1. Attack on Titan
Similar to: The Walking Dead, but the zombies are like 50 feet tall.
2. Death Note

Similar to: Breaking Bad in the way that you root for the main character, but then their morals become ambiguous.
3. Future Diary

Similar to: Twin Peaks, but with way more blood...believe it or not.
4. Parasyte: The Maxim
Similar to: An episode of The X-Files, but with waaaay more back story.
5. Devilman Crybaby

Similar to: Constantine, but with ecstacy and crazy demon transformations.
6. Paranoia Agent
Similar to: Se7en with less blood.
7. Vampire Hunter D
Similar to: A little bit of Blade meets Underworld, but Vampire Hunter D is uniquely its own in the vampire film genre.
9. Hell Girl

Similar to: Mr. Happy concept-wise, but has a lot of supernatural elements which make it so damn scary.
10. Perfect Blue
Similar to: Black Swan LITERALLY.
11. Serial Experiments Lain
Similar to: A Tarantino movie because the story is told nonlinearly, but it's also really trippy.
12. Claymore
Similar to: It's like Game of Thrones, but with half-human and half-demon warriors.
13. When They Cry

Similar to: A lot of soap operas, but filled with paranoia and blood.
14. Shinsekai Yori
Similar to: M. Night Shyamalan's TV show Wayword Pines.
15. Tokyo Ghoul
Similar to: 28 Days Later...except the zombies are actually ghouls and a little misunderstood.
16. Psycho-Pass

Similar to: Minority Report, but the machines are adorable which only add to the eeriness.
17. Hellsing

Similar to: V for Vendetta, but with less politics and more ghouls and vampires.