DLC

DLC, or downloadable content, is add-ons to the game that can be bought.

Probable DLC
Clean Kirby (Character, DLC Pack 1)

BUD (Character, DLC Pack 1)

Reverse World (Pokemon Diamond/Pearl/Platinum, Stage, DLC Pack 1)

Mushroomed Kingdom (Futuristic Mushroom Kingdom. Polar opposite of Mushroomy Kingdom, Super Mario Bros., Stage, DLC Pack 1)

Frosted Downhill (Racetrack tour, Mario Kart 8, Stage, DLC Pack 1)

Grow Home (Changes layout every match, Grow Home, Stage, DLC Pack 1)

Bonus (The Bonus Game Mode returns from Melee!, Game Mode, DLC Pack 1)