All these attractions are the game pad versus the remotes. The three attractions are Mario Chase, a game where the Toads(Wii Remotes) must catch Mario(Wii U Game Pad), Luigi's Ghost Mansion, a game where it's Ghost(Game Pad) versus the Ghost Hunters(Remotes),and Animal Crossing Sweet Day, where the animals(Remotes) must eat candy and avoid the Gate Keepers(Game Pad). These attractions are great for a group of people that likes to play competitively.
Six of the twelve attarctions are all, as you might of guessed, are single player. The six attractions are Yoshi's Fruit Cart, the game where you help Yoshi collect fuit, Octopus Dance, a Simon Says style game, Donkey Kong's Crash Course, a game of skill and practice, Takamaru's Ninja Castle, a ninja star-shooting showdown, Captain Falcon's Twister Race, a timed racing challenge, and Ballon Trip Breeze, a game where you ride the breeze. These attractions are great for players that think that too many players would get in the way.