Gantz (2010)

Summoned by the black sphere, Kei and Masaru fight against extraterrestrials until Masaru grows tired of fighting and refuses to continue.

100 years ago, titans suddenly appeared on Earth. Soon, human civilization veered on collapse due to the titans. Humans then built a giant wall to defend themselves. Within the giant walls, humans lived in peace, but, 100 years later, the giant wall is broken.

With the space program attempting to travel to Mars, 21st century scientists were tasked with warming up the planet so that humans could survive on its surface. They came up with an efficient and cost effective plan of sending cockroaches and mold to the surface so that the mold would absorb the sunlight and the insect corpses would serve as a food source for the mold. It is now the year 2577 and the first manned ship to Mars has landed on the planet and the six crew members are ready for their mission. But what they find are giant mutated humanoid cockroaches with incredible physical strength. The crew members are easily wiped out, but not before sending a transmission back to Earth. Now, humanity will send elite warriors to exterminate the mutated bugs and claim back Mars.

Legend has it that the human race is not the only dominant civilization living on Earth. Two other races exist in this world: the Makai (a demon race) and the Jujinkai (a half-man, half-beast race). Once every 3,000 years, a supreme being known as the Choujin (Overfiend) will emerge and bring balance to all three realms on Earth. In present-day Japan, after 300 years of endless searching, a Jujinkai named Amano Jyaku has discovered the presence of the Choujin inside high school slacker Tatsuo Nagumo. But now, Amano, along with his sister Megumi and their sidekick Kuroko, must protect Nagumo and his new girlfriend Akemi Ito from the Makai, who believe that Nagumo is not the Choujin, but an evil entity bent on destroying all living beings on Earth.

Now a member of Anteiku, Ken Kaneki grows closer to the ghouls around him. Determined to protect his new home against anti-ghoul forces, he trains his powers in secret. But when the infamous gourmet, Shū Tsukiyama, wishes to savour some half-ghoul flavour, Kaneki's training is put to test of a lifetime.

Ten Years ago, Genichiro Izayoi died trying to stop the sorcerer Rebi Ra, and as a result Shinjuku became a playground for demons. And now, the day approaches when Rebi Ra will complete his decade-long ritual to plunge the rest of the world into chaos! As Genichiro's son, it falls to Kyoya to venture into the heart of Shinjuku and put an end to the sorcerer his father couldn't beat. Can Kyoya exceed his father's legacy, or will the demons of Shinjuku create Hell on Earth?

A young woman from the future forces a local gunman to help her stop an impending alien invasion which will wipe out the human race.

SIRIUS 6B, Year 2078. On a distant mining planet ravaged by a decade of war, scientists have created the perfect weapon: a blade-wielding, self-replicating race of killing devices known as Screamers designed for one purpose only -- to hunt down and destroy all enemy life forms.

After the fall of civilization, the few survivors have been driven to cannibalism. A young man must confront a violent tribe that has murdered his father and stolen the medicine that keeps his girlfriend alive.

After the death of his father, a brilliant college student returns to his family home where he learns that the horrors from his childhood aren't as dead and gone as he once thought.

The war on terror exploded, literally, the day Sarajevo was destroyed by a homemade nuclear device. The leading democracies transformed into total surveillance states, and the developing world has drowned under a wave of genocides. The mysterious American John Paul seems to be behind the collapse of the world system, and it's up to intelligence agent Clavis Shepherd to track John Paul across the wreckage of civilizations and to find the true heart of darkness—a genocidal organ.

Kei discovers the curse of immortality when he gets hit by a bus... and doesn't die. Now on the run from a government that wants to experiment on him, and his fellow Ajin, Kei's only hope to live a peaceful life lies in his ability to learn how to use his new powers. Aided by the strength of his "Black Ghost", a once apathetic Kei must now fight to avoid becoming a cruel demi-human experiment.

In the year 2029, the barriers of our world have been broken down by the net and by cybernetics, but this brings new vulnerability to humans in the form of brain-hacking. When a highly-wanted hacker known as 'The Puppetmaster' begins involving them in politics, Section 9, a group of cybernetically enhanced cops, are called in to investigate and stop the Puppetmaster.

After surviving the slaughter of many Christians 350 years ago, a samurai denounces God for ignoring the pleas of believers. He sells his soul to Satan and receives the power to resurrect the dead to join him in a murderous rampage.

It's the year of destiny, and 15 year old Kamui Shiro, a powerful psychic, has returned to Toyko after a 6 year absence, having left when he was very young. He wants to be with his childhood friends, Fuma (his best friend) and Kotori, Fuma's little sister (and Kamui's possible girlfriend). He wants to protect them from all dangers, but destiny and fate are haunting Kamui and pulling in himself and his beloved childhood friends. It is his destiny and his sole decision to decide the fate of the world, no matter if he wants the role or not. Now it is a matter of if he will join the side of the Seven Seals and become the Dragon of Heaven to save mankind or join the Seven Angels and become the Dragon of Earth to destroy all civilization so the earth can heal itself from man's destruction.

Amuro Ray and the rest of the White Base crew, now denominated the 13th Autonomous Corps, return to outer space to support the rest of the Earth Federation forces for the decisive battle against the Principality of Zeon's forces.

A man steps out of a park fountain in Ho Chi Minh City with no recollection of who he is or where he came from. As he wanders through the city, piecing together clues to his past, he is relentlessly pursued by mysterious figures.

Tenshu is imprisoned and sentenced to death for murdering the men who raped his girlfriend. However, he manages to survive his execution and is presented with an option: face another execution attempt or subject himself to their bizarre and dangerous experiments.