i own all
Super Mario Maker:
Its fun if you have friends that can over and play with you.
Do note that map creation is dumb and you dont get all the items from the start. because of this it has been catching dust here.
Splatoon:
Really fun, can get a little old though, it gets kind of repetitive, because of that, it has been catching dust as well. like many wii u games it should be played with friends.
Black Ops 3:
In my opinion the CoD that saved the franchise, but because im on PC and I dont have friends that can properly run it, its catching digital dust, i would recommend this one the most tbh