Here is the full list of all 34 Call of the Sea achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
You have completed the Game.
You have completed Chapter 6.
You used your blood to open the Sanctuary gates.
You have completed Chapter 5.
You swam through the Big Stream in the Sunken Town.
You have completed Chapter 4.
You crossed the dried ocean and made it to your house.
You have found the secret object in Chapter 4.
You have found 50% of the story logs.
You have completed Chapter 3.
Play an ancient instrument.
You watched the last slide from Harry's projector.
You have found the secret object in Chapter 3.
You have completed Chapter 2.
You have found 25% of the story logs.
You have found the secret object in Chapter 2.
You have completed Chapter 1.
You have completed the Prologue.
You have found the secret object in Chapter 1.
Where did my motorboat go?
You have found all the story logs.
You have collected all the puzzles notes.
You have found all the murals on the island.
You have found the secret object in Chapter 5.
You have found the secret object in Chapter 6.
You have replayed a level.
We know it we are the teacher’s pet. BUY ALL RAW FURY GAMES!
Now you can sell the scoop to any tabloid newspaper.
You have played the notes of the music box of Chapter 4 on the piano in Chapter 3.
You made Norah sing to a microphone with no power. Are you happy now?
Norah didn't write that did she?
You experienced all the visions in Chapter 5.
You opened a portal to Arcadia.
You found the Out of the Blue Key.