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…

Find out more

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.

Read more

Latest news

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 […]

Read more

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 […]

Read more

New content in Sunless Sea!
Oct 11, 12:00am

We’re beginning the launch day celebrations for Zubmariner with a delicious piece of news for all owners of Sunless Sea: we’ve given you some chunky new quests in the base game! You don’t need to buy Zubmariner to enjoy them (though some will give you a little taste of what’s in store, down below). New faces in […]

Read more


Oct 19, 11:24am

#Fundbetter game @astronautbest coming up! They need your backing to receive their #Fundbetter funding!

Oct 19, 9:40am

Since the release of Zubmariner we've received quite a few these requests from players. Can't imagine why!

Oct 18, 9:35pm

Prepare yourselves and find out what has changed for Hallowmas in 1894!

Follow us 


Sign up to our mailing list for news and updates.