Total shots in the dark, as there's plenty we don't know about them:
The Legend of Zelda: Twilight Princess HD: 1.6m
Pokken Tournament: 1.5m
Star Fox Zero: 800k
The Legend of Zelda Wii U: (Need to know if it's exclusive or multiplat first)
Genei Ibun Roku #FE: 700k
Mario & Sonic at the Rio 2016 Olympic Games: 1.2m