Sunless Skies: Sovereign Edition

Sunless Skies: Sovereign Edition

Released Jan 2019

SAIL THE STARS. BETRAY YOUR QUEEN. MURDER A SUN. Sunless Skies is a Gothic Horror roleplay game with a focus on exploration and exquisite storytelling.

84% positive · 3,456 reviews Definitive edition
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence

Where to buy

Steam $9.99 $24.99 −60%
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Evaluation

Sunless Skies: Sovereign Edition is the explicitly named complete and definitive version of Sunless Skies. The store description states directly that it "is the complete and definitive version of Sunless Skies," incorporating all additions made since the original January 31, 2019 launch — new officers, enemies, engines, stories, mascots, a fully reworked region, Full Steam Mode, and numerous quality-of-life improvements. The Sovereign Edition launched on May 19, 2021 (simultaneously on PC as a free update and on consoles for the first time). A January 31, 2020 developer post confirmed this would be "most likely the game's final major update" and described it as "the definitive version of Sunless Skies." The Sovereign Edition release on May 19, 2021 fulfilled that promise exactly. Since the Sovereign Edition launched, developer activity has been limited to maintenance: a small narrative patch on June 27, 2024 (coinciding with the game's arrival on the Epic Games Store), and a Unity security vulnerability patch on October 20, 2025. Neither patch introduced new content. There are no unreleased DLC entries, no announced future content, and no roadmap pointing to further development of this game. The only DLC ever listed is the soundtrack, which released at launch. This game reached its intended complete state with the Sovereign Edition on May 19, 2021, and Failbetter Games has since moved on to other projects (including Mask of the Rose and a Fallen London tabletop RPG).
Evidence
Store description explicitly states Sunless Skies: Sovereign Edition is 'the complete and definitive version of Sunless Skies,' incorporating all additions made since launch.
description · May 19, 2021 source development ending
high
Sovereign Edition launched on PC (as a free update) and consoles, described as containing 'literally hundreds of other improvements, bug fixes, and optimisations' plus everything added since original launch.
news post · May 19, 2021 source content shipped
high

Content

1 of 1 released · no outstanding content
Released
Jan 2019

Media

Details

Publisher
Failbetter Games
Achievements
31
Platform
Windows, macOS, Linux
Controller
full support
Steam Deck
Playable
Players
Single-player

About this game


Captain a spacefaring steam locomotive as a new Victorian empire takes to the stars! Lead your hapless crew into trouble – and out of their minds. Smuggle souls. Barter for barrels of time. Stop for cricket (and a nice cup of tea).



Sunless Skies: Sovereign Edition is the complete and definitive version of Sunless Skies. It incorporates the many additions made since launch – including new officers, enemies, engines, stories, and mascots, as well as a completely reworked region, a full steam mode for long journeys and desperate escapes, and the much-requested horn – as well as dozens of quality of life improvements.

Create your past


Choose who you were before you became a skyfarer. An urchin? A priest? A revolutionary? What brought you here, and what are you hiding?



Each time your character advances, choose another facet of their history. Were they the Black Sheep of the family? Do they have a Lost Love?

The skies are cruel. Most of your captains will die. But each will leave their mark on the world, and an inheritance for those who follow – for better or worse.

Explore a beautiful, hostile universe





Discover more of the deep, dark, marvellous Fallen London Universe, as seen in our previous game, Sunless Sea. (But you don’t have to play that first! This is a totally new story, not a sequel.)

Improve your locomotive





Your locomotive is all that stands between you and the many dangers of the Heavens. Maintain and upgrade it with exotic weaponry and equipment, like a Pneumatic Mining Array, or the rapid-fire Brassraven. Learn how to craft exotic weapons like the Wrath of Heaven from your defeated enemies. And when you have enough funds, buy an entirely new one! Perhaps you would enjoy the capacity of the Pellinore-class Trader? Or the sleek malevolence of a Medea-class Destroyer?

Fight marauders, Her Majesty’s agents, and abominations of the skies





Face rival locomotives – anything from scrappy pirates to experimental warships of the imperial navy. Battle monsters like the nightmarish Undeparted, or swarms of irate Chorister-bees. Play different factions against each other, and learn the unique behaviours of each foe. Use Full Steam mode to evade trouble or chase down your quarry.

Survive starvation, madness and terror





Manage your crew’s morale and your captain’s own nightmares. Balance your fuel and supplies against your desire to explore new horizons, or pursue knowledge, or seize riches.

Beware: we are all changed by the dark.

Recruit variously helpful officers





Populate your ship with upgradeable officers, each with their own quest to fulfill: a repentant devil, an incognito princess, an entire brigade of rats, and – dear god! – your own Aunt?! How did she get out here?

The World


Unfettered by gravity, the Victorian Empire begins to reach across the skies. It has built a new sun. The Empress reigns from the Throne of Hours, which gives her control over time. Its ambition is vast; its mercy slim.

The High Wilderness is a wondrous, horrifying vision of space where the rules are not as we imagined. Winds howl through shattered celestial ruins. Fogs coil amidst stellar jungles. Industrial sprawl chokes the heavens with smog.

The stars are alive. They are the Judgements: vast intelligences that govern all things. But they are dying. One by one, something is snuffing them out, leaving their thrones empty.

Your captain must make their way in this impossible world as they trade, explore, fight and survive. Pick your side carefully, for you might be the thing that tips the balance of power – will you support Her Majesty's new empire, or the rebels who mean to throw off London's rule? Or perhaps you spurn such concerns, and intend to chart the narrow course between the two? Will you retire triumphant, or be lost to the dark?

Features

  • 800,000+ words of intertwining stories with a depth and richness unlike anything else in games, inspired by CS Lewis, Jules Verne, HP Lovecraft and HG Wells
  • Lush, hand-drawn 2d art
  • Four regions to explore: celestial wilderness, impossible industrial empire, pagan midnight expanse, and the domain of the dead
  • Real time combat against horrifying celestial foes and merciless pirates
  • Upgrade your engine with bizarre equipment and powerful weaponry
  • Battle starvation, mutiny, terror and nightmares – or give in to them
  • A choice of play styles: build a lineage of captains as each dies, or reload your most recent captain and continue
  • Narrative levelling: discover your captain’s past as you traverse the skies
  • Earn your fortune in a unique, story-rich trading system, or risk it all to become a smuggler
  • Collect pets: the Inadvisably Big Dog, Useless Cat, Perfect Pangolin and more
  • Key remapping for keyboard and mouse, and full controller support

Who are Failbetter Games?


We’re a small British games studio based in London. We’ve been making indie games since 2009. Come with us into the dark.
Last evaluated Jun 27, 2026
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