Gantz
Imagine dying, only to wake up in a mysterious room with a giant black sphere, given a new, terrifying purpose: hunt aliens or die again—permanently. That's the chilling premise of Gantz, a Japanese manga that plunges its characters into a brutal, high-stakes game of survival against otherworldly threats. It's a dark, philosophical journey exploring humanity's limits and the true meaning of life when faced with a second chance. Gantz forces recently deceased individuals into a deadly game where they must hunt aliens using advanced technology to earn the right to revive or escape. The series is renowned for its unflinching portrayal of violence, moral ambiguity, and the psychological toll of survival on its characters. Its unique blend of sci-fi action and philosophical themes has spawned a successful multimedia franchise across manga, anime, films, and games.
AI Summary
Imagine dying, only to wake up in a mysterious room with a giant black sphere, given a new, terrifying purpose: hunt aliens or die again—permanently. That's the chilling premise of Gantz, a Japanese manga that plunges its characters into a brutal, high-stakes game of survival against otherworldly threats. It's a dark, philosophical journey exploring humanity's limits and the true meaning of life when faced with a second chance.
- Gantz forces recently deceased individuals into a deadly game where they must hunt aliens using advanced technology to earn the right to revive or escape.
- The series is renowned for its unflinching portrayal of violence, moral ambiguity, and the psychological toll of survival on its characters.
- Its unique blend of sci-fi action and philosophical themes has spawned a successful multimedia franchise across manga, anime, films, and games.
Welcome to the Gantz Game
Our story begins with high school students Kei Kurono and Masaru Kato, who meet an untimely end trying to save a homeless man from an oncoming subway train. One moment they're alive, the next—they're dead, only to reawaken in a sterile Tokyo apartment, disoriented and far from alone. This isn't the afterlife they expected.
Trapped within this enigmatic room, they encounter a colossal black sphere—known only as 'Gantz.' This mysterious entity isn't offering comfort; it's presenting a grim choice. For these recently deceased, their new reality is a game where they must hunt and kill aliens hidden among us.
To aid them in this terrifying task, Gantz provides an arsenal of futuristic gear: sleek, form-fitting powered suits offering enhanced strength and defense, and devastating energy weapons that make the impossible seem—well, still incredibly difficult, but now with a fighting chance.
The Rules of Survival
Each mission transports the participants to a specific location, sealing them off from the normal world where neither players nor aliens can be perceived by ordinary humans. It's a secret war fought in plain sight, with only one way out: eliminate all targets before the timer runs out.
Surviving a mission comes with a reward: points. The more aliens you defeat, the more points you accumulate. Reach a hundred points, and Gantz offers three profound choices: freedom, a super-powerful weapon, or—most tantalizing of all—the chance to revive a fallen comrade.
For Kurono and Kato, the initial missions are a brutal, bloody education, claiming many lives. Kato, ever the hero, sacrifices himself in their third mission to save Kurono. This harrowing experience transforms Kurono, forging him into a hardened, yet more compassionate leader determined to bring his friends back.
In a tragic twist of fate, Kurono eventually succeeds in reviving Kato, only to fall himself in a subsequent battle against a new, terrifying threat: vampires. The cycle of life, death, and resurrection proves relentless in the world of Gantz.
The Story Evolves
As the game progresses, the stakes escalate dramatically. The veil between the Gantz world and reality thins, allowing ordinary humans to witness the brutal battles. The aliens, too, become increasingly formidable, pushing the players to their absolute limits.
A joint mission with a rival Gantz team from Osaka introduces new allies and deadlier challenges. Now, with Kurono gone again, Kato steps up, desperately fighting to revive his friend. This leads to an epic confrontation with the monstrous alien Nurarihyon, leaving Kato critically wounded but victorious.
A veteran player, Joichiro Nishi, uncovers a hidden 'catastrophe countdown' on the Gantz sphere, warning of an impending global threat. True to its chilling promise, a massive alien invasion descends upon Earth just one week later, threatening humanity's very existence.
