Bonus furniture
Defeat the indicated Boss to unlock the corresponding furniture at the store for purchase.
Hanging Bells: Defeat Yin Yarn.
King Dedede Doll: Defeat King Dedede.
Meta Knight Doll: Defeat Meta Knight.
Star Bed: Defeat Yin Yarn.
Bonus wallpapers
Complete all the missions from the indicated character at the apartment building. That character will offer to come over to Kirby's Pad after you complete a level. Return to Kirby's Pad and that character will give you a bonus wallpaper.
Beadrix Print: Complete Beadrix's missions and have Beadrix visit Kirby's Pad.
Buster Print: Complete Buster's missions and have Buster visit Kirby's Pad.
Carrie Print: Complete Carrie's missions and have Carrie visit Kirby's Pad.
Mara Print: Complete Mara's missions and have Mara visit Kirby's Pad.
Zeke Print: Complete Zeke's missions and have Zeke visit Kirby's Pad.
Music
Collect various power-ups during game play to unlock songs for the sound track. To unlock the final three songs ("Dream Land Music", "Staff Credits Music", and "Yin-Yarn's Music"), successfully complete the game.