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Anime Like The Big O

20 anime similar to The Big O based on genre, format, studio, and popularity

Anime Like The Big O

Looking for anime similar to The Big O? Here are 10 anime recommendations that share similar themes, genres, or storytelling styles.

Why These Recommendations?

We selected these anime based on shared genres (Action, Mecha, Mystery), similar narrative structures, comparable art styles, and positive fan overlap. If you enjoyed The Big O, these series should appeal to your taste.

Our Top Picks

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1

Cowboy Bebop

26 eps8.61998Score: 47.0
2 shared genres: Action, Sci-FiSame format (TV)Same studio: SunriseSimilar era (1998)
ActionAdventureDramaSci-Fi

Enter a world in the distant future, where Bounty Hunters roam the solar system. Spike and Jet, bounty hunting partners, set out on journeys in an ever struggling effort to win bounty rewards to survive. While traveling, they meet up with other very interesting people. Could Faye, the beautiful and ridiculously poor gambler, Edward, the computer genius, and Ein, the engineered dog be a good addition to the group?

2/5 genres match
2

Neon Genesis Evangelion

26 eps8.31995Score: 45.7
5 shared genres: Action, Mecha, Mystery, Psychological, Sci-FiSame format (TV)Similar era (1995)
ActionDramaMechaMystery

In the year 2015, the Angels, huge, tremendously powerful, alien war machines, appear in Tokyo for the second time. The only hope for Mankind's survival lies in the Evangelion, a humanoid fighting machine developed by NERV, a special United Nations agency. Capable of withstanding anything the Angels can dish out, the Evangelion's one drawback lies in the limited number of people able to pilot them. Only a handful of teenagers, all born fourteen years ago, nine months after the Angels first appeared, are able to interface with the Evangelion. One such teenager is Shinji Ikari, whose father heads the NERV team that developed and maintains the Evangelion. Thrust into a maelstrom of battle and events that he does not understand, Shinji is forced to plumb the depths of his own inner resources for the courage and strength to not only fight, but to survive, or risk losing everything. (Source: AniDB) Note: Later releases include edited versions of Episodes 21-24 called the "Director's Cut" with some visual editing and adding extra scenes that appeared in the theatrical recap 'Death'.

5/5 genres match
3

Code Geass: Lelouch of the Rebellion

25 eps8.52006Score: 45.6
3 shared genres: Action, Mecha, Sci-FiSame format (TV)Same studio: Sunrise
ActionDramaMechaSci-Fi

On August 10th of the year 2010 the Holy Empire of Britannia began a campaign of conquest, its sights set on Japan. Operations were completed in one month thanks to Britannia's deployment of new mobile humanoid armor vehicles dubbed Knightmare Frames. Japan's rights and identity were stripped away, the once proud nation now referred to as Area 11. Its citizens, Elevens, are forced to scratch out a living while the Britannian aristocracy lives comfortably within their settlements. Pockets of resistance appear throughout Area 11, working towards independence for Japan. Lelouch, an exiled Imperial Prince of Britannia posing as a student, finds himself in the heart of the ongoing conflict for the island nation. Through a chance meeting with a mysterious girl named C.C., Lelouch gains his Geass, the power of the king. Now endowed with absolute dominance over any person, Lelouch may finally realize his goal of bringing down Britannia from within! (Source: Bandai Entertainment)

3/5 genres match
4

Code Geass: Lelouch of the Rebellion R2

25 eps8.72008Score: 42.3
3 shared genres: Action, Mecha, Sci-FiSame format (TV)Same studio: Sunrise
ActionDramaMechaSci-Fi

A year has passed since "The Black Rebellion" and the remaining Black Knights have vanished into the shadows, their leader and figurehead, Zero, executed by the Britannian Empire. Area 11 is once more squirming under the Emperor's oppressive heel as the Britannian armies concentrate their attacks on the European front. But for the Britannians living in Area 11, life is back to normal. On one such normal day, a Britannian student, skipping his classes in the Ashford Academy, sneaks out to gamble on his chess play. But unknown to this young man, several forces are eying him from the shadows, for soon, he will experience a shocking encounter with his own obscured past, and the masked rebel mastermind Zero will return.

