GuessAnime.

1. Darwin's Game

An unknowing Sudou Kaname is invited to try out a new mysterious mobile app game called Darwin's Game, but later realizes that he's in for more than he's bargained for when he finds out that there's no way to quit the game.

Darwin's Game is finished and has 30 Volumes and 125 Chapters. It is also Known as: ダーウィンズゲーム, Darwin's Game

2. Btooom!

Sakamoto Ryuuta is an unemployed 22-year-old who lives with his mother. In the real world, there may be nothing really special about him, but online, he's one of the world's top players of the combat game "BTOOOM"!

One day, he awakes in what appears to be a tropical island, though he has no memory of how or why he has come to be there. While wandering around, Ryuuta sees someone and calls out for help. The stranger responds by throwing a bomb at him! Now Ryuuta realizes both that his life is in danger, and that he has somehow been trapped in a real-life version of his favorite game! Will Ryuuta be able to survive long enough to figure out how and why he ended up here?

Btooom! is finished and has 27 Volumes and 125 Chapters. It is also Known as: BTOOOM!, Btooom!

3. Killing Bites

People have been created that are human-animal hybrids, and powerful businesses bet on the outcome of their duels. College student Nomoto Yuuya's casual acquaintances ask him to drive them around to pick up girls one day, which he soon finds out means by force. The girl they kidnap is an animal-human hybrid named Hitomi, who slaughters all of them except Yuuya. Hitomi is a honey badger, which has been called the most fearless of all animals. Now Hitomi is assigned to stay with Yuuya, for his protection!

Killing Bites is currently publishing . It is also Known as: キリングバイツ, Killing Bites

4. Majo Taisen: 32-nin no Isai no Majo wa Koroshiau

32 witches from across history fight to the death on Walpurgisnacht to have their desires fulfilled. Featuring Jeanne d'Arc, Cleopatra, Tomoe Gozen, Marie Antoinette, and more.

The War of Greedy Witches is currently publishing . It is also Known as: 魔女大戦 32人の異才の魔女は殺し合う, Majo Taisen: 32-nin no Isai no Majo wa Koroshi Au, Majo Taisen, Majo Taisen - The War of Greedy Witches

5. Teito Seihai Kitan: Fate/type Redline

A remake of the comedy spin-off manga Koha-Ace GO: Teito Seihai Kitan.

Teito Seihai Kitan: Fate/type Redline is currently publishing . It is also Known as: 帝都聖杯奇譚 Fate/type Redline, Teito Seihai Kitan: Fate/type Redline

6. Imawa no Kuni no Alice Retry

Alice Ryouhei, now a grown adult and married to Yuzuha, who is expected to give birth to their first child any day now, suddenly finds himself back in the Borderlands, the land between Life and Death, after getting into an accident. Will he be able to make it out of the Borderlands once more...?

Alice in Borderland Retry is finished and has 2 Volumes and 13 Chapters. It is also Known as: 今際の国のアリス RETRY, Imawa no Kuni no Alice Retry

7. Chijou 100-kai ~Dasshutsu Kakuritsu 0.0001%~

21st Century, Japan. In Tokyo, there's a state-owned gambling tower. 20 men and women gather in the 100 story tower with 1 goal: escape. You get 10 billion yen if you do. If you don’t...

100 Floor Tower ~0.0001% Escape Probability~ is currently publishing . It is also Known as: 地上100階〜脱出確率0.0001%〜, Chijou Hyakkai, Chijou 100-kai, One Hundred Storey Tower, 地上100階, 지상 100층

8. Fate/stay night: Heaven's Feel

The story takes place in an ordinary Japanese town, Fuyuki City. Hidden from society, there has been a deadly war going on in this town. Seven sorcerers known as "Masters" summon powerful familiars called "Servants," and they all fight each other till the last one. The last one is said to attain the Holy Grail, which will grant them a wish. Only a few know when this War started and what the Holy Grail is, but the war is about to begin again this year.

The main character is Emiya Shirou, who lost his parents in a fire and was adopted by a man who called himself a sorcerer. Admiring his stepfather, he has been training himself to be a sorcerer. However, he had no talent and he could barely use even one type of sorcery. His stepfather has already passed away, and today he's a sorcerer without any skills or knowledge. He is involved in the War of the Holy Grail when he accidentally summons Saber, who is said to be the strongest servant of all...

Heaven's Feel is one of the routes in Fate/stay night. The heroine of this route is Sakura Matou.

Fate/stay night: Heaven's Feel is currently publishing . It is also Known as: Fate/stay night [Heaven's Feel], Fate/stay night: Heaven's Feel

9. Fate/Zero

War of the Holy Grail—Pursuing the power of the "Holy Grail" which grants a miracle, this is a contest in which seven magi summon seven Heroic Spirits to compete for it. In that battle whose conclusion was postponed three times, now, the fourth war commenced again. Entrusting their dearest wish of victory, the magi joined the battleground called "Fuyuki," but amongst them, there was a man who was always alone, and could not find out the meaning behind his fights. His name was Kotomine Kirei. Not comprehending the guidance of fate, Kirei was lost, and had kept questioning. Why someone like his was given the Command Seals. However, the fate of his fights crossed Kirei's path with a nemesis by chance. That person is—Emiya Kiritsugu. A man who was sterner than anyone else, more merciless than anyone else, and who sought the miracle of the Holy Grail.

