Delirium (2018) is a psychological horror thriller that masterfully blends supernatural elements with deep-seated psychological trauma. The film follows Tom, a man recently released from a mental institution who inherits a sprawling mansion after the mysterious deaths of his wealthy parents. As he attempts to rebuild his life in the isolated estate, a series of increasingly disturbing events unfolds, leading him to question whether the house is truly haunted or if his own fragile psyche is unraveling once again.

Director Dennis Iliadis creates a tense, atmospheric experience that keeps viewers guessing until the final moments. The film's strength lies in its ability to maintain ambiguity between supernatural horror and psychological breakdown, reflecting the protagonist's own uncertainty. The mansion itself becomes a character—a gothic, oppressive presence that amplifies Tom's isolation and paranoia.

Mike Vogel delivers a compelling performance as Tom, effectively portraying a man caught between reality and delusion. The supporting cast adds layers to the mystery, each character potentially holding clues to the mansion's dark secrets. With its 96-minute runtime, Delirium maintains tight pacing, gradually escalating tension through clever sound design, shadowy cinematography, and well-timed jump scares that serve the story rather than distract from it.

While the film received a modest 5.7 IMDb rating, it offers genuine scares and psychological depth that horror enthusiasts will appreciate. The exploration of inherited trauma, the blurred lines between mental illness and supernatural phenomena, and the haunting atmosphere make Delirium worth watching for fans of thoughtful horror. The film's conclusion provides satisfying resolution while leaving room for interpretation, making it perfect for discussions about reality versus perception in horror cinema.