Anime is an animation that originates from Japan and has a variety of genres including comedy, a slice of life, thriller, psychological, and gore, which is why it has been enjoyed by both children and adults. Here are some thriller anime that will make you stunned!
1. Attack on Titan

genre: action, fantasy, drama
episodes: 75
season: 4
Attack On Titan is written by Hajime Isayama and the manga was published by Kodansha. The manga then was adapted to an anime that was released on June 28, 2013. The anime has four seasons, with the last season scheduled on air on January 9, 2022. The anime was produced by WIT (season 1-3) which then later produced by MAPPA (season 4-5). It also has 6 movies that talk about the background of some characters.
Attack On Titan is set in a world where humanity lives inside concrete walls to protect themselves from titans, huge humanoids that devour humans. The story revolves around Eren Yeager, a 15-year-old boy who later joins the scout regiment along with his adoptive sister, Mikasa, and their childhood friend, Armin. They discover the twisted truth about the world.
2. The Promised Neverland

genre: thriller, mystery, and psychological
episodes: 23 episodes
season: 2 seasons
Written by Kaiu Shirai, the manga was published by Shueisha. The manga was adapted to anime by CloverWorks and has 2 seasons and 23 episodes. The first season was released on January 11, 2019 and the second season was released on April 10, 2021.
The anime is about the children in an orphanage called Grace Field House, an orphanage that provides good food, clean clothes, and a warm bed. Our protagonist, Emma along with her friends, Norman and Ray is 11 years old and also the brightest kids in the orphanage. The children there would be adopted before they turned 12. They have a caretaker who they called ‘Mama’. One day, Emma and Norman discovered the secrets that they shouldn’t have known about the orphanage and planned an escape from that orphanage.
3. Danganronpa

genre: thriller, mystery
season: 1 season
episode: 36
Danganronpa is the adaptation of Danganronpa: Trigger Happy Havoc, the first game of the Danganronpa series. The anime was published by Lerche and directed by Seiji Kishi. The first episode was released on July 4, 2013.
The story revolves around the protagonist Makoto Naegi, a high school student who managed to attend a prestigious school named Hope’s Peak Highschool. The students were given titles for whoever are in a chosen field. However, when Makoto enters the school, he met a talking bear named Manokuma. Soon he learns that he and his classmates were trapped in the school until they managed to fulfill Manokuma’s demand, which is to kill another student without others knowing.
4. Deadman Wonderland

genre: thriller, psychological
episode: 13 episodes
season: 1 season
Deadman Wonderland is written by Jinsei Kataoka. It was adapted to an anime on April 17, 2011 and was published by Manglobe. The anime has a movie.
The story starts with Ganta Igarashi and his classmates having class. Not long after that, his whole classmates were massacred by men in red. He was framed and sentenced to death for a crime that he didn’t commit. He was sent to a prison, Deadman Wonderland, which then he met his childhood friend, Shiro.
5. High-Rise Invasion

genre: action, thriller
episode: 12
season: 1 season
High-rise Invasion is written by Tsuina Miura and published by Kodansha. The manga then was adapted to an anime on February 25, 2021 by Zero-G.
The story starts with a girl named Yuri Honjou who woke up and witnessed a masked person chopping off a man’s head with an ax. She realized that she is on top of a skyscraper with bridges connected to other skyscrapers. She has no choice but to run away from the masked murderers that try to kill her. When she found out that her brother is in this new world, she hopes that she could escape this new world with her brother.