind Waker remake, and that both a new Mario Kart and a 3D Super Mario are in development.
Watch the Wii U Nintendo Direct conference in full below:
Elsewhere, a new Yoshi game, sequels to Xenoblade Chronicles and Wii Party were revealed, and the surprise announcement of a Shin-Megami Tensei X Fire Emblem crossover game.
Finally, Virtual Console was given a release date, and Nintendo revealed plans to address complaints of slow menu navigation with two firmware updates.
The stories in full:
Two 'Legend of Zelda' games: 'Wind Waker' remake and a new adventure
Wind Waker HD will be a complete remake of the GameCube adventure, complete with new visuals and changes that "tune up the overall game experience", according to series director Eiji Aonuma.
Also confirmed was a brand new Zelda title that will "rethink the conventions of Zelda", especially that dungeons should be played in a certain order, and that you should play by yourself, hinting at a more open, co-operative experience.
> Story in full: 'Wind Waker HD' announced for Wii U in 2013, new 'Zelda' also in works
New 'Mario Kart' and a 3D 'Super Mario' confirmed
They're expected, but now fully confirmed. No details were mentioned aside from that the 3D Super Mario project will be created by the same team as Super Mario Galaxy and Super Mario 3D Land.
Both projects will get their first reveals at the E3 gaming expo in Los Angeles this June, where they will also be playable.
> Story in full: New 'Mario Kart', 3D 'Super Mario' confirmed for Wii U, reveal at E3
Yoshi to receive his first solo adventure since 1998
Recently rumoured to be in the works, the unnamed project will be developed by the Kirby's Epic Yarn team, and features the same patchwork visual style.
Yoshi's Island and Yoshi's Story director Takashi Tezuka will be overseeing the game's development.
> Story in full: 'Yoshi' Wii U game by 'Kirby's Epic Yarn' team in the works
Virtual Console support for Wii U confirmed for this spring, alongside a 30p promotion
The ability to download and play classic Nintendo games will be available shortly after a system update this spring.
NES and Super NES titles will be available at launch, followed by Game Boy Advance titles in the near future.
Also starting today with Balloon Fight is a promotion where each month until July one NES or SNES game will be available for just 30p.
Virtual Console games for Wii U are being developed specially for the platform, and will offer GamePad-only play as well as Miiverse support.
> Story in full: Virtual Console launching on Wii U this spring, Balloon Fight out now
Shin-Megami Tensei and Fire Emblem to feature in crossover game
The crossover RPG was revealed with a teaser trailer that introduces characters from both franchises, each with its own distinct art style and music.
Nintendo president Satoru Iwata said that working with different partners offers a way to combat lengthy development cycles, hinting at more collaborations in the future.
> Story in full: Shin-Megami Tensei X Fire Emblem confirmed for Wii U - teaser trailer
Xenoblade Chronicles - one of the Wii's best RPGs - gets a sequel
While this new Monolith Soft project was not officially named as a Xenoblade Chronicles sequel, it shares a similar gameplay style and the letter 'X' is seen at the video's conclusion.
The game will be directed by Tetsuya Takahashi, the man behind Xenoblade Chronicles and previously the Xenosaga series.
> Story in full: Xenoblade Chronicles sequel revealed for Wii U - first trailer
Nintendo to address complaints about Wii U navigation speed with two system updates
Two updates this spring and summer will both provide incremental improvements to navigation speed, addressing complaints that software launches and returning to the main menu are too slow.
Miiverse will also receive a number of updates showcased in new releases in the coming months, including smartphone functionality, verified accounts and user communities.
> Story in full: Wii U, Miiverse navigation to improve with system updates
Wii Party is to get a Wii U sequel this summer
This unnamed follow-up is by the creators of Wii Party, and features various gameplay modes, including a board game where players shake the GamePad to roll dice.
There will also be off-screen games that encourage communication between players, such as pressing buttons across several controllers, and GamePad-only games for multiple players, such as table football and a top-down baseball arcade game.
> Story in full: Wii Party sequel coming to Wii U, features GamePad-only minigames
New trailers for The Wonderful 101 and Bayonetta 2
Platinum Games released new gameplay footage for The Wonderful 101, before offering a behind-the-scenes look at Bayonetta 2.
> Story in full: Wonderful 101, Bayonetta 2 trailers released
What Wii U updates are you must excited about? Add a comment to the space below!