Knack and Ryse are apparently so bad that you should just excercise instead!
Wii Fit U: http://www.metacritic.com/game/wii-u/wii-fit-u Currently 79
Knack: http://www.metacritic.com/game/playstation-4/knack Currently 56
Ryse: http://www.metacritic.com/game/xbox-one/ryse-son-of-rome Currently 61
Wii U's killer app for the holidays confirmed! Rejoice the Nintendomination Nation!