Here is the full list of all 19 The Sea Will Claim Everything achievements.
A smelly old achievement found in a box.
Discover the meaning of the ancient phrase.
Find all 700 collectibles!
Guide Sunsquid back to the Electric Continent.
Have some tsipouro.
Did you make a cookie for the thoughtful lizard?
Frubble frubble frubble frubble.
A bit of code The Mysterious-Druid accidentally left in the window's code gives you an achievement when pressing W.
This achievement contains tofu.
Reject Lord Urizen's dogma.
Help the people of the Isle of the Moon.
The mouse had achievements before everyone else did.
Heal Underhome.
Help the people of the Isle of the Sun.
Gather all the Tokens of the Tomb of the Timber Tyrant.
Derek knew everything about alchemy, too... or so he thought.
Help the people of the Isle of the Stars.
Help Niamh with her research so she can go back home.
Set sail to explore the Fortunate Isles. You're not sure what ahoy means, but it sounds nautical.