Total Recommendations: 4
If you liked
Planetes
|
...then you might like
NHK ni Youkoso!
|
Both delve into the topic of loneliness, isolation, and the mental horrors that naturally follow such states of living.
If you liked
Monster
|
...then you might like
Phantom: Requiem for the Phantom
|
Both series are dark-themed thrillers, contains assassinations, "brainwashed" people, etc. They have their fair share of differences, for one phantom is far more action-focused compared to Monster, but the thematic similarity is still notable.
If you liked
Texhnolyze
|
...then you might like
Serial Experiments Lain
|
Both series are cyberpunk, they also have similar themes, style, and a lot of somewhat abstract segments.
|
If you liked
Texhnolyze
|
...then you might like
Ergo Proxy
|
Both are cyberpunk, both have dark atmospheres and similar mood to them. They are fairly different in many aspects, but if you like one you'll probably like the other as well.