From the team that brought players Quern, Dimhaven blends adventure, puzzle-solving and narrative-driven storytelling into an experience unlike anything before.
Budapest, Hungary – April 29, 2026– Developer Zadbox Entertainment and indie publisher Blue Brain Games today announced that Dimhaven – The Lost Source will release on PC via Steam in June 2026. Wishlisted by over 60,000 players, this first person mystery adventure invites players to step into the shoes of Emily Ravenstone and uncover the secrets of a forgotten island.Â
To mark the announcement, the team has released a lost tape from Dimhaven – not a trailer, but a window into the world itself: the atmosphere, the world, the mood that awaits this summer. A free demo is available now on Steam, offering a glimpse into the retro European inspired tourist paradise and the mysterious events that left it abandoned.
About the Game
The team behind Quern brings a new narrative-driven first-person adventure: Dimhaven – The Lost Source. Puzzle solving, dialogues and optional challenges lead you through the story: you travel to the island of Dimhaven to investigate the disappearance of your uncle. But that’s only the beginning…
Key Features
- First-Person Adventure from the team behind Quern – Step into the role of Emily Ravenstone and experience Dimhaven through her eyes as you explore a remote, mist-shrouded island in search of your missing uncle. Explore abandoned tourist sites, forgotten interiors, and eerie natural landscapes in a narrative driven mystery adventure.
- Realistic Retro, European Inspired World – Explore a once vibrant tourist paradise shaped by retro European architecture, design, and atmosphere. Now almost completely abandoned and isolated, Dimhaven offers a haunting sense of nostalgia – a world that feels both familiar and mysterious.
- Interconnected and Complex Puzzles – Solve puzzles, investigate locations, seek clues, and unlock hidden mechanisms through satisfying and rewarding gameplay. Every discovery brings you close to understanding the strange events that took place.
- Investigative Elements – Piece together the truth behind the strange events through storytelling, documents, objects, and locations. Every detail may hold meaning, encouraging players to examine their surroundings closely and uncover the mysteries hidden across the island.
- Camera and Notebook – Use Emily’s camera and notebook as essential investigative tools throughout the game. Capture important details, record discoveries, and keep a track of clues as you test your wits and uncover the secrets hidden in Dimhaven.
About Blue Brain Games
Blue Brain Games is an indie game developer and publisher based in Bratislava, Slovakia. Best known for the globally acclaimed The House of Da Vinci series, we craft puzzle adventures where history, storytelling, and imagination blend seamlessly. Since 2016, our titles have been enjoyed by more than 5 million players across PC, mobile, and consoles.
About Zadbox Entertainment
Zadbox Entertainment is an innovative puzzle game studio founded in 2015, specializing in atmospheric first-person adventures that challenge players’ minds and imagination. From our successful beginnings with a crowdfunded vision, we’ve grown into a recognized name in sophisticated puzzle design and storytelling.
Our debut title, Quern: Undying Thoughts, has established itself as a benchmark in the modern adventure genre, earning exceptional acclaim across all major platforms with a 91% positive rating on Steam and 4+ stars across PlayStation, Xbox, GOG, and Metacritic. With over 200,000 units sold, our dedicated community continues to grow, drawn to our unique approach to puzzle design and atmospheric worldbuilding.
At Zadbox, we’re devoted to redefining the boundaries of puzzle gaming through immersive narratives, intricate challenge design, and rich, atmospheric environments.

