For the record, here are my lists of what I think are "big" titles for the Wii U by year.
In terms of quality/size/whatever:
2012 - New Super Mario Bros. U, ZombiU, NintendoLand. If we're counting multiplats, Darksiders II & COD: Black Ops 2
2013 - Pikmin 3, Super Mario 3D World, The Wonderful 101, Wind Waker HD, Lego City Undercover, MH3U. Multiplats: Rayman Legends, Resident Evil Revelations & Injustice.
2014 - Super Smash Bros. Wii U, Bayonetta 1/2, Mario Kart 8, Donkey Kong Country: Tropical Freeze, Captain Toad, Hyrule Warriors.
2015 - Kirby and the Rainbow Curse, Splatoon, Yoshi's Woolly World, Super Mario Maker, Star Fox Zero, Xenoblade Chronicles X, Fatal Frame: Maiden of Black Water...maybe Devil's Third.
In terms of sales:
2012 - NSMBU & NintendoLand.
2013 - Super Mario 3D World, Wind Waker HD, Pikmin 3 & Lego City Undercover. Rayman Legends & MH3U also did well.
2014 - Smash Wii U, Mario Kart 8, DKC: TF, Captain Toad, Hyrule Warriors.
2015 - Splatoon, Yoshi, Super Mario Maker, XCX, Star Fox Zero, Mario Party 10, Amiibo Crossing and Mario Tennis.
