Nintendo Land
New Super Mario Bros. U
New Super Luigi U
Monster Hunter 3 Ultimate
Need for Speed: Most Wanted U
Call of Duty: Black Ops II
DuckTales Remastered
Scribblenauts Unlimited
Skylanders Giants
Skylanders Swap Force
Sonic & All-Stars Racing Transformed
ZombiU
The Wonderful 101
Super Mario 3D World
Sonic Lost World
Wind Waker HD
Tekken Tag Tournament: Wii U Edition
Rayman Legends
Wii Fit U
Toki Tori 2+
Little Inferno
Chronicles of Mystara
Trine 2
So that's 18 retail and 5 digital, not including any Virtual Console games.