3/5 genres match
5

Gintama

201 eps8.52006Score: 39.4
2 shared genres: Action, Sci-FiSame format (TV)Same studio: Sunrise
ActionComedyDramaSci-Fi

Life isn't easy in feudal Japan... especially since the aliens landed and conquered everything! Oh sure, the new health care is great, but the public ban on the use of swords has left a lot of defeated samurai with a difficult decision to make concerning their future career paths! This is especially true if, as in the case of Gintoki Sakata, they're not particularly inclined towards holding a day job, which is why Gintoki's opted for the freelance route, taking any job that's offered to him as long as the financial remuneration sounds right. Unfortunately, in a brave new world filled with stray bug-eyed monsters, upwardly mobile Yakuza and overly ambitious E.T. entrepreneurs, those jobs usually don't pay as well as they should for the pain, suffering and indignities endured! (Source: Sentai Filmworks)

2/5 genres match
6

Serial Experiments Lain

13 eps8.01998Score: 34.2
3 shared genres: Mystery, Psychological, Sci-FiSame format (TV)Similar era (1998)
DramaMysteryPsychologicalSci-Fi

We're all connected... There is the world around us, a world of people, tactile sensation, and culture. There is the wired world, inside the computer, of images, personalities, virtual experiences, and a culture all of its own. The day after a classmate commits suicide, Lain, a 14-year-old girl, discovers how closely the two worlds are linked when she receives an e-mail from the dead girl: I just abandoned my body. I still live here... Has the line between the real world and the wired world begun to blur? (Source: Geneon Entertainment)

3/5 genres match
7

DARLING in the FRANXX

24 eps6.92018Score: 31.9
4 shared genres: Action, Mecha, Psychological, Sci-FiSame format (TV)
ActionDramaMechaPsychological

The distant future: Humanity established the mobile fort city, Plantation, upon the ruined wasteland. Within the city were pilot quarters, Mistilteinn, otherwise known as the “Birdcage.” That is where the children live... Their only mission in life was the fight. Their enemies are the mysterious giant organisms known as Kyoryu. The children operate robots known as FRANXX in order to face these still unseen enemies. Among them was a boy who was once called a child prodigy: Code number 016, Hiro. One day, a mysterious girl called Zero Two appears in front of Hiro. “I’ve found you, my Darling.” (Source: Crunchyroll)

4/5 genres match
8

Death Note

37 eps8.42006Score: 30.7
2 shared genres: Mystery, PsychologicalSame format (TV)
MysteryPsychologicalSupernaturalThriller

Light Yagami is a genius high school student who is about to learn about life through a book of death. When a bored shinigami, a God of Death, named Ryuk drops a black notepad called a Death Note, Light receives power over life and death with the stroke of a pen. Determined to use this dark gift for the best, Light sets out to rid the world of evil… namely, the people he believes to be evil. Should anyone hold such power? The consequences of Light’s actions will set the world ablaze. (Source: VIZ Media)

2/5 genres match
9

Neon Genesis Evangelion: The End of Evangelion

1 eps8.51997Score: 30.4
4 shared genres: Action, Mecha, Psychological, Sci-FiSimilar era (1997)
ActionDramaMechaPsychological

NERV faces a brutal attack from SEELE, but with Asuka in a coma, and Shinji in a nervous breakdown, things soon turn into the surreal. This movie provides a concurrent ending to the final two episodes of the show Neon Genesis Evangelion. (Source: IMDb)

4/5 genres match
10

ONE PIECE

750 eps8.71999Score: 30.4
1 shared genre: ActionSame format (TV)Similar era (1999)
ActionAdventureComedyDrama

Gold Roger was known as the Pirate King, the strongest and most infamous being to have sailed the Grand Line. The capture and death of Roger by the World Government brought a change throughout the world. His last words before his death revealed the location of the greatest treasure in the world, One Piece. It was this revelation that brought about the Grand Age of Pirates, men who dreamed of finding One Piece (which promises an unlimited amount of riches and fame), and quite possibly the most coveted of titles for the person who found it, the title of the Pirate King. Enter Monkey D. Luffy, a 17-year-old boy that defies your standard definition of a pirate. Rather than the popular persona of a wicked, hardened, toothless pirate who ransacks villages for fun, Luffy’s reason for being a pirate is one of pure wonder; the thought of an exciting adventure and meeting new and intriguing people, along with finding One Piece, are his reasons of becoming a pirate. Following in the footsteps of his childhood hero, Luffy and his crew travel across the Grand Line, experiencing crazy adventures, unveiling dark mysteries and battling strong enemies, all in order to reach One Piece. *This includes following special episodes: - Chopperman to the Rescue! Protect the TV Station by the Shore! (Episode 336) - The Strongest Tag-Team! Luffy and Toriko's Hard Struggle! (Episode 492) - Team Formation! Save Chopper (Episode 542) - History's Strongest Collaboration vs. Glutton of the Sea (Episode 590) - 20th Anniversary! Special Romance Dawn (Episode 907)

