Ad Nauseam is a psychological thriller adventure game designed for Windows, combining elements of visual novels, RPGs, and point-and-click gameplay. Players navigate through a haunting, liminal hospital environment as they embody an amnesiac protagonist confronting both external and internal horrors. The game emphasizes choice, allowing players to delve into the complexities of trauma and the coping mechanisms individuals may employ. With its immersive narrative and intricate decision-making, Ad Nauseam offers a unique exploration of memory and self-discovery.

The gameplay mechanics encourage players to uncover secrets within the eerie setting, enhancing the psychological depth of the experience. Players are challenged to confront their fears and limitations while making choices that will influence the outcome of their journey. Ad Nauseam stands out for its engaging storytelling and rich atmosphere, making it a compelling entry in the adventure genre.