Meet the conditions below to be able to buy the named Memory (a set of background music or video) from the Shop.

Memory	How to unlock
Banzai Bill's Mad Mountain	Finish playing this board once and buy it from the Shop.
Bowser's Peculiar Peak	Finish playing this board once and buy it from the Shop.
Bowser's Sky Scuffle	Finish this Boss Minigame in Free Play.
Bowser's Tower Tourist	Finish Bowser's Tower once.
Chain Chomp's Lava Lunge	Finish this Boss Minigame in Free Play.
Dry Bowser's Brain Bonk	Finish this Boss Minigame in Free Play.
Extra Credit	Play an Extra Minigame in Free Play.
Goomba Tower Takedown	Finish this Boss Minigame in Free Play.
Hot-Air Hero	Finish a game of Hot-Air Hijinks.
Kamek's Carpet Ride	Finish playing this board once and buy it from the Shop.
King Bob-omb's Court of Chaos	Finish this Boss Minigame in Free Play.
Minigame Maniac	Play a General Minigame in Free Play.
Mr. Blizzard's Snow Slalom	Finish this Boss Minigame in Free Play.
Perilous Palace Path	Finish playing this board once and buy it from the Shop.
Puzzle Pro	Play a Puzzle Minigame in Free Play.
Rocket Road	Finish playing this board once and buy it from the Shop.
Shy Guy's Shuffle City	Finish playing this board once and buy it from the Shop.
Star-Crossed Skyway	Finish playing this board once and buy it from the Shop.