Kurono, now back in the fight, and his allies use their Gantz technology to mount a desperate defense. It's revealed that an advanced alien species created Gantz as a survival mechanism for humanity, though their true intentions remain shrouded in mystery.
In the ultimate confrontation, the alien leader Eeva challenges humanity, demanding Kurono face him in battle or watch the planet be destroyed. With the world watching, Kurono, aided by a revived Kato, triumphs over Eeva, saving Earth and returning as a global hero.
Behind the Scenes: Crafting Gantz
Creator Hiroya Oku conceived the core idea for Gantz back in high school, drawing inspiration from the Japanese samurai drama 'Hissatsu' and Robert Sheckley's sci-fi novel 'Time Killer.' However, the project only fully materialized after Oku's previous work, 'Zero One,' proved too costly and not entertaining enough, paving the way for Gantz's unique blend of action and philosophy.
Oku employs a groundbreaking hybrid approach to illustration. He begins with traditional thumbnails, then creates 3D models of characters and backgrounds on his computer. These digital assets are then printed, serving as a base for Oku to add tones, colors, dialogue, and hand-drawn elements, lending Gantz its distinctive, hyper-realistic aesthetic.
Realism is paramount for Oku, extending to the story's unflinching brutality and eroticism—scenes he keeps brief to maintain authenticity. He famously doesn't self-censor, ensuring every illustration sees print. Furthermore, Oku deliberately subverts manga tropes, famously telling his assistants that, save for Kurono, all major characters would eventually die, injecting genuine suspense into every encounter.
The Gantz Universe Expands
Manga
Gantz was serialized in Shueisha's 'Weekly Young Jump' for 13 years, from June 2000 to June 2013, spanning an impressive 37 collected 'tankōbon' volumes. The saga was divided into three distinct 'phases,' each pushing the narrative into darker, more intense territory. In a modern twist, a full-color vertical-scrolling edition, 'Gantz: T,' debuted in July 2024, bringing the visceral action to new digital platforms.
Dark Horse Comics brought the intense world of Gantz to North American readers, releasing all 37 volumes in English between 2008 and 2015. Due to its enduring popularity, the series was later reissued in a comprehensive 12-volume omnibus edition, allowing new fans to dive into the epic story.
Spin-offs and Novels
The Gantz universe is rich with side stories, including 'Gantz/Osaka,' which delves into the adventures of a rival team, and one-shot chapters like 'Gantz no Moto' (Oku's origin story) and 'Gantz/Nishi,' exploring a recurring character's life. Newer spin-offs like 'Gantz G' and the historical 'Gantz: E' continue to explore different facets of this dark world.
Two distinct novels, 'Gantz/Minus' and 'Gantz/EXA,' further enriched the lore, delving into prequel events and alternative scenarios within the Gantz continuity. 'Gantz/Minus' notably made history as the first novel to be serialized in 'Weekly Young Jump,' expanding the storytelling beyond manga panels.
Anime Adaptations
Gantz made its transition to the screen in 2004 with a 26-episode anime series produced by studio Gonzo, divided into two 'stages.' Broadcast on Fuji TV, the first stage faced censorship for its graphic violence and nudity, though these scenes were fully restored for DVD releases, giving viewers the complete, unadulterated experience intended by the creators.
North American audiences received the uncut anime thanks to ADV Films and later Funimation. Years later, in 2016, the world was treated to 'Gantz: O,' a visually stunning 3D CGI animated film adaptation that brought the manga's infamous Osaka arc to life with incredible detail.
Live-Action Films
The gripping story of Gantz also inspired a two-part live-action film series, starring popular actors Kazunari Ninomiya as Kurono and Kenichi Matsuyama as Kato. Released in 2011, these films brought the intense alien hunts to the big screen, even having special simulcast screenings in North America for devoted fans.
The Gantz phenomenon isn't limited to Japan. Hollywood is currently developing its own live-action adaptation, with Sony Pictures enlisting writer Marc Guggenheim and director Julius Avery, signaling Gantz's enduring international appeal and potential to captivate a new global audience.
