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LOSE YOUR MIND. EAT YOUR CREW. DIE. Take the helm of your steamship and set sail for the unknown! Sunless Sea is a game of discovery, loneliness and frequent death, set in the award-winning Victorian Gothic universe of Fallen London.
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Match strength key:80+65+50+<50About SUNLESS SEA
Sunless Skies is out now
The sequel to Sunless Sea, featuring hundreds more stories and improved gameplay!
About the Game

LOSE YOUR MIND. EAT YOUR CREW. DIE.
Sunless Sea is a Gothic Horror RPG with a focus on exploration, exquisite storytelling and frequent death.

Captain a Victorian steamship on a vast underground sea
If the giant crabs, sentient icebergs and swarms of bats don’t get you, madness and cannibalism certainly will. But that old black ocean beckons, and there’s loot for the brave souls who dare to sail her.

Seek out intriguing individuals for your crew
Hire unique officers like the Haunted Doctor and the Irrepressible Cannoneer. Each has a story to tell, if you can draw it out of them.

Stray from the gas-lamps of civilisation
Light and dark, terror and madness: spend too long on the wide, dark sea and your crew will grow fearful and eventually lose their sanity.

Carve a life for your captain in a cruel and unique world
A deep, compelling world packed with 350,000+ words of stories and secrets. Find your father’s bones. Determine London’s destiny. Defy the gods of the deep sea.

Your captain will die.
Pass on resources from one generation to the next. Acquire a family home and a hoard of heirlooms. Build a legacy of zailors who braved the sea and lost - or, occasionally, won.
Features
Who are Failbetter Games?
We’re a boutique games studio based in London, UK. We’ve been making indie games since 2009. If you’ve read this far, this game is almost certainly for you.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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