
Game Overview
A vast, abandoned-looking complex of brass machinery, icy caverns, and impossible industrial architecture sets the stage for Firmament, Cyan Worlds’ atmospheric puzzle adventure. Its mysteries unfold slowly across three distinct Realms, each built around enormous systems whose purpose is as unclear as the fate of the people who once operated them. The result carries the solitary, contemplative mood associated with Myst and Riven, but trades many of their static vistas for more physical spaces and a stronger steampunk identity. A spectral companion follows your investigation, adding a human thread to a world otherwise defined by silence, scale, and unanswered questions.
Progress centers on searching environments for clues, understanding how their machinery functions, and using the Adjunct, a handheld device that connects to mechanisms throughout the world. Puzzles ask players to observe carefully, trace cause and effect across large areas, manipulate power systems, and gradually gain access to previously unreachable locations. Firmament does not rely on combat or conventional character upgrades; advancement comes from knowledge, curiosity, and the satisfaction of finally understanding a device that initially seems incomprehensible. The game supports both standard screen play and VR, with free-movement and teleport options for headsets including Valve Index, HTC Vive, Oculus Rift, Rift S, and Quest 2 through Link.
What separates Firmament from many first-person puzzle games is its commitment to making every strange contraption feel like part of a larger, functioning place rather than a detached brainteaser. Cyan’s richly rendered environments reward slow exploration, while the layered narrative encourages players to question the intentions of the spirit beside them and the institutions behind the Realms. Some puzzles demand patience and a willingness to revisit earlier observations, making the experience more methodical than action-heavy adventures. Fans of Myst, The Witness, and Obduction should feel at home, while VR players looking for a substantial, story-driven puzzle journey get one of the genre’s more striking worlds to inhabit.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a Firmament folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: AMD Ryzen 7 2700X Eight-Core Processor (16 CPUs), ~3.7GHz; Intel i5 7000 series
- Memory: 16 GB RAM
- Graphics: AMD Radeon RX 5700XT; NVIDIA GeForce GTX 1070 8GB
- DirectX: Version 11
- Storage: 20 GB available space
- Sound Card: N/A
- VR Support: SteamVR – Rift, Rift S, Quest 2 via Link, HTC Vive, Vive Pro, Index
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Firmament (v1.0.3)?
After extracting Firmament (v1.0.3), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 12.16 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Do I need to run the game as administrator?
Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements, including Version 11. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.
My antivirus is blocking the game — is it safe?
A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.