Use the Cupcake Converter
Defeat all the arenas
Beat an arena
Complete your first objective
Fill up your sticker book
start a co-op game
Fully Level Up
Use a Weapon Mod
Give the whale the old mans underwear
Defeat treefist
complete a stage in less than 3 minutes
Defeat Hot Dog Boss
Defeat Crab mech
Kill an enemy that's been converted to a bunny
Unlock all costumes
Defeat Breakfast Buccaneer
Finish the Game
Collect first cupcake
Defeat Veggiesaur
Make it to second island
Get your first pal
Find 50% of the stickers
Level up your abilities for the first time