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