Nitro+

Nitroplus

Native name	株式会社ニトロプラス
Romanized name	Kabushiki Gaisha Nitoropurasu
Type	Kabushiki gaisha
Industry	Computer games
Founded	2000
Headquarters	Taitō, Tokyo, Japan
Products	Visual novels
Total equity	¥10 million (US$121 thousand)(2012)
Number of employees	39 people (As of December, 2012)
Website	nitroplus.co.jp

Nitroplus Co., Ltd., stylized as nitro+, is a Japanese visual novel computer software company that has developed a number of visual novels, including eroge. They also have been collaborating with TYPE-MOON (another developer) to create the light novel series Fate/Zero. Their works usually have dark themes such as reanimation of the dead, rape and murder. They also have a branch of the company called Nitro+Chiral, which focuses on Boys' Love visual novels. Writers aligned with the company, such as Gen Urobuchi, have also contributed to various manga, anime, 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.

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.

Nitro+ and DMM Corporation released a web browser game called Touken Ranbu in January 2015, which as of March 2015 is one of DMM's most popular games, second only to the largely popular Kantai Collection.

Nitro+Chiral focused to boys-love games.

On January 25, 2008, they released a minigame disk titled CHiRALmori under this branch of which uses chibi versions of the characters from Togainu no Chi and Lamento.