Complete the stipulation below to unlock characters however some of the them are non-playable characters.

Character	How to unlock
Choose Goose (NPC)	Clear floor 10.
Flame Princess	Clear floor 80.
Ice King	Clear floor 20.
Lemongrab	Clear floor 70.
Lumpy Space Princess	Clear floor 10.
Mr. Pig (NPC)	Clear floor 60.
Starchy (NPC)	Clear floor 90.
Susan Strong (NPC)	Clear floor 50.
Tree Trunks (NPC)	Clear floor 20.