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

Sunless Skies Patch Notes – (29th August 2018)
Aug 29, 12:00am

Build Version: Release Date: 29/08/2018 Known Issues What’s New Combat Agent behaviour We’ve spent a lot of time improving the Agent behaviour in this build. We want combat to feel diverse, realistic, fun and above all tense. Each encounter should be a challenge with different Agents employing different tactics, and likewise the player should need […]

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Sunless Skies Update: COMBAT II
Aug 29, 12:00am

Today’s release is all about improvements to combat! In order to make combat more satisfying. We’ve tweaked a lot of AI mechanics so that we can make our agents’ behaviour more nuanced and layered. We’ll go over a few of the most exciting tweaks and improvements to combat below, but if you’re keen to dive […]

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Sep 17, 3:00pm

Have you seen Fallen London's new look? Our beta for the site's redesign is open to all:

Sep 5, 1:01pm

Delicious friends 🎩 Archaeologists at level 2 and above will find three new expeditions to embark on in the Forei…

Sep 3, 9:02am

Another astute fan-made lore video by @_MrFireHead_! If you're intrigued by any of the Tomb Colonists, we recommend…

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