24 Mystery Anime So Addictive You’ll Be Thinking About Them for Years

1980s
By Jasmine Hughes

If you love puzzles, conspiracies, and psychological thrillers, these mystery anime aren’t just must-watch — they’re impossible to forget. Whether you’re into detectives, supernatural twists, or psychological warfare, these shows will keep your brain spinning long after the credits roll.

1. Steins;Gate

© InReview

Time travel meets conspiracy in a brilliantly twisted narrative. The butterfly effect has never been so emotionally devastating or mind-bending.

2. Monster

© CBR

A chilling tale about a surgeon who saves a boy’s life—only to discover he may have unleashed pure evil. Gripping, cerebral, and utterly haunting.

3. Paranoia Agent

© Collider

A mysterious kid on rollerblades assaults people with a golden bat—but each victim hides dark secrets. Satoshi Kon’s eerie masterpiece blurs reality like no other.

4. Erased (Boku dake ga Inai Machi)

© CBR

A failed manga artist travels back in time to stop a string of child murders—and save his mother. A blend of suspense, emotion, and time-travel tension.

5. The Promised Neverland (Season 1)

© The Promised Neverland Wiki – Fandom

What starts as an idyllic orphanage quickly spirals into a horror-laced escape mission. The secrets behind the walls will freeze your blood.

6. Psycho-Pass

© Otaku Journalist

In a future where a computer can judge your criminal intent, one inspector questions the system. A noir cyberpunk mystery with philosophical punch.

7. Serial Experiments Lain

© Otaku USA Magazine

Reality, identity, and technology collide in this cryptic slow-burn. Lain’s journey through the Wired is as disturbing as it is prophetic.

8. Another

© The Organization of the Otaku – WordPress.com

A cursed classroom. A mysterious girl with an eyepatch. And gruesome deaths no one can explain. This horror mystery is as addictive as it is unsettling.

9. Death Note

© CBR

What if you could kill anyone just by writing their name? This legendary cat-and-mouse game between Light and L will make you question morality — and your own sanity.

10. Higurashi: When They Cry

© 07th Expansion Wiki – Fandom

Time loops, small-town secrets, and brutal twists. Just when you think you understand Hinamizawa, everything resets—and gets worse.

11. Made in Abyss

© Anime UK News

Don’t let the art style fool you. Beneath the cute exterior lies a dark, mysterious pit full of deadly secrets and ancient horrors.

12. Ghost in the Shell: Stand Alone Complex

© oprainfall

Terrorists, hackers, and artificial intelligence collide in this cyber-noir classic. Every standalone case subtly feeds into a deeper web of intrigue.

13. Perfect Blue

© Variety

A pop idol turns actress—and spirals into madness. Is she being stalked… or is it all in her head? A disturbing psychological puzzle from Satoshi Kon.

14. Ergo Proxy

© Psycho Drive-In

In a post-apocalyptic world, androids and humans struggle with identity and rebellion. If you like your mysteries existential, this one’s for you.

15. Paprika

© Opus

Dreams leak into reality in this visual overload of a psychological thriller. It’s confusing in the best way, and you’ll want to rewatch it instantly.

16. The Girl Who Leapt Through Time

© Polygon

A sweet coming-of-age story with a time-travel twist. Every choice alters the future—and uncovers something deeper.

17. The Perfect Insider

© Anime UK News

An unsolvable locked-room murder on a remote island. Minimalist, smart, and refreshingly grounded for a mystery anime.

18. Boogiepop Phantom

© SlashFilm

Chronological chaos and psychological terror reign in this abstract mystery. Each episode reveals a different piece of the puzzle.

19. ID: Invaded

© CBR

A detective enters the subconscious of killers to solve crimes. Think “Inception” meets “CSI” with a uniquely anime twist.

20. The Garden of Sinners (Kara no Kyōkai)

© Anime-Planet

Seven movies, one complex timeline. Supernatural crimes and a haunting protagonist draw you into this elegant web of murder and memory.

21. B: The Beginning

© Hey Poor Player

In a high-tech future, a genius detective hunts a mysterious killer—but nothing is as it seems. Stylish and full of twists.

22. Un-Go

© AnimeNation Anime News Blog

A futuristic detective with an unusual partner solves high-profile cases. Beneath each lie lies a disturbing truth.

23. Hyouka

© Memories of Eternity

Not all mysteries are murders. This high school mystery is charming, clever, and unexpectedly deep thanks to its brilliant protagonist.

24. Parasyte: The Maxim

© Netto’s Game Room

A boy and his alien parasite form an uneasy alliance—but the real mystery is what it means to be human. Gruesome, philosophical, unforgettable.