If you liked
Higurashi no Naku Koro ni
|
...then you might like
Ookamikakushi
|
Both have a guy that moves to a new town that is constantly surrounded by girls, a festival, and a mysterious secret.
If you liked
Serial Experiments Lain
|
...then you might like
Digimon Adventure Movie
|
At first you may not think there are any similarities, but the art style is pretty similar in both, and they both have themes to do with the internet and the digital world, but Serial Experiments Lain has darker qualities
If you liked
Umineko no Naku Koro ni - Episode 1: Legend of the Golden Witch
|
...then you might like
Doubt
|
Both have a creepy setting, and you don't know who you can trust, and who are behind the killings. Both keep you guessing all the way through!
If you liked
Death Note
|
...then you might like
Zombie-Loan
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Both have a death theme, along with shinigami and "Shinigami Eyes" and both are highly enjoyable.
If you liked
Full Moon wo Sagashite
|
...then you might like
Ultra Maniac
|
Both have a story set around some kind of magic, and the art styles are similar. Although Fullmoon has a theme of shinigami and Ultra Maniac has a theme about witches, both have some magical mishaps and funny moments.
If you liked
Death Note
|
...then you might like
Umineko no Naku Koro ni
|
Both are mystery animes that leave you wanting more
If you liked
Lucky☆Star
|
...then you might like
Sayonara Zetsubou Sensei
|
Both are slice of life comedies that parody a lot of other animes, and there are even a few Lucky Star parodies in Sayonara Zetsubou Sensei.
If you liked
Bokusatsu Tenshi Dokuro-chan
|
...then you might like
Rosario to Vampire
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Both are ecchi and very very cute, but Rosario + Vampire has more action and a little more of a plot.