It's pretty hard to say Nintendo didn't give adequate support to Wii U during its lifetime, here are the games published by them.
New Super Mario Bros. U
Nintendo Land
Sing Party
Lego City Undercover
Game & Wario
New Super Luigi U
Pikmin 3
Wonderful 101
Pokémon Rumble U
Wii Parry U
Wind Waker HD
Super Mario 3D World
Wii Fit U
Mario & Sonic Sochi Olympics
Wii Sports Club
NES Remix
NES Remix 2
Dr. Luigi
DKC: Tropical Freeze
Mario Kart 8
Pushmo World
Hyrule Warriors
Bayonetta 2
Super Smash Bros. Wii U
Captain Toad: Treasure Tracker
Kirby & the Rainbow Curse
Mario Party 10
Mario & DK: Tipping Stars
Splatoon
Art Academy: Home Studio
Super Mario Maker
Yoshi's Woolly World
Fatal Frame: Maiden of Black Water
Mario Tennis: Ultra Smash
Animal Crossing: Amiibo Festival
Xenoblade Chronicles X
Devil's Third
Twilight Princess HD
Star Fox Zero
Pokken Tournament
Mario & Sonic Rio Olympics
SMT X Fire Emblem
Legend of Zelda U
When the herd loses its way, the shepard must kill the bull that leads them astray.
