Experience the opening of STONEFEATHER for the first time with a free Steam demo launching alongside the Unmistakable Festival and continuing through the Birds of Play Digital Showcase
Lamezia Terme, Italy – September 23, 2026. Indie developer ACGames today announces that the first playable demo for STONEFEATHER, its atmospheric flying adventure built around physics-based movement and exploration, will launch for free on Steam on October 8, 2026, giving players their first opportunity to take to the skies and experience the beginning of the game for themselves.
The demo launches alongside the Unmistakable Steam Festival, running from October 8-12, and will also be available throughout the Birds of Play Steam Digital Showcase, taking place from October 10-16.
STONEFEATHER is an atmospheric flying adventure built around physics-based flight, exploration and discovery. Players take to the skies in a mysterious world where the wind has disappeared, exploring ancient ruins, encountering animal spirits and gradually uncovering the secrets of a world waiting to be awakened.
Set at the very beginning of STONEFEATHER, the demo introduces players to the game’s combat-free approach to flight and exploration, taking them into the Plains, the first large region of the full game. After learning the fundamentals of flight, players are free to explore the landscape at their own pace, discovering ancient ruins, hidden areas and the first clues to the mystery behind the disappearance of the wind.
Watch the STONEFEATHER demo announcement gameplay trailer below
Learn to Fly. Awaken the Wind
Flight is at the heart of STONEFEATHER, with physics-based movement, momentum and exploration driving the experience. The demo introduces the flight controls before giving players the freedom to explore the Plains, where they can unlock Wind Boost to harness the wind and move more quickly through its ruins and landscapes. Along the way, players can discover Butterflies hidden among the ruins, encounter Foxes and complete challenges involving the animal spirits, helping restore energy to the world and gradually awaken the wind. Players will also meet the Elder and begin uncovering the mystery behind its disappearance.
Take Flight on October 8
The free STONEFEATHER demo will be available on Steam from October 8, launching alongside the Unmistakable Festival (October 8-12) and continuing through the Birds of Play Digital Showcase (October 10-16).
Play the free demo, discover the Plains and experience the flight for yourself. Don’t forget to wishlist STONEFEATHER on Steam to follow the game’s journey towards launch.
About ACGames
ACGames is an Italian development small team dedicated to creating evocative, mechanics-driven experiences.
The team creates games that blend evocative worlds with mechanically expressive gameplay, aiming for memorable experiences through atmosphere, movement, and purposeful simplicity. With STONEFEATHER, ACGames is pursuing flow-state flight across silent ruins, guided by curiosity and a hopeful journey to restore what was lost.

