Complete stage 1-1
Defeat the 1st boss
Unlock a hidden stage
Unlock all hidden stages
Defeat the 2nd boss
Defeat the 3rd boss
Defeat the final boss
Unlock the stickerbook
Collect all series 1 stickers
Collect all series 2 stickers
Collect all series 3 stickers
Collect all series 4 stickers
Collect all special series stickers
Collect all skull coins
Complete 100% of the game
Unlock all stickerbook pages
Carve a giant pumpkin
Fall into some soup
Find a Mandragora and take its money
Earn a gold medal time attack record for every stage of World 1
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