Firmament is a puzzle-adventure game developed by Cyan Worlds, renowned for creating immersive experiences in the gaming world. Set in a richly crafted steampunk universe, players embark on a journey through three unique Realms, each filled with intricate puzzles and captivating storytelling. The game emphasizes exploration and discovery, inviting players to unlock the secrets of a seemingly abandoned world while engaging with a variety of interactive devices.

At the heart of the gameplay is the "Adjunct," a device that serves as the player's interface for solving puzzles and interacting with the environment. Players are accompanied by a mysterious apparition, adding depth to the narrative as they uncover the purpose of the Realms and the true nature of their companion. With stunning visuals and a compelling storyline, Firmament offers an engaging experience for puzzle enthusiasts and adventure seekers alike.