Single-player games like SUNLESS SEA
Below are 14 single-player Steam games similar to SUNLESS SEA, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like SUNLESS SEA page.
Ranked picks
- 1

Sunless Skies: Sovereign Edition
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and Adventure with SUNLESS SEA.
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.
- 2

Darkwood
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Adventure and RPG with SUNLESS SEA.
Darkwood - a new perspective on survival horror. Scavenge and explore a rich, ever-changing free-roam world by day, then hunker down in your hideout and pray for the morning light.
- 3

A House of Many Doors
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and RPG with SUNLESS SEA.
Explore the House, a parasite dimension that steals from other worlds, in a train that scuttles on mechanical legs.
- 4

Rooten
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and Adventure with SUNLESS SEA.
There is only you and the Forest. In "Rooten" there are no compulsory tasks, time just goes by, and days pass by independently of you. You can explore the Forest, try to get out, or even do nothing at all. The forest has always been here, and always will be. You won't change it no matter what.
- 5

The Last Cargo
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and Adventure with SUNLESS SEA.
The Last Cargo is a dark survival horror - where your road to independence leads through the hell of imprisonment.
- 6

WORLD OF HORROR
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and RPG with SUNLESS SEA.
Experience the quiet terror of this 1-bit love letter to Junji Ito and H.P. Lovecraft. Navigate a hellish roguelite reality with turn-based combat and unforgiving choices. Experiment with your deck of event cards to discover new forms of cosmic horror in every playthrough. The inevitable awaits...
- 7

Lolita Expedition
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and Adventure with SUNLESS SEA.
Around a game called《Lolita Expedition》, it tells the story of playing in dreams and the incredible things that all kinds of players encounter here. It seems that dreams are invading the real world. In order to uncover the truth of the event, we did our best to investigate……
- 8

Darkest Dungeon®
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and RPG with SUNLESS SEA.
Darkest Dungeon is a challenging gothic roguelike turn-based RPG about the psychological stresses of adventuring. Recruit, train, and lead a team of flawed heroes against unimaginable horrors, stress, disease, and the ever-encroaching dark. Can you keep your heroes together when all hope is lost?
- 9

Cultist Simulator
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and RPG with SUNLESS SEA.
Seize forbidden treasures. Summon alien gods. Feed on your disciples. Cultist Simulator is a game of apocalypse and yearning. Play as a seeker after unholy mysteries, in a 1920s-themed setting of hidden gods and secret histories.
- 10

Barotrauma
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie with SUNLESS SEA.
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
- 11

ThroneBreaker
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and RPG with SUNLESS SEA.
You play whose family was executed under the orders of a ruthless king Through years of cunning strategy and dangerous alliances, you lead a rebellion and seize the throne for yourself. But the crown is no sanctuary. Years later, just as you begin to rebuild the realm an assassin’s blade finds you.
- 12

Pathologic Classic HD
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and Adventure with SUNLESS SEA.
Pathologic Classic HD is the Definitive Edition of the original Cult Classic Psychological First-Person Survival game. In this unforgettable experience, players control one of three unique characters as they try to save a mysterious town from a deadly plague that cannot be stopped.
- 13

The Great Tournament
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares Indie and Adventure with SUNLESS SEA.
Play a young peasant boy who becomes squire to a legendary knight. Travel the realm competing in jousts, archery, and melee competitions. Train hard in order to become a powerful knight and eventually compete in The Great Tournament to decide the fate of the realm in this medieval story.
- 14

Mask of the Rose
Single-player alternative to SUNLESS SEA — playable solo, no multiplayer required. Shares RPG with SUNLESS SEA.
A marvellous romance with a hint of murder, where every playthrough is different! Seek love, friendship, or more... intimate encounters. Help a murdered man find justice. And watch out for the bats.