Firmament Cover Art

Firmament (v1.0.3)

Adventure 12.16 GB v1.0.3 924 views

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

  1. Click the green button below to be redirected to UploadHaven.
  2. Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
  3. Once downloaded, right-click the .zip file and choose “Extract to Firmament.” (You’ll need 7-Zip for this.)
  4. Open the extracted folder and run the game as administrator.
  5. Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.

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
Last Updated
Status
Online
Looking for a newer update? Request an update
Skip the browser next time Browse, download, extract, and organize your games with the SteamUnlocked Launcher.
Get the Launcher

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.

Why should I run the game as administrator?

Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.

How do I update my GPU drivers for this game?

Firmament (v1.0.3) requires a AMD Radeon RX 5700XT; NVIDIA GeForce GTX 1070 8GB or equivalent. Update your NVIDIA or AMD drivers to the latest version for the best performance.

The game won't launch — what should I try?

This game requires Version 11. Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.

My antivirus is blocking the game — is it safe?

Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.

Need more help? Browse our FAQ & Troubleshooting Guide for solutions to common issues.
Looking for something else? Explore all games on SteamUnlocked
Saved to My Library View Library