Break all the pots
Look at the photo inside the drawer
Play twinkle twinkle little star in the piano
Complete Prologue
Break all of the tombstones
Open the curtain
Tidy up Eda's room
Complete Chapter 1
Click bird inside the postbox
Complete Chapter 2
Eat all of the ice cream on Owl's side
Finish the Tea Time with Eda and Owl
Complete Chapter 3
Turn off the Radio Tape
Input 1915 on the safe
Complete Chapter 4
Play all the music notes
Complete Chapter 5
Open all the windows
Complete all achievements