Dark, suspenseful japanese dramas?

Anyone know any good and dark japanese dramas? Something like Kazoku Game or Zeni Geba...I really like these types of dramas with dark and complex characters.

Thx

Daisho
Joker Yurusarezaru Sousakan

Byakuyako

Death Note, W no Higeki, Warui Yatsura, Anata no Tonari ni dareka iru?, Limit, LIFE, Ishi no Mayu, Strawberry Night, Atami no Sousakan, Shokuzai, Liar Game, Nemureru Mori, 1 Million Stars Falling from the Sky, Tantei Gakuen Q, ON: Ijou Hanzai Sousakan Todo Hinako, Soshite Dare mo Inaku Natta, Mikeneko Holmes no Suiri, Taiyou no Kisetsu, Ataru, Majo Saiban, Lucky Seven, Marks no Yama, Sukeban Deka, Keizoku, Yasha, Ogon no Buta, Remote, RH Plus, Liar Game, Kurosagi.

Maou (must watch)
Ryusei no kizuna
Liar game
The quiz show 2
N no tame ni
Byakuyakou
Youkoso wagaya e
Ouroboros