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