Video Games and Companion Books
In 2005, Konami released 'Gantz: The Game' for the PlayStation 2, blending third-person shooter and RPG elements, allowing players to step into the harrowing missions themselves. Fans could also dive deeper into the lore with 'Gantz/Manual' and its revised 'Remix' edition, companion books packed with character overviews, episode summaries, and universe details.
A Critical Hit
Gantz has been a phenomenal commercial success, selling over 24 million copies worldwide by 2021. Its volumes consistently topped best-seller lists in Japan, and even in North America, Dark Horse Comics reported strong sales, with individual volumes appearing on The New York Times 'Manga Best Seller List'.
The anime series also achieved significant popularity, with strong DVD sales cementing its status as one of 2005's most successful anime franchises. Despite being described as 'violent,' 'gory,' and 'sadistic,' critics and fans alike found Gantz to be undeniably 'addictive,' proving that its unique brand of dark sci-fi resonated deeply with audiences.
Article
Gantz
Gantz (stylized in all caps) is a Japanese manga series written and illustrated by Hiroya Oku. It was serialized in Shueisha's seinen manga magazine Weekly Young Jump from June 2000 to June 2013, with its chapters collected in 37 tankōbon volumes. It tells the story of Kei Kurono and Masaru Kato, both of whom died in a train accident and become part of a semi-posthumous "game" in which they and several other recently deceased people are forced to hunt down and kill aliens armed with a handful of futuristic items, equipment, and weaponry.
An anime television series adaptation, directed by Ichiro Itano and animated by Gonzo, was broadcast for 26 episodes, divided into two seasons, in 2004. A series of two live-action films based on the manga were produced and released in January and April 2011. A CGI anime film, Gantz: O, was released in 2016.
Plot
Gantz
High school students Kei Kurono and Masaru Kato die after being struck by a subway train while attempting to save a drunk homeless man who had fallen onto the tracks. Upon their deaths, they awaken inside a barren Tokyo apartment alongside other confused participants. Trapped within the room, they encounter a large black sphere known as "Gantz". The sphere assigns missions where participants must hunt and kill alien targets hidden on Earth, providing them with advanced weaponry—including powered suits and energy weapons.
During missions, the participants are transported to the target location and confined there until all enemies are killed or the time limit expires. Normal humans cannot perceive the players or the aliens. Those who survive are awarded points based on their kills. Upon accumulating 100 points, a participant gains access to a menu offering three choices: returning to normal life with erased memories; obtaining a powerful weapon; or reviving a deceased teammate. After their initial missions, Kurono and Kato face brutal battles that result in heavy casualties. During their third mission, Kato sacrifices himself to defeat the final target, allowing Kurono to survive despite severe injuries. This experience profoundly changes Kurono, who adopts a more heroic mindset and resolves to revive his fallen comrades. He later leads a new team of Gantz players, demonstrating exceptional combat prowess and leadership. Eventually, Kurono revives Kato, only to perish himself in a subsequent battle against a group of vampires.
As the story progresses, the rules of the missions evolve. Ordinary humans become able to witness the battles, and the aliens grow increasingly formidable. The participants eventually engage in a joint mission with a rival Gantz team from Osaka. Kato, now the central figure, fights desperately to revive Kurono, culminating in a battle against the powerful alien Nurarihyon. Though Kato succeeds in defeating the creature, he is left critically wounded.
An experienced participant named Joichiro Nishi later reveals a hidden "catastrophe countdown" on the Gantz sphere, indicating an impending global threat. One week later, Earth is invaded by a massive alien force intent on exterminating humanity. Kurono and his allies utilize Gantz technology to mount a defense. It is eventually revealed that an advanced alien species provided humanity with Gantz as a means of survival, though their motives for doing so remain a mystery.
In the final confrontation, the alien leader Eeva challenges humanity, threatening to destroy the planet unless Kurono faces him in battle. With the world watching, Kurono, aided by Kato, defeats Eeva and prevents Earth's annihilation. The series concludes with Kurono and Kato returning as heroes.
