Got it Christmas 2013
Retail:
The Legend of Zelda: The Wind Waker HD (2013)
Rayman Legends (2013)
Super Mario 3D World (2014)
Need for Speed Most Wanted U (2014)
Mario Kart 8 (2014)
New Super Mario Bros. U (2014)
Bayonetta 2 (2014)
Super Smash Bros. for Wii U (2014)
Darksiders II (2014) (Just got on sale from eShop)
Digital:
Guacamelee! Super Turbo Championship Edition (2014)
SteamWorld Dig (2014)
Virtual Console:
The Legend of Zelda: The Minish Cap (2014)
Kirby Super Star (2014)
So 9 retail (10 if you count Bayo 1), 7 of which was obtained in 2014, as well as 2 eShop and 2 VC games.
Intend to get:
Deus Ex Human Revolution Director's Cut
Kirby and the Rainbow Curse
Splatoon
Captain Toad: Treasure Tracker
Zelda U
Xenoblade Chronicles X
Hyrule Warriors
Devil's Third
Child of Light
Shovel Knight
...and various VC games I don't feel like listing.