Game
App 754890
Firmament
Cyan Worlds, Inc. · released May 18, 2023
Firmament is a new puzzle-adventure game by the legendary game studio behind the best-selling games Myst and Riven. Featuring deep storytelling and world-building, discover the story of this seemingly abandoned world as you explore and unlock the mysteries of 3 unique Realms… and beyond!
Price
$34.99
US store
Reviews
71%
916 · Mostly Positive
Playing now
1
sampled 16h ago
24h peak
1
all-time seen 4
Followers
—
Steam community hub
Owners (est.)
~27.5K
13.7K – 44K
YouTube activity
0
videos · 30 d24
creators1.6K
views · 1 yTwitch activity
1
avg viewers · 30 d79
hours watched · 30 d2
streamers · 30 dProduct info
from Steam's PICS · read 3d ago- Change number
- 39,532,866
- Public build
- 22,290,941 · Mar 13, 2026 (8mo ago)
- Operating systems
- windows, macos
- Architecture
- 64-bit
- Install size
- 34 GB · 25 GB download
- Install folder
Firmament- Controller support
- Full
- Metacritic
- —
- Homepage
- cyan.com/firmament
- Release state
- released
- Community
- hub · stats
Steam Deck
VerifiedTested May 11, 2023 on build 11,184,628
- ✓Default controller config fully functional
- ✓Controller glyphs match deck device
- ✓Interface text is legible
- ✓Default configuration is performant
- iExternal controllers not supported primary player
Branches · 2
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 22,290,941 | Mar 13, 2026 · 8mo ago | |
| rollback_macos_under14-5 | 16,320,978 | Nov 7, 2024 · 2y ago | Only use this branch if you wish to play an unsupported (legacy) version of Firmament on MacOS under 14.5. |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 22,290,941 | public | Mar 13, 2026 20:46 | 3d ago |
| 16,320,978 | rollback_macos_under14-5 | Nov 7, 2024 00:27 | 3d ago |
Depots · 7
content of the public branch| Depot | Name | OS | Language | DLC / shared | Size | Download | Manifest |
|---|---|---|---|---|---|---|---|
| 754891 | windows 64-bit | 12 GB | 11 GB | 8465287121598920347 | |||
| 754892 | windows 64-bit | 2.0 GB | 860 MB | 5730710343613923215 | |||
| 754893 | macos | 21 GB | 13 GB | 7245576532257159391 | |||
| 228988 | windows | shared from #228980 | — | — | |||
| 228989 | windows | shared from #228980 | — | — | |||
| 228990 | windows | shared from #228980 | — | — | |||
| 229005 | windows | shared from #228980 | — | — |
Launch options · 6
| Executable | OS | Description |
|---|---|---|
Firmament.exe-d3d12 -nohmd |
windows 64-bit | |
ProofOfConcept/Firmament.exe-launchinvr -vr |
windows 64-bit beta: proofofconcept | Proof of Concept in VR |
Firmament.app |
macos | |
ProofOfConcept/Firmament.exe-d3d11 |
windows 64-bit beta: proofofconcept | Proof of Concept |
Firmament.exe-vr |
windows 64-bit | Firmament in VR |
Firmament/Binaries/Mac/Firmament-Mac-Shipping.app |
macos beta: rollback_macos_under14-5 | legacy MacOS < 14.5 build |
Languages · 11
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| Spanish - Latin America | ✓ | — | ✓ |
| French | ✓ | — | ✓ |
| German | ✓ | — | ✓ |
| Polish | ✓ | — | ✓ |
| English | ✓ | ✓ | ✓ |
| Italian | ✓ | — | ✓ |
| Korean | ✓ | — | ✓ |
| Russian | ✓ | — | ✓ |
| Japanese | ✓ | — | ✓ |
| Simplified Chinese | ✓ | — | ✓ |
| Portuguese - Brazil | ✓ | — | ✓ |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 222521 | Firmament | Store or CD key | $34.99 |
Bundles · 1
all bundles| Bundle | Games | Bundle discount | Price |
|---|---|---|---|
| Firmament - The Keepers' Bundle | 1 | -20% | $51.16 |
DLC in product info · 2
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.