Unlock all stickerbook pages
Collect all skull coins
Unlock all hidden stages
Earn a gold medal time attack record for every stage of World 1
Collect all series 1 stickers
Unlock a hidden stage
Unlock the stickerbook
Complete stage 1-1
Complete 100% of the game
Collect all special series stickers
Collect all series 2 stickers
Collect all series 3 stickers
Collect all series 4 stickers
Earn a gold medal time attack record for every stage of World 2
Earn a gold medal time attack record for every stage of World 3
Earn a gold medal time attack record for every stage of World 4