Game
App 304650
SUNLESS SEA
Failbetter Games · released Feb 6, 2015
LOSE YOUR MIND. EAT YOUR CREW. DIE. Take the helm of your steamship and set sail for the unknown! Sunless Sea is a game of discovery, loneliness and frequent death, set in the award-winning Victorian Gothic universe of Fallen London.
Price
$18.99
US store
Reviews
83%
7,650 · Very Positive
Playing now
35
sampled 15h ago
24h peak
35
all-time seen 50
Followers
—
Steam community hub
Owners (est.)
~383K
191K – 612K
YouTube activity
4
videos · 30 d42
creators388K
views · 1 yTwitch activity
0
avg viewers · 30 d14
hours watched · 30 d3
streamers · 30 dProduct info
from Steam's PICS · read 3d ago- Change number
- 38,375,604
- Public build
- 24,946,998 · Aug 27, 2026 (2mo ago)
- Operating systems
- windows, macos, linux
- Architecture
- —
- Install size
- 5.3 GB · 2.1 GB download
- Install folder
SunlessSea- Controller support
- —
- Metacritic
- 81
- Homepage
- www.failbettergames.com/sunless/
- Release state
- released
- Community
- hub · stats
Steam Deck
PlayableTested Sep 13, 2022 on build 3,760,467
- !Default controller config not fully functional
- !Controller glyphs do not match deck device
- !Text input does not automatically invokes keyboard
- !Interface text is not legible
- ✓Default configuration is performant
Branches · 2
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 24,946,998 | Aug 27, 2026 · 2mo ago | |
| legacy | 24,949,779 | Aug 26, 2026 · 2mo ago | Unity 5.5 version |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 24,946,998 | public | Aug 27, 2026 11:05 | 3d ago |
| 24,949,779 | legacy | Aug 26, 2026 12:56 | 3d ago |
Depots · 7
content of the public branch| Depot | Name | OS | Language | DLC / shared | Size | Download | Manifest |
|---|---|---|---|---|---|---|---|
| 304651 | windows | english | 756 MB | 306 MB | 3777491160654089486 | ||
| 304652 | macos | english | 860 MB | 340 MB | 221534124276427066 | ||
| 304653 | linux | english | 774 MB | 311 MB | 9021741538535760209 | ||
| 452530 | all | english | DLC Sunless Sea - Zubmariner | — | — | ||
| 452531 | windows | english | DLC Sunless Sea - Zubmariner | 927 MB | 372 MB | 3619656317164151289 | |
| 452532 | macos | english | DLC Sunless Sea - Zubmariner | 1.0 GB | 405 MB | 2137120213666023890 | |
| 452533 | linux | english | DLC Sunless Sea - Zubmariner | 945 MB | 377 MB | 403894994201738050 |
Launch options · 4
| Executable | OS | Description |
|---|---|---|
Sunless Sea.exe |
windows | Launch |
Sunless Sea.app |
macos | Launch |
Sunless Sea.x86_64 |
linux 64-bit | Launch |
Sunless Sea.x86 |
linux 32-bit beta: legacy | Launch |
Languages · 1
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | ✓ | — | — |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 56873 | SUNLESS SEA | Store or CD key | $18.99 |
Bundles · 3
all bundles| Bundle | Games | Bundle discount | Price |
|---|---|---|---|
| Sunless Sea + Zubmariner bundle | 1 | — | $29.98 |
| The Fallen London Bundle | 3 | -10% | $67.46 |
| Nighthawks x Sunless Sea | 2 | -10% | $32.38 |
DLC in product info · 1
includes DLC not sold separatelyUpdates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
No patch notes seen yet for this game.