Anime Similar To Tokyo Ghoul:
Psycho PassSet in 2113 Dystopian world where every citizen are scanned for their Psycho-Pass (a system that analyze the criminal intent of a person) Akane Tsunemori joins as an police officer who must pursued and apprehended individual with high levels of Psycho-Pass along with the help of Enforcers.
Deadman WonderlandDeadman Wonderland follows the young Ganta Igarashi who is wrongly convicted for the death of his classmates and is sent to the dangerous and mysterious prison where is forced to take part in brutal death matches with other death row prisoners.
GantzGantz is an anime series with a heavy dose of violence and sexual content where the recently dead people are resurrected and thrown into a game and are forced to kill aliens and robotic monsters to survive.
Shiki (Corpse Demon)People are dying at an alarming rate in a small and boring Japanese village, and the villagers soon find out that it is the work of Shiki a vampire like undead people who can only survive on the human blood.
More Anime like Tokyo Ghoul you may enjoy watching:Ao no Exorcist (Blue Exorcist),
Akame ga Kill,
Shigeki no Kyojin (Attack on Titan),
Terror in Resonance,
Highschool of the Dead.