Beat the game three times and:
- Complete all Bea friendship quests
- Complete all Gregg friendship quests
- Complete all Germ friendship quests
- Complete all ghost hunt quests
- Talk to the musicians after uniting them
- Return granddad's tooth to Mae's dad
- Find all nine dusk stars
- Find three pentagrams
- Feed the Mallard rats three times
- Listen to Selmer's poetry three times