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