Obtain all trophies in the game.
Complete all cairns.
Complete the game.
Use the echo on a frozen ballast in Chapter 6.
Warm up the ballast in chapter 6.
Turn all altars.
Listen to all shells.
Read all of Bianca's journal entries.
Activate all frescos.
Read all letters.
Complete more than 200 jumps or double jumps in one game.
Place a piton at the top of a wall run.
Restore your stamina more than 50 times while climbing.
Stop 25 pebbles with a single echo from the ballast.
Scare more than 10 chocos back to their burrow.
Turn an altar.
Hug the ballast 20 times.
Hug the ballast.
Activate a fresco.
Complete a cairn.
Listen to a shell.
Read a letter.