Nitroplus Co., Ltd., currently styled as NITRO PLUS, formerly stylized as nitro+, and formerly known as "OKStyle", is a Japanese

visual novel A , often abbreviated as VN, is a form of digital semi-interactive fiction. Visual novels are often associated with and used in the medium of video games, but are not always labeled as such themselves. They combine a textual narrative with sta ...

video game developer A video game developer is a broad term for a software developer specializing in video game development – the process and related disciplines of creating video games. A game developer can range from one person who undertakes all tasks to a large ...

that has developed a number of

s, including

eroge An ''eroge'' ( or , ''erogē''; ; a portmanteau of ''erotic game'' , ''erochikku gēmu'') is a Japanese genre of erotic video game. In 1982, Japan's Koei, founded by husband-and-wife team Yoichi and Keiko Erikawa (and later known for strategy ...

. They also have been collaborating with developer Type-Moon to create the

light novel A light novel (, Hepburn: ''raito noberu'') is a style of young adult novel primarily targeting high school and middle school students. The term "light novel" is a ''wasei-eigo'', or a Japanese term formed from words in the English languag ...

series '' Fate/Zero''. Their works usually have dark themes such as reanimation of the dead,

rape Rape is a type of sexual assault usually involving sexual intercourse or other forms of sexual penetration carried out against a person without their consent. The act may be carried out by physical force, coercion, abuse of authority, or ag ...

and

murder Murder is the unlawful killing of another human without justification (jurisprudence), justification or valid excuse (legal), excuse, especially the unlawful killing of another human with malice aforethought. ("The killing of another person wit ...

. They also have a branch of the company called

Nitro+chiral Nitro+chiral is a subsidiary of the Japanese visual novel company Nitroplus that focuses on creating BL eroge visual novels. History The company was formed in 2004 and released their first work, ''Togainu no Chi'', in 2005. Their second game, '' ...

, which focuses on

Boys' Love ''Yaoi'' (; ja, やおい ), also known by the ''wasei-eigo'' construction and its abbreviation , is a genre of fictional media originating in Japan that features homoerotic relationships between male characters. It is typically created b ...

visual novels. Writers aligned with the company, such as

Gen Urobuchi is a Japanese novelist, visual novel writer and anime screenwriter. He is known for being the co-creator of the highly acclaimed and commercially successful anime series '' Puella Magi Madoka Magica'', which earned him the Tokyo Anime Award for ...

, have also contributed to various

manga Manga (Japanese: 漫画 ) are comics or graphic novels originating from Japan. Most manga conform to a style developed in Japan in the late 19th century, and the form has a long prehistory in earlier Japanese art. The term ''manga'' is u ...

anime is Traditional animation, hand-drawn and computer animation, computer-generated animation originating from Japan. Outside of Japan and in English, ''anime'' refers specifically to animation produced in Japan. However, in Japan and in Japane ...

, novel, and television works. Super Sonico is the mascot of Nitroplus' annual music festival event, "Nitro Super Sonico", since 2006. Nitroplus has held their music festival every year since 2000. Originally Ouka Satsurikuin was Nitroplus' original mascot before Super Sonico had appeared.

List of works

*''

Phantom of Inferno ''Phantom of Inferno'' (known in Japan as ''Phantom -PHANTOM OF INFERNO-'') is an adult visual novel game created by Nitroplus, directed and written by Gen Urobuchi, distributed in North America by Hirameki International (a subsidiary of ...

'' (February 25, 2000) *'' Vampirdzhija Vjedogonia'' (January 26, 2001) *'' Kikokugai: The Cyber Slayer'' (March 29, 2002) *''"Hello, world."'' (September 27, 2002) *''Zanma Taisei

Demonbane is a visual novel series by Nitroplus with mecha and Cthulhu mythos elements. Beginning as an eroge visual novel for the PC, it was ported into a PlayStation 2 non-eroge remake, and spawned a sequel visual novel, a prequel novel, an anim ...

'' (April 25, 2003) *''

Saya no Uta ''The Song of Saya'' is a horror eroge lolicon visual novel by Nitroplus. The original plot was written by Gen Urobuchi, who took inspiration from reading Lovecraft novels during a lonely time in his life. In 2009, an English fan translatio ...

'' (December 26, 2003) *''Phantom INTEGRATION'' (September 17, 2004) *''Angelos Armas -Tenshi no Nichou Kenju-'' (January 28, 2005) *''

Jingai Makyō is a Japanese adult visual novel game developed by Nitroplus that was released on June 24, 2005. Plot Demonic creatures exist and manipulate the world behind the scenes (called Narazaru). Some are good and just want to live in the world, while ...

