Here is the full list of all 10 Swallow the Sea achievements.
Complete Swallow the Sea in under 4 minutes.
Get kissed by the Orro.
Consume all Vobbles without dying.
100% Swallow the Sea
Complete Swallow the Sea without taking damage.
Complete Swallow the Sea without dying.
Complete Swallow the Sea.
Consume the Orro.
Become an only child.
It happens to the best of us.