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