Room 6 (2006)

In 'Room 6', a group of friends discovers an abandoned hospital with a dark past. As they explore the haunted building, they each experience horrifying hallucinations and confront their deepest fears. The hospital's demonic presence takes hold, leading to a series of terrifying events including encounters with zombies, demonic entities, and a surgeon who performs surgeries without anesthesia. The friends must find a way to escape before they become trapped forever in the nightmare.