Psychological Thriller

A subgenre of Thriller, Psychological Thrillers also focus on giving thrills to the audience. However, they focus on the characters and their psyches rather than the plot and action. It will often heavily overlap with the Mystery genre.

Philosophical and ethical issues are often explored in Psychological Thrillers. Common narrative devices used to facilitate the exploration of the characters' psyches are Backstory, first person narrative, and Stream of Consciousness.

Anime & Manga

 * The entire When They Cry franchise.
 * Perfect Blue
 * In fact, most (if not all) of Satoshi Kon's works.
 * Monster
 * MW
 * Death Note
 * Anything by Fukumoto, special mention to Akagi which many people praised and enjoyed even without a clue on how to play Mahjong, also Legend of Strongest man Kurosawa, his only manga not about gambling.
 * Onani Master Kurosawa (AKA fapnote) is about a guy who likes to fap after class in the school's girls bathroom, Way way Better Than It Sounds.
 * Pandora Hearts
 * Liar Game

Fan Fiction

 * Kira Is Justice

Film

 * Arlington Road
 * Black Swan
 * Before the Devil Knows You're Dead
 * The Cell
 * Memento
 * M Night Shyamalan is fond of these, including Unbreakable and The Village.
 * Hannibal
 * In the Line of Fire
 * Koma
 * One Hour Photo
 * Identity
 * Phone Booth
 * The Butterfly Effect
 * Flight Plan
 * Ils
 * Jacobs Ladder
 * Martha Marcy May Marlene
 * Silence of the Lambs
 * The Element of Crime
 * Donnie Darko
 * Fight Club
 * Sucker Punch
 * Red Eye
 * Confessions

Live-Acton TV

 * Homeland

Literature

 * Sarah Waters' Affinity
 * Patricia Highsmith's Tom Ripley short stories.
 * Many of Desmond Cory's novels, including Deadfall.
 * Many of Mary Higgins Clark's novels.
 * Agatha Christie's And Then There Were None contains elements of this, but the Russian movie version expands on it. The result is very pleasing to watch.
 * Bad Monkeys.

Video Games

 * Heavy Rain
 * Killer 7, particularly, its last couple levels.