The movie 'Us' delves into the psychological horror of doppelgangers, where a family is confronted by their own evil counterparts, creating a terrifying exploration of identity and the fear of the unknown.

In 'The Babadook', the titular entity, known as 'The Babadook', represents the protagonist's inner demons and unresolved trauma, manifesting as a terrifying figure that haunts her and her son.

In 'The Shining', Stephen King delves into the psychological horror of isolation and obsession, as the protagonist, Jack Torrance, becomes consumed by the malevolent forces residing in the Overlook Hotel, leading to his descent into madness.

In 'The Sixth Sense', Cole Sear is the young boy who possesses the ability to see and communicate with ghosts, leading him to confront his own fears and help others who are haunted by their past.

In 'Hereditary', the psychological horror revolves around the Graham family, who are haunted by a dark secret from their past that resurfaces, leading to a terrifying exploration of hereditary trauma and the consequences of unresolved grief.

In 'The Conjuring', Ed and Lorraine Warren are the renowned paranormal investigators who are called upon to help a family terrorized by a malevolent entity in their Rhode Island farmhouse.

In 'The Haunting of Hill House', Shirley Jackson delves into the psychological horror of isolation and paranoia, as a group of people are invited to stay in a supposedly haunted mansion, leading to a terrifying exploration of the fragility of the human psyche.

In 'Insidious', astral projection is the ability that allows the protagonist, Josh Lambert, to travel between the physical and spiritual realms, leading to a terrifying encounter with malevolent entities.

In 'The Ring', the psychological horror revolves around a cursed videotape that kills anyone who watches it within seven days, leading to a terrifying race against time to break the curse.

In 'The Blair Witch Project', the Blair Witch Forest is the setting where three student filmmakers disappear while making a documentary about the local legend of the Blair Witch, leading to a terrifying exploration of the unknown.

In 'The Call of Cthulhu', H.P. Lovecraft delves into the psychological horror of cosmic horror, as the protagonist encounters an ancient and malevolent entity known as Cthulhu, leading to a terrifying exploration of the insignificance of humanity in the face of vast and incomprehensible cosmic forces.

In 'The Nun', Valak is the demonic nun who haunts a secluded Romanian abbey and terrorizes a young nun and a priest, leading to a terrifying exploration of demonic possession and the dark forces that lurk within.

In 'Midsommar', the psychological horror revolves around a group of friends who travel to a remote Swedish village for a midsummer festival, where they encounter a mysterious cult that brainwashes its members and commits ritualistic sacrifices.

In 'The Invitation', the psychological horror unfolds during a dinner party hosted by a mysterious and manipulative couple, where the guests find themselves trapped in a terrifying nightmare, leading to a struggle for survival.

In 'The Tell-Tale Heart', Edgar Allan Poe delves into the psychological horror of guilt and madness, as the protagonist, a murderer, is haunted by the beating heart of his victim, leading to a terrifying exploration of the consequences of one's actions.