From being forced to compete in death games controlled by machines to survive, to learning how to lie to avoid a debt that changes life, the following manga will take readers to examine. Break human nature and morality.
Alice in Borderland

Alice in Borderland tells the story of high school student Arisu Ryouhei depressed, about to graduate but not sure about his future. His life turned upside down when he and other friends saw fireworks and unconscious. When they woke up, they found themselves in a post -apocalyptic world called Borderlands.
Here, Arisu and his friends were forced to play deadly games with their lives threatened. Anyone who loses or refuses to play will be deprived of their lives.
Tomodachi Game

Yuuichi Katagiri high school students always value friendship more than everything. But that changed when he and his friends were taken to a strange room and was forced to play a series of games to solve a big debt.
The only way to win in Tomodachi game is not to doubt his friends. But when stressed up, Yuuichi's faith in his friends was challenged.
Liar Game

Nao Kanzaki University students are the most honest person you've ever met. One day, she received a package of 100 million yen and invited to participate in “Liar Game”. The rules are very simple: Nao must steal money from other players who will try to do the same thing with her, and after 30 days, each player must return 100 million yen that they have received initially.
If they do not do so, they will fall into debt, but they can keep any stolen money from other players who make personal profits. Initially, Nao decided not to participate, only keeping money until she needed to return it. But when 100 million yen was stolen from her, Nao had no choice but to learn how to lie.
Darwin’s Game

When the 17 -year -old Kaname Suduo was invited to play online video games, he easily accepted. But do not know that Darwin's Game is actually a life game. Forced to compete, Kaname uses his unique ability to survive and try to find the Master game, whom he must take his life to escape.
As the Gods Will

Shun Takahata is a student below the average level, his life becomes dark when he witnessed his teacher's head exploded. Shun and his classmates later were forced to survive deadly games. The first game, like Squid Game is a deadly game with a red light – green light.
A doll monitored students when they were forced to play to gain their lives. Anyone moves while the doll is looking dead. When all his classmates died in turn, Shun became the only survivor, winning the game by pressing the button on the doll's back. Unfortunately, this does not end the game series.
Battle Royale

The story begins with the protagonist Shuuya and his classroom believes that they are on their way to the graduation ceremony. Instead, the class was taken to an isolated island and was forced to wear a necklace around the neck.
After that, Shuuya and his classmates were told that they had to take all the other people to win and leave the island. If anyone refuses to participate, their bracelet will signal.
Gantz

Two high school students Kei Kurono and Masaru Kato lost their lives when trying to save a homeless drunken person. But in an unexpected turning point, they were revived and assigned a series of tasks.
These tasks are often involved in destroying alien invaders living on earth. Participants will receive points when completing the task. And when participants have enough points, they may have the second chance to live the lives they have ever had.
Blue Heaven

Blue Heaven tells the story of the largest luxury ship in the world of the same name when it met a shipwreck in the middle of the ocean. According to the captain's order, the crew searched for the shipwreck and found two survivors. A person was seriously injured while the other was completely healthy.
This is the first suggestion of the audience that there is something wrong, and when the crew takes two people to survive on the train, the nightmare begins for both employees and passengers. When everyone was murdered in turn, the ship's captain had to find the engine of the responsible and ending his madness.
Life Is Money

Fukurokouji Meguru needs 100 million yen to transplant heart for his sister, and no matter how hard he tries, he cannot make enough money. When all hope seemed to be lost, Meguru was invited to join The Nightmare Game. The rules are very simple, Meguru and nine others have to live in a complex in 10 days to receive 50 million yen each.
However, if a participant does not survive, their bonuses will be divided among the rest of the participants, promoting mutual murderers. Interestingly, physical violence is banned. But if any participants experience strong emotions, their heartbeat increases above a certain threshold, they will lose their lives. Life is Money's characters use psychological wars to eliminate other participants, all in exchange for a sum of money that can change their lives.
Bokurano

A group of high school students happened to meet a cave where they signed a mysterious Kokopelli to play a series of games. What they do not know is that they are actually agreeing to control the giant mecha Zearth against other similar mecha to save the earth from destruction.
When the first Zearth pilot died, a darker reality appeared. Children know that they must use their life energy to control Zearth, sacrifice their lives in this process. This nightmare only becomes worse when children realize that the people they are fighting are also children from different earths, fighting to protect their own reality in a game. Giant death.