Merely recited in fragments in Fate/stay night, this is the Fourth War of the Holy Grail 10 years ago. The truth which unfolded behind the battle between Shirou's foster father, Rin's father, and the younger Kotomine Kirei, is finally revealed...

Fate/Zero is finished and has 4 Volumes and 18 Chapters. It is also Known as: Fate/Zero, Fate/Zero

10. Battle Royale

Under the guise of a "study trip," a group of students from Shiroiwa Junior High School in the fictional town of Shiroiwa are gassed on a bus. They awaken in the Okishima Island School on Okishima, an isolated, evacuated island. They learn that they have been placed in an event called the Program.

According to the rules, every year since 1947, 42 third-year high school students are isolated, and each student is required to fight to the death until one student remains. Their movements are tracked by metal collars around their necks, which contain tracking and listening devices; if any student should attempt to escape the Program, or enter declared forbidden zones, a bomb will be detonated in the collar, killing the wearer. If no one dies in a 24 hour time period, there will be no winner and all collars will be detonated simultaneously.

Battle Royale is finished and has 15 Volumes and 119 Chapters. It is also Known as: バトル・ロワイアル, Battle Royale

11. Jinrou Game: Crazy Fox

New game, new players, same rule, and an additional mysterious role, The Crazy Fox

Werewolf Game: Crazy Fox is finished and has 4 Volumes and 24 Chapters. It is also Known as: 人狼ゲーム クレイジーフォックス, Werewolf Game: Crazy Fox

12. Jinrou Game: Beast Side

In this game, there are 12 players with 3 werewolves - all from the same school again. There’s a diviner again, along with a new position- the bodyguard, who can protect a player per night against the werewolves.

Werewolf Game: Beast Side is finished and has 3 Volumes and 18 Chapters. It is also Known as: 人狼ゲーム ビーストサイド, Werewolf Game: Beast Side

13. Jinrou Game

One night, senior high school second-year Nishina Airi is abducted. When she wakes, she is trapped in an uncanny, isolated space with other students from her high school and forced to take part in the "Werewolf Game." Thus, a death game filled with fear and terror that would pit "Werewolves" and "Villagers" against each other, force them to murder—a game with rules so absolute, defiance is punished by gruesome death—begins.

Werewolf Game is finished and has 3 Volumes and 18 Chapters. It is also Known as: 人狼ゲーム, Werewolf Game

14. Ppalligamgi

The final goal is to be the master of time. But in order to become the master, you must kill and steal. The universe has given powers to a select number of people. The only problem is, you can get your powers taken away... along with your life. The keepers of time will need to protect their powers or pay the ultimate price.

Source: Webtoon

Fast Forward is currently publishing .

15. Fate/Prototype: Sougin no Fragments

Prequel to Fate/Prototype.

Young Ayaka Sajyou wakes up to a normal morning breakfast with her father and older sister, Manaka, unaware that a battle of frightening proportions has now begun in Tokyo. This battle is the Holy Grail War, the first of a series of mutual slaughters where seven Magi and seven Servants team up together to fight in a battle royale to win the Holy Grail, a mystical omnipotent wish-granting device to have their own wishes granted.

As each of the Seven Masters summon their Servants and fight, more of the mysteries surrounding the Holy Grail are revealed, culminating in a epic battle that will test loyalties, forge new alliances, and makes one question, who is the real Master in this Holy Grail War?

Fate/Prototype: Fragments of Sky Silver is finished and has 5 Volumes and 38 Chapters. It is also Known as: Fate/Prototype 蒼銀のフラグメンツ, Fate/Prototype: Sougin no Fragments

16. Introduction to Survival

‘Remember’. 'One, two, three, four, five, six, seven'

‘I must remember until the end… until the end…’

The day when my wife Julia was killed by those scoundrels, my entire life was consumed by seething anger. That's right. I must eliminate those scoundrels.

'The day I exact my revenge, bury me beside her.'

Until then, I must endure and wager my life on this battle for survival.

Introduction to Survival is currently publishing . It is also Known as: Introduction to the Survival Theory, O Caminho da Sobrevivência, The Way of Survival

17. Fate/stay night

The story takes place in an ordinary Japanese town, Fuyuki City. Hidden from society, there has been a deadly war going on in this town. Seven sorcerers known as "Masters" summon a powerful familiar called "Servants" and they all fight each other till the last one. The last one is said to attain the Holy Grail which will grant them a wish. Only a few knows when this War started and what the Holy Grail is, but the war was about to begin again this year.

The main character is Emiya Shirou, who lost his parents in a fire and was adopted by a man who called himself a sorcerer. Admiring his step father, he has been training himself to be a sorcerer. However, he had no talent and he could barely use one type of sorcery. His step father has already passed away, and today he's a sorcerer without any skills or knowledge. He is involved in the War of the Holy Grail when he accidentally summons Saber, who is said to be the strongest servant of all...

Fate/stay night is finished and has 20 Volumes and 82 Chapters. It is also Known as: Fate/stay night, Fate/stay night