Sunless Sea
Offers
- −66%$6.45View Offer
DLC
Trailers & screenshots
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About Sunless Sea
Sunless Sea is a Gothic horror RPG about exploring a vast underground sea aboard a Victorian steamship. You search its dark waters for loot and stories, while facing frequent death, terror and the risk of losing your mind. Giant crabs, sentient icebergs and swarms of bats threaten you at sea; madness and cannibalism threaten your crew.
The Unterzee
Away from the gas-lamps of civilisation, prolonged voyages across the wide, dark sea make your crew fearful and can eventually drive them insane. The world contains more than 350,000 words of stories and secrets. You can search for your father’s bones, determine London’s destiny or defy the gods of the deep sea.
Your crew
You can hire distinctive officers, including the Haunted Doctor and the Irrepressible Cannoneer. Each has a story to tell, which you can draw out of them.
Sailing and combat
Real-time combat pits your ship against other vessels and Zee-beasts, including spider-crewed dreadnoughts and sentient icebergs. You can upgrade your steamship with powerful engines, cannons and pneumatic torpedo guns, or buy a bigger ship. Trade or smuggle goods such as silk, souls, mushroom wine and hallucinogenic honey.
Your captain’s legacy
Your captain will die, but you can pass resources from one generation to the next. Acquire a family home and a hoard of heirlooms, then build a legacy of zailors who braved the sea and lost—or occasionally won.
Ships and discoveries
The world’s hand-drawn locations include castles of sparkling ice, prisons perched on lily pads and fog-shrouded lighthouses, as well as the DAWN MACHINE. You can also choose a ship’s mascot, such as the Comatose Ferret, the Wretched Mog or the Elegiac Cockatoo.
Frequently asked questions
The best price for Sunless Sea is $2.79 at K4G. That is 56% less than on GOG, where it costs $6.45. 12 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Sunless Sea stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Sunless Sea are: Windows 10, 1 GB RAM, 700 MB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. Sunless Sea is a single-player game.
Mostly, yes. Valve rates Sunless Sea as Playable on the Steam Deck: it runs, but may need some manual setup.
Buy Sunless Sea 85% cheaper than on GOG.
Sunless Sea is available for 85% less in shops such as K4G, Difmark, or Kinguin.
GOG lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. GOG offers no buyer protection for keys bought in other shops and doesn't refund them.












