Firmament
Steampunk puzzle adventure across three realms of mysterious machines
Cyan Worlds, Inc. · Released May 18, 2023
- Reviews
- Mostly Positive
- 72% of 1,643
- Recent reviews
- Not enough recent
- Players
- 3
- daily peak, Nov 7, 2026
- Steam Deck
- Verified
- Last update on Steam
- 7 months ago
- Mar 13, 2026
What is Firmament?
This single-player puzzle adventure takes place in three steampunk realms that seem abandoned. You explore each realm, use a device called the Adjunct to operate machinery and solve puzzles, and investigate what the realms are for. You can play in VR or on a standard display.
For you if...
- +you enjoy slow exploration through atmospheric mechanical spaces
- +you want a puzzle adventure you can play in VR
Not for you if...
- −you want action rather than exploration and puzzle solving
- −you prefer interacting with objects in ways beyond one tool
What players say
72% of 1,643 reviews are positive
Players praise the scenery and atmosphere. Many find the puzzles simpler and less varied than expected, and complain about backtracking and a story that is largely explained near the end.
How many players finish Firmament?
41% of Steam players have unlocked «All Worlds Must Collide», the achievement for finishing the main story.
Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.
Screenshots and trailer
Firmament system requirements
Minimum: RX 5700XT, 16 GB RAM, 20 GB of disk space.
As published by the developer.
Can my PC run Firmament?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 10
- Processor
- AMD Ryzen 7 2700X Eight-Core Processor (16 CPUs), ~3.7GHz; Intel i5 7000 series
- Graphics
- AMD Radeon RX 5700XT; NVIDIA GeForce GTX 1070 8GB
- Memory
- 16 GB RAM
- Storage
- 20 GB available space
- DirectX
- Version 12
Recommended
- OS
- Windows 11
- Processor
- AMD Ryzen 7 3800X 8-Core Processor (16 CPUs), ~3.9GHz; Intel i5 11000 series
- Graphics
- AMD Radeon RX 6800XT; NVIDIA GeForce GTX 1080 Ti 12GB
- Memory
- 32 GB RAM
- Storage
- 20 GB available space
- DirectX
- Version 12
Does Firmament have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Firmament run on Steam Deck?
Verified Yes, Verified by Valve: it works on Steam Deck out of the box.
- All functionality is accessible with the default controller configuration
- Shows Steam Deck controller icons
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
- External controllers are not supported for the primary player
PC version details
- DRM
- None declared on Steam
- Controller
- Full controller support
- Platforms
- Windows, macOS
- Achievements
- 28
- Steam features
- Cloud saves, Family Sharing, VR
- Languages
- Full audio: English. Text only: French, Italian, German, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America.
Does Firmament use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam
Tags
- Puzzle
- Adventure
- Exploration
- Mystery
- Story Rich
- Singleplayer
- Walking Simulator
- VR
- 3D
- Atmospheric
- Steampunk
- Family Friendly
- Investigation
- Soundtrack
- Cinematic
- Dystopian
Recent updates
- Mar 13, 2026 · Patch 2.1.3
- Nov 18, 2025 · Patch 2.1.2
- Jun 12, 2025 · Patch 2.0.9 (and an update for our Mac users)
- Apr 22, 2025 · Patch 2.0.8 is live!
- Jan 27, 2025 · Patch 2.0.6 is live!
3 DLC available.
