Full list of all 54 Sunless Sea achievements.
The base game contains 30 achievements, and there is 1 DLC pack containing 24 achievements.
Spend five years out at zee in an unbroken lineage
Die 10 times in an unbroken lineage
Let your terror reach 100
Let your terror reach 90
Take the Correspondent legacy
Die 5 times in an unbroken lineage
Visit the Surface
Take the Pupil legacy
Take the Salvager legacy
Take the Shipmate legacy
Suffer Storm's Curse
Discover 'The Eye'
Suffer Salt's Curse
Send your child to zee
Spend one year out at zee in an unbroken lineage
Download new stories
Create an ironclad will
Achieve Antiquarian 10
Woo a sweetheart in London
Achieve Admiralty's Favour 10
Discover The Dawn Machine
See Hunter's Keep burn
Take the Rival legacy
Die for the first time
Spend ten years out at zee in an unbroken lineage
Acquire the Eschatologue-class Dreadnaught
Suffer Stone's Curse
Recruit the imaginary officer
Complete the game without saving manually
Complete the game without ever choosing a past
Be killed by an underwater creature
Avoid being killed by the Unexploded Unclear Bomb
Be killed by the Constant Companion
Come face to face with the Constant Companion
Accept a power of the deep zee
Use an oasis to increase your oxygen levels
Discover Aigul
Discover Rosegate
Discover Hideaway
Escape underwater combat by resurfacing
Die of suffocation
Discover Nook
Discover The Gant Pole
Discover Dahut
Discover Anthe
Discover Undercrow
Discover Scrimshander
Discover Wrack
Use underwater currents to bear you on your way
Discover Low Barnet
Venture beneath the waves
Perform an abyssal ritual to encounter Lady Black
Complete the Zubmariner ambition
Collect all of Drownie Love-song, Drownie Counterpoint and Drownie Hymn