1/5 genres match
11

Guilty Crown

22 eps6.92011Score: 29.5
4 shared genres: Action, Mecha, Psychological, Sci-FiSame format (TV)
ActionDramaMechaPsychological

Shuu's entire world was shattered after a meteorite crashed into Japan, unleashing the lethal Apocalypse Virus. The chaos and anarchy born of the outbreak cost Shuu his family and reduced him to a timid, fearful shell of the boy he'd once been. His life took another unexpected turn after a chance encounter with the stunning pop star, Inori. This mysterious beauty introduced Shuu to the King's Right Hand: a genetic mutation that allows him to reach into hearts of mortals and turn them into weapons. Shuu finds himself caught in the crossfire between those who desperately seek his newfound strength. On one side lurks a clandestine government agency, and on the other, Inori and the spirited band of rebels known as Funeral Parlor. The choice is Shuu's to make - and the world is his to change. (Source: Funimation)

4/5 genres match
12

Attack on Titan

25 eps8.52013Score: 28.6
2 shared genres: Action, MysterySame format (TV)
ActionDramaFantasyMystery

Several hundred years ago, humans were nearly exterminated by titans. Titans are typically several stories tall, seem to have no intelligence, devour human beings and, worst of all, seem to do it for the pleasure rather than as a food source. A small percentage of humanity survived by walling themselves in a city protected by extremely high walls, even taller than the biggest of titans. Flash forward to the present and the city has not seen a titan in over 100 years. Teenage boy Eren and his foster sister Mikasa witness something horrific as the city walls are destroyed by a colossal titan that appears out of thin air. As the smaller titans flood the city, the two kids watch in horror as their mother is eaten alive. Eren vows that he will murder every single titan and take revenge for all of mankind. (Source: MangaHelpers)

2/5 genres match
13

PSYCHO-PASS

22 eps8.12012Score: 28.4
3 shared genres: Action, Psychological, Sci-FiSame format (TV)
ActionPsychologicalSci-FiThriller

Justice, and the enforcement of it, has changed. In the 22nd century, Japan enforces the Sibyl System, an objective means of determining the threat level of each citizen by examining their mental state for signs of criminal intent, known as their Psycho-Pass. Inspectors uphold the law by subjugating, often with lethal force, anyone harboring the slightest ill-will; alongside them are Enforcers, jaded Inspectors that have become latent criminals, granted relative freedom in exchange for carrying out the Inspectors' dirty work. Into this world steps Akane Tsunemori, a young woman with an honest desire to uphold justice. However, as she works alongside veteran Enforcer Shinya Kougami, she soon learns that the Sibyl System's judgments are not as perfect as her fellow Inspectors assume. With everything she has known turned on its head, Akane wrestles with the question of what justice truly is, and whether it can be upheld through the use of a system that may already be corrupt. (Source: MAL Rewrite) Note: In the Summer 2014 season, Psycho-Pass was rebroadcast and re-edited to fit into an hour time-slot, ending up in 11 one-hour episodes. This edit included added scenes at the beginning and middle of the episodes, as well as fixing and improving animation.

3/5 genres match
14

Tokyo Ghoul

12 eps7.62014Score: 28.3
3 shared genres: Action, Mystery, PsychologicalSame format (TV)
ActionDramaHorrorMystery

The suspense horror/dark fantasy story is set in Tokyo, which is haunted by mysterious "ghouls" who are devouring humans. People are gripped by the fear of these ghouls whose identities are masked in mystery. An ordinary college student named Kaneki encounters Rize, a girl who is an avid reader like him, at the café he frequents. Little does he realize that his fate will change overnight. (Source: Anime News Network)

3/5 genres match
15

86 EIGHTY-SIX

11 eps8.32021Score: 28.0
3 shared genres: Action, Mecha, Sci-FiSame format (TV)
ActionDramaMechaSci-Fi