Production
Gantz
Hiroya Oku first conceived the story of Gantz during his high school years, drawing inspiration from the jidaigeki television series Hissatsu and Robert Sheckley's novel Time Killer. However, he did not commit to developing Gantz until after completing the manga Zero One, which featured a similar setting. Oku concluded Zero One because he found it insufficiently entertaining and too costly to produce.
For the manga's production, Oku began by drafting thumbnails of the pages. He then constructed 3D models of the characters and backgrounds on his computer. After printing these elements, he applied tone and color manually, finishing with sound effects and dialogue. Although he had employed a similar method in Zero One, that series involved less hand-drawing; for Gantz, Oku increased the amount of manual illustration to achieve a more realistic aesthetic and to reduce costs. He noted, however, that the process remained time-consuming, requiring rapid work to meet publication deadlines.
Oku sought to incorporate realism into Gantz and indicated that certain events in the story reflected his personal views on world issues. During violent or erotic scenes, he avoided prolonging them excessively to maintain the series' realistic tone. He stated that he did not engage in self-censorship and that all illustrated content was published as originally drawn. Several plot twists were designed to subvert common manga tropes, such as the deaths of major characters like Kei Kishimoto and Masaru Kato. Prior to serialization, Oku informed his assistants that—with the exception of protagonist Kei Kurono—all main characters would eventually die.
Media
Manga
Written and illustrated by Hiroya Oku, Gantz started in Shueisha's seinen manga magazine Weekly Young Jump on June 29, 2000. Gantz is divided into three main story arcs, referred to as "phases". After the completion of phase one (first 237 chapters) on July 20, 2006, the author put the series on hiatus for a short time to work on phase two (chapters 238–303), which was serialized from November 22, 2006, to July 2, 2009. The third and final phase (chapters 303–383) started on October 1, 2009, and the series finished after about 13 years of publication on June 20, 2013. Shueisha collected its chapters in thirty-seven tankōbon volumes, released from December 11, 2000, to August 19, 2013. A vertical-scrolling full-color edition of the series, released under the title Gantz: T, started on Shueisha's Jump Toon vertical-scrolling manga service on July 7, 2024. Shine Partners is in charge of the coloring.
In North America, publishing company Dark Horse Comics acquired the licensing rights for the release of English translations of Gantz on July 1, 2007, during the Anime Expo. The thirty-seven volumes were published between June 25, 2008, and October 28, 2015. Dark Horse Comics republished the series in a 3-in-1 twelve-volume omnibus edition from August 22, 2018, to July 5, 2023.
Spin-offs
Gantz/Osaka, showing the stories of the Gantz Osaka team, has been published in Japan in 2010 and compiled in 3 volumes released by Shueisha between October 20 and December 17, 2010. A special chapter Gantz no Moto that has Hiroya Oku telling the story on how he got into the manga business and what films influenced him was published in Miracle Jump on January 13, 2011. A one-shot chapter Gantz/Nishi, showing the life of Nishi, was published in Weekly Young Jump on May 12, 2011.
A spin-off, titled Gantz G, was published from November 2015 to March 2017. The manga was written by Oku and illustrated by Keita Iizuka.
A historical spin-off of Gantz titled Gantz: E, written by Oku and illustrated by Jin Kagetsu started in January 2020.
Anime
Gantz was adapted into a 26-episode anime television series by Gonzo, with series composition and scripts written by Masashi Sogo, characters designs by Naoyuki Onda, and music composed by Natsuki Sogawa; Yasuharu Takanashi also composed the music from episode 6 onwards. The series aired for two seasons, labeled as "stages". The first stage was broadcast for 11 episodes (out of 13 originally produced) on Fuji TV from April 13 to June 22, 2004. The first stage aired on Fuji TV with several scenes censored, due to content that were deemed inappropriate, such as violence or nudity. However, the DVD releases contained the scenes uncensored. The second stage was broadcast for 13 episodes on AT-X from August 26 to November 18, 2004. The episodes were collected on 12 DVDs, released by Shochiku, from August 25, 2004, to June 29, 2005.
