Wii U GOTY for each year of its life

[Entropio]

2012: Nintendoland (Runner up: NSMBU)
2013: Pikmin 3 (Runner up: SM3DW)
2014: Mario Kart 8 (Runner up: Super Smash Bros for WiiU)
2015: Captain Toad: Treasure Tracker (In Europe it launched on Jan 2) (Runner up: Super Mario Maker)
2016: Paper Mario: Color Splash (Runner up: Pokkén Tournament)