'' (June 24, 2005) *''Hanachirasu'' (September 30, 2005) *''Sabbat Nabe'' (December, 2005) *''Dra†KoI'' (February 3, 2006) *''Kishin Hishou

'' (May 26, 2006) *'' Gekkō no Carnevale'' (January 26, 2007) *''Zoku Satsuriku no Django -Jigoku no Shoukinkubi-'' (July 27, 2007) *''Sumaga'' (September 26, 2008) *''Sumaga Special'' (June 26, 2009) *'' Full Metal Daemon: Muramasa'' (October 30, 2009) *''Axanael'' (December 17, 2010) *'' SoniComi'' (November 25, 2011) *''Phenomeno'' (June 16, 2012) *'' Guilty Crown: Lost Christmas'' (July 27, 2012) *''Kimi to Kanojo to Kanojo no Koi'' (June 28, 2013) (Officially localized as ''You and Me and Her: A Love Story'') *''

Expelled from Paradise is a 2014 Japanese anime science fiction film. The film is directed by Seiji Mizushima, with a screenplay written by Gen Urobuchi. The film was produced by Toei Animation and animated by Graphinica, and was distributed by T-Joy and Toei Compan ...

'' (November 15, 2014) *'' Nitroplus Blasterz: Heroines Infinite Duel'' (April 30, 2015, developed by Examu) *''

Tokyo Necro Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.4 ...

(''January 29, 2016) *''Minikui Mojika no Ko'' (July 27, 2018) *''

Smile of the Arsnotoria is a Japanese mobile game created by Nitroplus. Developed by NextNinja and published by Good Smile Company, the game was released on iOS and Android (operating system), Android in March 2021. A manga adaptation by Masaki Hattori began serial ...

'' (March 4, 2021) They also released a fighting game ''Nitro+ Royale -Heroines Duel- (ニトロ+ロワイヤル -ヒロインズデュエル-)'' at the 2007 Comiket.

5pb. x Nitro+

*''

Chaos;Head ''Chaos;Head'' (stylized as ''ChäoS;HEAd'') is a 2008 science fiction visual novel video game developed by 5pb. and Nitroplus. It is the first game in the ''Science Adventure'' series. Following the original Windows release, the enhanced ver ...

'' (April 25, 2008) *'' Chaos;Head Noah'' (February 26, 2009) *'' Steins;Gate'' (October 15, 2009) *''

Chaos;Head Love Chu Chu! ''Chaos;Head Love Chu Chu!'' is a romantic comedy visual novel video game developed by 5pb. and Nitroplus. It is part of the ''Science Adventure'' series, and is the direct sequel of the 2009 game '' Chaos;Head NoAH''. It was released for Xbox 360 ...

'' (March 25, 2010)

DMM x Nitro+

Nitro+ and DMM Corporation released a web browser game called ''

Touken Ranbu is a free-to-play collectible card game, collectible card browser game, browser video game developed by Nitroplus and DMM.com, DMM Games. The game was launched in Japan in January 2015, and worldwide in April 2021. The franchise has inspired and ...

'' in January 2015, which as of March 2015 is one of DMM's most popular games, second only to the largely popular

Kantai Collection , abbreviated as , is a Japanese free-to-play web browser game developed by Kadokawa Games and published by DMM.com. The central theme of the game is the representation of World War II warships Moe anthropomorphism, personified as teenage girls ...

Nitro+Chiral branch works

Nitro+Chiral focused to boys-love games. * ''

Togainu no Chi is a Japanese BL visual novel created by Nitro+CHiRAL. The plot centers on Akira, a young man who is made to participate in a deadly game called "Igura" (from "игра"/ "igra", Russian for "game") in post-apocalyptic Japan in exchange ...

'' (February 25, 2005/May 29, 2008) * ''Lamento -Beyond the Void-'' (November 10, 2006) * ''Sweet Pool'' (December 19, 2008) * ''

DRAMAtical Murder is a Japanese BL visual novel developed and published by Nitro+chiral. It was originally released on March 23, 2012 for Windows PCs as a first press edition, with a regular edition released on April 27, 2012. A sequel titled ''Dramatica ...

'' (March 23, 2012) * ''DRAMAtical Murder re:connect'' (April 26, 2013) * ''Slow Damage'' (February 25, 2021) On January 25, 2008, they released a minigame disk titled ''CHiRALmori'' under this branch of which uses chibi versions of the characters from ''

'' and ''Lamento''.

References

External links

*
Nitro+Chiral website
{{Authority control Video game companies of Japan Video game development companies Japanese companies established in 2000 Video game companies established in 2000 Software companies based in Tokyo Taitō