Firmament (Steam)

About this licence

Firmament is a narrative-driven puzzle adventure game developed by Cyan Worlds, the creators of Myst and Obduction. Set in a richly detailed steampunk-inspired world, players explore mysterious realms, solve intricate puzzles, and uncover the story of a forgotten civilization. The game features stunning visuals and an immersive atmosphere, with a focus on exploration and discovery. Activate the key on Steam to download and play the game on your PC. The product is a full game, not a demo or trial, and includes all content available at launch.

• Explore beautifully crafted steampunk worlds
• Solve challenging puzzles to progress the story
• Immerse yourself in a rich narrative experience
• Global activation – play from anywhere
• Lifetime access with instant digital delivery

Product details

System requirements

Product-specific requirements have not yet been verified. Check the publisher’s compatibility information before purchase or ask support to confirm your setup.

Activation & installation overview

1. 1Open your platform (e.g. Steam) and choose ‘Activate a Product’.
2. 2Enter the key from your secure order page.
3. 3The title is added to your library — download and play.

This is a general activation overview; publisher screens can vary by edition and version.