Turn all altars.
Listen to all shells.
Activate all frescos.
Complete all cairns.
Read all of Bianca's journal entries.
Read all letters.
Complete the game.
Use the echo on a frozen ballast in the crater.
Hug the ballast 20 times.
Stop 25 pebbles with a single echo from the ballast.
Turn an altar.
Scare more than 10 chocos back to their burrow.
Activate a fresco.
Hug the ballast.
Complete a cairn.
Listen to a shell.
Read a letter.
1210262
16593
213
892
687
160
36
9