The Inpatient is a standalone, virtual reality horror game for the PlayStation 4 set in the world of Until Dawn. The game was developed by Supermassive Games and released by Sony Interactive Entertainment in January 2018.

The game puts players in the shoes of a patient in the Blackwood Sanatorium, a once-thriving asylum in 1950s England. Players must explore the halls of the asylum and uncover the secrets behind the institution's mysterious experiments. The game is designed to be immersive and tense, requiring players to pay close attention to their environment and question their own sense of identity.

The Inpatient's story focuses on suspense, mystery, and disturbing discoveries as players uncover the chilling secrets of the Sanatorium. The game is narrated by the game's main character, who is slowly losing his memory and unsure of why he is there. Players must investigate their surroundings and search for vital clues that will help them piece together their past. Throughout the investigation, players are faced with a variety of puzzle-solving challenges and moral dilemmas that will shape their experience and the outcome.

The Inpatient features scarily detailed character models, with expressive facial animations that allow for a wide range of emotions and reactions. The game also utilizes spatialized voice audio and psychogenic voice analysis to create an even richer experience. Players can even choose from multiple dialogue options in conversations, thus allowing for greater role-playing as they make decisions that will determine the game's outcome.

The game's sound design is also carefully crafted to add a sense of dread and tension while exploring the Sanatorium, as the player learns of its haunted past. All of these elements combine to create an immersive virtual reality horror experience. The game supports PlayStation Move and other motion-control systems, allowing players to manipulate objects in the environment as they go about their investigation.

Overall, The Inpatient is an intense and thrilling horror game that offers a gripping exploration of identity, insanity, and morality. Its detailed visuals, immersive audio, and interactive puzzles are sure to keep player's on their toes, as they investigate the secrets of the Sanatorium and the mysteries of their own psyche.