Game
App 3582390
Sinisomnia
Sinisomnia is a psychological point-and-click horror game that traps you in a looping nightmare of uncertainty and dread. Scattered fragments, unsettling oddities, and the constant sense that something isn’t right await at every turn.
Price
$6.99
US store
Reviews
89%
38 · Positive
Playing now
0
sampled 22h ago
24h peak
0
all-time seen 0
Followers
—
Steam community hub
Owners (est.)
~1.1K
570 – 1.8K
YouTube activity
—
videos · 30 d—
creators—
views · 1 yTwitch activity
—
avg viewers · 30 d—
hours watched · 30 d—
streamers · 30 dProduct info
from Steam's PICS · read 4d ago- Change number
- 34,966,065
- Public build
- 21,459,060 · Jan 12, 2026 (10mo ago)
- Operating systems
- windows, macos
- Architecture
- 64-bit
- Install size
- 6.5 GB · 3.5 GB download
- Install folder
Sinisomnia- Controller support
- —
- Metacritic
- —
- Homepage
- fictionroast.com
- Release state
- released
- Community
- hub · stats
Steam Deck
UnknownNo Deck test results published.
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 21,459,060 | Jan 12, 2026 · 10mo ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 21,459,060 | public | Jan 12, 2026 02:36 | 4d ago |
Depots · 3
content of the public branch| Depot | Name | OS | Language | DLC / shared | Size | Download | Manifest |
|---|---|---|---|---|---|---|---|
| 3582391 | windows | 3.2 GB | 1.7 GB | 319643960856805310 | |||
| 3582392 | macos | 3.2 GB | 1.7 GB | 2316455892226828356 | |||
| 4043780 | all | DLC Sinisomnia - Digital Artbook | 119 MB | 118 MB | 6864367731572911998 |
Launch options · 2
| Executable | OS | Description |
|---|---|---|
Sinisomnia/Sinisomnia.exe |
windows | Launch Windows Build |
Sinisomnia.app |
macos | Launch Mac Build |
Languages · 3
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | ✓ | — | ✓ |
| Korean | ✓ | — | ✓ |
| Japanese | ✓ | — | ✓ |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 1263763 | Sinisomnia | Store or CD key | $6.99 |
Bundles · 0
all bundlesNot part of any bundle we know.
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.