Wii U 2013 - The Legend of Zelda: Wind Waker HD: October - Wii Party U: October - Super Mario 3D World: December - Wii Fit U: December - Donkey Kong Country: Tropical Freeze
Wii U 2014 - Mario Kart 8: Spring - Super Smash Bros (new characters include Mega Man, as well as the villager from Animal Crossing EDIT: and the trainer from Wii Fit) - X (open world game by Monolith Soft)
3DS - Pokémon X and Pokémon Y: October 12 - Super Smash Bros: 2014 - The Legend of Zelda: A Link Between Worlds (no date given) - Yoshi's New Island (no date given)
Games with Gold (free until Sept. 15) • Magic 2013: Duels of the Plainswalkers Retail (Tuesday) • Diablo 3 • Dead or Alive 5 Ultimate • Rayman Legends XBLA (Wednesday) • Mickey Mouse Starring in Castle of Illusion ($14.99)