In North America, ADV Films announced that they had licensed the series in 2004. It was released in uncut form, retaining the violence and nudity previously censored in Japan for broadcast. Ten DVDs were released from February 8, 2005, to January 17, 2006. The series began broadcast in Anime Network in 2005. In June 2010, Funimation announced that they had acquired the rights to the series; they released a complete DVD set on January 25, 2011.
Gantz: O, a 3D CGI animated film adaptation, was released in 2016.
Video game
On March 17, 2005, Konami published a game for the PlayStation 2 in Japan named simply as Gantz: The Game. It features the characters and plot up to the Chibi Alien mission. The game mixes third-person shooter and role-playing game (RPG) elements together. The game also includes extras including Free Play mode, a Mini Mode, Magazine Browser mode, Gantz Rankings, a special preview movie and the scenario completion statistic.
Novel
A novel, titled Gantz/Minus, written by Masatoshi Kusakabe and illustrated by Yusuke Kozaki, started serialization in Weekly Young Jump on July 23, 2009, being the first time that a novel was serialized in the magazine. It takes place before the events of the manga, with the focus being on the characters Shion Izumi and Joichiro Nishi, who participate in Gantz's missions. It was later released as a collected volume on May 19, 2010.
Another novel, titled Gantz/EXA, planned by Yumeaki Hirayama, written by Junjo Shindo and illustrated by Koji Ogata, began serialization in Weekly Young Jump on September 16, 2010. It was later released as a collected volume on January 19, 2011.
Live-action films
On November 24, 2009, it was announced that two live-action Gantz films were in production. The films star Kazunari Ninomiya and Kenichi Matsuyama in the roles of Kurono and Kato respectively, and were directed by Shinsuke Sato. The films were released in January and April 2011.
The first film, titled simply as Gantz, was released in Japan on January 29, 2011. A special North American screening took place on January 20, 2011, during which the film was simulcast in theaters across 46 states. At the end of this special Los Angeles showing, which took place at the Mann's Chinese 6 theatre, there was a discussion and live interview with both the male leads, as well as a teaser trailer for the second installment, Gantz: Perfect Answer, which was released in Japan on April 23, 2011. Gantz and Gantz: Perfect Answer were screened in San Diego as part of San Diego Comic-Con at the Gaslamp 15 Theater on July 22 and 23.
In May 2020, it was reported that Sony Pictures is adapting Gantz with writer Marc Guggenheim. In November 2021, it was announced that Julius Avery was hired to direct the film.
Other
A companion book titled Gantz/Manual was published by Shueisha on December 17, 2004. The book features episode summaries, character overviews, and additional background details on the Gantz universe. A revised edition, Gantz/Manual Remix, was published in 2011 as a supplement for Gantz manga and live-action film featuring story act summaries, manga story arc summaries, character overviews, and additional background details on the Gantz universe.
Reception
Gantz
Japanese sales from the Gantz manga have led several of the volumes to be featured in lists of best seller volumes from Japan. By November 2010, the Gantz manga had sold over 10 million units in Japan, while during January 2011 the sales increased to over 15 million volumes. By June 2013, the manga had reportedly sold 20 million copies. By April 2021, the manga had over 24 million copies in circulation.
During 2008, Dark Horse Comics announced that the Gantz series had sold 175,000 copies in America. Volume 4 of the manga reached eighth place on The New York Times "Manga Best Seller List". About.com's Deb Aoki listed Gantz as the best new seinen manga of 2008 along with Black Lagoon.
DVD sales of Gantz have been particularly strong. The third DVD volume significantly outsold the first, according to ADV Films. Strong sales ensured the continued release of subsequent volumes, making the series one of 2005's most successful anime franchises. Christopher MacDonald of Anime News Network called it one of Japan's favorite TV anime in October 2006.
The Gantz anime has been described as being extremely "violent", "gory" and "sadistic" and yet is also very "addictive", even when it was censored during broadcast.