Some of Nintendo official Wii U games that don't have communities yet: Kirby and the Rainbow Curse Mario Tennis: Ultra Smash Donkey Kong Country: Tropical Freeze Pushmo World Hyrule Warriors Mini Mario & Friends: amiibo Challenge Star Fox Zero +
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Pokémon Rumble U Pokkén Tournament amiibo Tap: Nintendo's Greatest Bits Animal Crossing: amiibo Festival Mario and Sonic at the Rio 2016 Olympic Games Captain Toad: Treasure Tracker
SiNG Party New Super Mario Bros. U (besides Luigi U community)
Art Academy: SketchPad Art Academy: Home Studio Tokyo Mirage Sessions #FE
Mario and Sonic at the Sochi 2014 Olympic Winter Games Star Fox Guard
let's collectively clamor for the Funky Barn community to be next