Total Recommendations: 4
If you liked
Death Note
|
...then you might like
Psycho-Pass
|
Both Death Note and Psycho path ask a fundamental question about society and morality, and are crime thrillers.
If you liked
Death Note
|
...then you might like
Id:Invaded
|
Both focus primarily on a mystery and cat/mouse chase between a detective and various serial killers.
If you liked
Ginga Eiyuu Densetsu
|
...then you might like
Code Geass: Hangyaku no Lelouch
|
Both have a main focus on strategy, governmental structures, sociology, and intellect. Legend of the Galactic Heroes is much slower than Code Geass, however if you liked Code;Geass specifically for the intellect than you will definitely love LotGH
If you liked
School Days
|
...then you might like
Happy Sugar Life
|
Both involve Yanderes. Keep in mind, School days is much slower than Happy Sugar life, but the ending is worth the wait.