Collect 2 Jiggies
Transformed by Mumbo for the first time
Beat Nipper
Free Clanker
Chomp 30 red Yumblies
Learn all Banjo's moves
Collect all the honeycombs
Complete Grunty's Furnace Fun, and answer any of the random questions correctly
Defeat Grunty with Jinjonator
Complete all seven of Bottle's Secret Jigsaws
Find Cheato three times
Collect all 900 notes in the game