Marginalia is an immersive first-person horror adventure game set in the eerie valley of Kestlebrook. Players take on the role of a character who receives a mysterious letter from Eric, prompting them to explore the unsettling landscape and uncover the secrets of the past. The game combines elements of exploration and puzzle-solving, creating an atmospheric experience that keeps players engaged as they navigate through the chilling environment.

As players delve deeper into Kestlebrook, they will encounter various challenges and clues that reveal the intertwining narratives of history and the present. The haunting visuals and sound design enhance the overall experience, making every moment suspenseful. Marginalia invites players to unravel the mystery of Eric's disappearance while confronting the unsettling realities of the valley, ensuring an unforgettable journey through a world where time and space are distorted.