DLC

DLC (Downloadable Content) usually cost money

Nintendo DLC:

 * Green Hill Zone
 * Tomodachi Island
 * Victory Road
 * Poke Party
 * Green Greens
 * Fountain of Dreams
 * Temple Yard

Arena Pack 1

 * Mario Maker
 * Mega ? Block
 * Cruise
 * Honeybee Hive
 * Stormy Night

Arena Pack 2

 * Super Arcade
 * Bowser Farm
 * Poison Mushroom Factory
 * Funky Stadium
 * Quiet Library

Arena Pack 3

 * Cookie Parkour Town
 * Delfino Plaza
 * Nintendo Museum
 * Science Museum
 * The Mansion of Doom

Arena Pack 4

 * Double Deck
 * Piranha Plant Throat
 * Computer Programming
 * Reptile Swamp