5. Deus Ex: Human Revolution Director's Cut
4. Donkey Kong Country: Tropical Freeze
3. Pikmin 3
2. Super Mario 3D World
1. ZombiU
Other games I really like include:
Wind Waker HD, Rayman Legends, Nintendo Land, Wii Party U, Wii Fit U, Wonderful 101, Monster Hunter 3 Ultimate, Scribblenauts Unlimited, Need For Speed Most Wanted U, Tekken Tag Tournament 2, Sonic & All-Stars Racing Transformed, Splinter Cell Blacklist, Sonic Lost World, NSMBU/NSLU, Assassin's Creed III (I own IV, but I haven't played it yet, so I'm sure it'll be up there as well)