curl-6 on 05 October 2019
For me it's close between 2010 (reveals for Donkey Kong Country Returns, Skyward Sword, Goldeneye 007, Kirby's Epic Yarn) and 2014. (BOTW, Splatoon, Captain Toad)
Ultimately I went with 2010 as 4 awesome new games > 3 awesome new games. XD