Navigate, survive, explore! Roam a vast underground ocean in a customised steamship. Trade with strange new lands. Battle sea monsters. Smuggle souls. Seduce your crew. Go mad and hallucinate lizards. You are the captain. It’s your call…

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Thirty years ago, London was stolen. Now it rests on the shore of the Unterzee, that old dark ocean under the world. Hell is close, immortality is cheap, and the screaming has largely stopped…

Enter the city

Failbetter Games

Purveyors of only the finest examples of interactive narrative – Failbetter are an independent games studio, creating games and stories mostly set in the Fallen London Universe. At present there’s Fallen London itself, a highly acclaimed Victorian fantasy RPG set in a unique subterranean city, and Sunless Sea, an exploration and trading game set in a vast underground ocean of the same world.

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Latest news

Hallowmas 1894 is here!
Oct 24, 12:00am

A fierce explosion shakes London. It reverberates through the cobbles like the passing of an underground train. Flakes of ash – or snow? – rain down upon nearby roofs…An unexpected delivery has brought Hallowmas to your feet! Hallowmas has returned! The Feast of Masks will take place from 24th October until the 7th November. This […]

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What’s New in Hallowmas 1894
Oct 18, 12:00am

The Feast of Masks will take place from 24th October until the 7th November. But be aware, this festival of confessions and betrayal is unlike the ones that have come before it, and you may find that not everything will be revealed at once. New for Hallowmas 1894 The Hallowmas of 1894 will include some […]

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LOSE YOUR MIND. EAT YOUR CREW. DIVE. Zubmariner is here!
Oct 11, 12:00am

Out now on Steam! Take the helm of your zubmarine and set sail for the unknown! Zubmariner is the first expansion to Sunless Sea: deeper, darker, and more marvellous than anything you’ve seen before. All the powers of the Neath agree: there is Nothing of Consequence beneath the Zee. They are lying. You’ve heard there […]

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Oct 25, 9:30pm

In the spirit of Hallowmas, we've decided to share a few of our own confessions..#HallowmasTrade @WGoodspeed

Oct 25, 9:10pm

If you want a Map of the Known Unterzee, place your order by noon GMT on 28 November! This is your last opportunity:

Oct 25, 3:56pm

Sunless Sea maps by @Gamers_Edition! Final print run! Delivery by Christmas! Don't miss out:

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