Called “Juggernaut,” these are the unmanned combat drones developed by the Republic of San Magnolia in answer to the attacks by the autonomous unmanned drones of the neighboring Empire of Giad, the “Legion”. But they’re only unmanned in name. In reality, they are piloted by the Eighty-sixers—those considered to be less than human and treated as mere tools. Determined to achieve his own mysterious ends, Shin, the captain of Spearhead Squadron, which is comprised of Eighty-sixers, continues to fight a hopeless war on a battlefield where only death awaits him. (Source: Crunchyroll)

3/5 genres match
16

WONDER EGG PRIORITY

12 eps7.42021Score: 27.8
4 shared genres: Action, Mystery, Psychological, Sci-FiSame format (TV)
ActionDramaFantasyMystery

This is the story of Ai, an introverted girl whose fate is forever changed when she acquires a mysterious “Wonder Egg” from a deserted arcade. That night, her dreams blend into reality, and as other girls obtain their own Wonder Eggs, Ai discovers new friends—and the magic within herself. (Source: Funimation)

4/5 genres match
17

Parasyte -the maxim-

24 eps8.12014Score: 27.7
3 shared genres: Action, Psychological, Sci-FiSame format (TV)
ActionDramaHorrorPsychological

They arrive in silence and darkness. They descend from the skies. They have a hunger for human flesh. They are everywhere. They are parasites, alien creatures who must invade–and take control of–a human host to survive. And once they have infected their victims, they can assume any deadly form they choose: monsters with giant teeth, winged demons, creatures with blades for hands. But most have chosen to conceal their lethal purpose behind ordinary human faces. So no one knows their secret–except an ordinary high school student. Shin is battling for control of his own body against an alien parasite, but can he find a way to warn humanity of the horrors to come? (Source: Del Rey)

3/5 genres match
18

Attack on Titan Final Season Part 2

12 eps8.62022Score: 27.0
3 shared genres: Action, Mystery, PsychologicalSame format (TV)
ActionDramaFantasyMystery

The war for Paradis zeroes in on Shiganshina just as Jaegerists have seized control. After taking a huge blow from a surprise attack led by Eren, Marley swiftly acts to return the favor. With Zeke’s true plan revealed and a military forced under new rule, this battle might be fought on two fronts. Does Eren intend on fulfilling his half-brother’s wishes or does he have a plan of his own? (Source: Funimation)

3/5 genres match
19

Naruto

220 eps8.02002Score: 26.9
1 shared genre: ActionSame format (TV)Similar era (2002)
ActionAdventureComedyDrama

Naruto Uzumaki, a hyperactive and knuckle-headed ninja, lives in Konohagakure, the Hidden Leaf village. Moments prior to his birth, a huge demon known as the Kyuubi, the Nine-tailed Fox, attacked Konohagakure and wreaked havoc. In order to put an end to the Kyuubi's rampage, the leader of the village, the 4th Hokage, sacrificed his life and sealed the monstrous beast inside the newborn Naruto. Shunned because of the presence of the Kyuubi inside him, Naruto struggles to find his place in the village. He strives to become the Hokage of Konohagakure, and he meets many friends and foes along the way. (Source: MAL Rewrite)

1/5 genres match
20

Gurren Lagann

27 eps8.52007Score: 26.9
3 shared genres: Action, Mecha, Sci-FiSame format (TV)
ActionComedyDramaMecha

In a far away future, mankind lives underground in huge caves, unknowing of a world above with a sky and stars. In the small village of Jiha, Simon, a shy boy who works as a digger discovers a strange glowing object during excavation. The enterprising Kamina, a young man with a pair of rakish sunglasses and the passion of a firey sun, befriends Simon and forms a small band of brothers, the Gurren Brigade, to escape the village and break through the ceiling of the cave to reach the surface, which few believe exist. The village elder won't hear of such foolishness and punishes the Brigade. However, when disaster strikes from the world above and the entire village is in jeopardy, it's up to Simon, Kamina, a girl with a big gun named Yoko, and the small yet sturdy robot, Lagann, to save the day. The new friends journey to the world above and find that the surface is a harsh battlefield, and it's up to them to fight back against the rampaging Beastmen to turn the tide in the humans' favor! Pierce the heavens, Gurren Lagann!

3/5 genres match
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