Insomnis (v1.00) [gog] Apr 2026

In the atmospheric horror game , the story centers on Joe Castevet , who has just inherited a sprawling, mysterious estate from his recently deceased grandfather, the famous scientist Roman Castevet . The Descent into the Castevet Manor

Upon arriving at the Castevet Manor to settle his grandfather's affairs, Joe finds the residence is far from a standard inheritance. As he explores the dark, changing rooms of the mansion, he quickly realizes that Roman was involved in unsettling scientific experiments. Insomnis (v1.00) [GOG]

The story features multiple endings . The player's moral choices and interactions with the manor's secrets ultimately determine the fate of Joe and the other trapped souls. Insomnis on GOG.com In the atmospheric horror game , the story

Joe uncovers that he is not alone in the house, eventually confronting the haunting presence of those impacted by his grandfather's work. The story features multiple endings

The mansion itself acts as an antagonist; rooms physically shift, and manifestations of Joe's worst nightmares appear as the "hours" pass.