If you liked
Monster
|
...then you might like
Death Note
|
Monster is Intellectually challenging. It deals with deep philosophical and psychological questions. The main antagonist's personality resemples Light's in certain ways.
If you liked
Mahou Shoujo Madoka★Magica
|
...then you might like
Made in Abyss
|
You like things that mess with you mind? That make you think about things? Well if you do, Made in Abyss is exactly for you! Watch the first 4 episodes and decide if you give it a 9/10 or not.
If you liked
Afro Samurai
|
...then you might like
Dororo
|
You like Samurai fighting? Watching dark stuff does not affect you anymore because you are already dead inside? But you still kill because it is who you are. Watch Dororo - you will like it.
If you liked
Shinseiki Evangelion
|
...then you might like
Mahou Shoujo Madoka★Magica
|
Madoka is philosophical on a very deep(!) level. Different philosophies clash together and the viewer must decide which one fits him the most. Some call Madoka the "Evangelion of the 21th Century" because of the impact it has on the current generation of anime.