Konami — Enjoy Game Japan Museum illustration

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Konami

コナミ

Japan

About

Konami Holdings Corporation is a Japanese entertainment company founded in 1969. In the 1980s and 1990s, it produced a string of influential video games including Castlevania, Contra, Metal Gear, Gradius, and Silent Hill. The original Castlevania (Akumajo Dracula) for the Famicom Disk System was released in 1986 and established one of gaming's most enduring action-platformer series.

History

Konami's origins trace back to March 21, 1969, when Kagemasa Kozuki — born November 12, 1940 — launched a sole proprietorship in Toyonaka, Osaka, to rent and repair jukebox machines. The name Konami was assembled from the surnames of its founding members: Kozuki (Ko), Nakama Yoshinobu (nami), and, by some accounts, Miyasako Tatsuo — though sources vary slightly on the exact derivation. It was a practical trade, serving bars and entertainment establishments at a time when jukebox culture was embedded in Japanese nightlife. Kozuki ran the business with the operational discipline of a maintenance engineer: keep the machines running, serve the clients, expand steadily. On March 19, 1973, the venture was incorporated as Konami Industry Co., Ltd., formalizing four years of accumulated goodwill into a legal entity.

The company's pivot toward electronics arrived in stages. In July 1976, Konami began manufacturing electronic amusement machines — coin-operated devices that sat in the same entertainment spaces as its jukeboxes. In January 1978, it made a more decisive commitment by entering the microcomputer-based video game hardware business. This was the same year that Space Invaders remade the global arcade industry, and Konami was positioned in exactly the right market at the right moment. The transition from jukebox repairman to video game manufacturer happened not through a single bold bet but through the incremental logic of serving venues that increasingly wanted machines that could do both — and then machines that could do something the jukebox never could.

The arcade years of the early 1980s established Konami's international reputation. In 1981, Scramble became a genuine phenomenon: ten thousand units sold in two months, generating approximately twenty million dollars in revenue, and reaching number one on the American Replay arcade chart. That same year, Frogger — co-published with Sega — brought the company further mainstream visibility. Time Pilot followed in 1982. By 1985, Gradius had arrived in arcades, combining precise scrolling-shooter mechanics with a power-up system that rewarded patience and positioning over reflex alone. When the Famicom version shipped on April 25, 1986, it carried inside it something that its lead programmer, Hashimoto Kazuhisa, had inserted without announcement: a cheat sequence, entered on the controller before the title screen, that granted the player thirty lives. The sequence was ↑↑↓↓←→←→BA. Hashimoto had included it because he could not finish the game himself. Guinness World Records would later certify it as the most widely recognized cheat code in gaming history.

Castlevania — known in Japan as Akumajō Dracula — debuted on the Famicom Disk System in September 1986, establishing a franchise built on gothic atmosphere, tight platforming, and a monster roster drawn from European horror tradition. The series evolved across hardware generations, but its most consequential reinvention came in 1997 with Castlevania: Symphony of the Night on the PlayStation, directed by Hagihara Toru with assistant director Igarashi Koji taking on increasing creative responsibility as development progressed. Symphony of the Night fused the franchise's gothic aesthetic with open-world exploration borrowed from Metroid, layering RPG character progression onto a labyrinthine castle map. Initial sales were modest — roughly 470,000 copies in North America and 220,000 in Japan — but word of mouth gave the game a life far exceeding its launch numbers. The hybrid design approach it pioneered became so influential that a genre label was coined to describe it: Metroidvania. Hashimoto Kazuhisa, who had hidden the Konami Code inside Gradius, died on February 25, 2020, at the age of sixty-one.

The Metal Gear franchise began in July 1987, when Kojima Hideo — who had joined Konami in 1986 — shipped his first game project on the MSX2 home computer. Hardware constraints that would have defeated another designer became, in Kojima's hands, a creative premise: because the MSX2 could not render fast-moving gunfights with multiple enemies, the player's character would avoid combat rather than seek it. Stealth became not a limitation but a philosophy. Metal Gear Solid, released for the PlayStation in 1998, translated that philosophy into three dimensions, adding cinematic presentation, layered narrative, and a depth of environmental storytelling that drew praise from outside the games industry — including a feature in American Newsweek. The game sold approximately 6.6 million copies worldwide by 2002. By June 2023, the Metal Gear series had surpassed sixty million units in cumulative sales.

In December 1997, Konami launched Beatmania in arcades, a turntable-and-keys rhythm controller that asked players to perform rather than simply react. The game sold approximately 6,700 cabinet units by May 1999. In 1999, Konami formalized its rhythm game division under the BEMANI brand, renaming the internal group from G.M.D. That same year, Dance Dance Revolution introduced a floor panel controller that players activated with their feet, transforming a video game into something closer to a fitness activity. DDR expanded to North America and Europe in 1999, acquired a competitive community, and found its way into schools and physical education curricula. The BEMANI lineup eventually grew to encompass over a dozen distinct game series, making Konami the dominant force in arcade music games for the better part of two decades.

On February 4, 1999, Konami released Yu-Gi-Oh! Vol. 1, the first set in what would become the best-selling trading card game in recorded history. On July 7, 2009, Guinness World Records certified the franchise at 22.587 billion cards sold — the top-selling trading card game on earth. In June 2011, the record was updated again: 25.17 billion cards, a figure that continued to grow. The physical card game was complemented by digital adaptations, anime licensing, and tournament infrastructure that made Yu-Gi-Oh! a self-sustaining entertainment ecosystem spanning multiple media. In 2024, Guinness certified a new record of 7,443 simultaneous duels at a single event.

On March 31, 2006, Konami restructured by dividing its entertainment operations into a wholly owned subsidiary, Konami Digital Entertainment Co., Ltd., while the parent company became a pure holding entity. In December 2015, Kojima Hideo's contract with Konami ended; the company confirmed his departure on December 15, 2015, citing the conclusion of his contract term. The following day, Kojima announced the formation of Kojima Productions as an independent studio. The Game Awards 2015, held that same month, awarded Metal Gear Solid V: The Phantom Pain its Best Score/Music prize; Kojima was not permitted to attend the ceremony to accept. The episode drew significant international attention and criticism. The years that followed saw Konami redirect energy toward mobile, sports simulation, and pachinko while critics pointed to dormant IP. But from 2020 onward, the company re-engaged its legacy catalogue: Momotaro Dentetsu shipped four million copies by July 2023; Silent Hill 2's remake crossed one million copies nine days after its October 2024 launch; Metal Gear Solid Δ: Snake Eater surpassed one million in September 2025. For fiscal year ending March 2025, Konami reported net revenue of ¥421.6 billion and business profit of ¥109.1 billion — both all-time company records.

Timeline & Works

Corporate milestones and all 46 games in the museum this studio developed — in the order they happened.

  1. 1969 03

    Konami founded in Toyonaka, Osaka

    Kagemasa Kozuki launches a sole proprietorship in Toyonaka, Osaka on March 21, 1969, renting and repairing jukebox machines for bars and entertainment venues. The name Konami is assembled from the surnames of the founding members.

    founding
  2. 1973 03

    Incorporated as Konami Industry Co., Ltd.

    The sole proprietorship is incorporated as Konami Industry Co., Ltd. on March 19, 1973, formalizing four years of accumulated operations.

    founding
  3. 1981

    Scramble — first major international hit

    Scramble ships approximately ten thousand arcade cabinets in two months, generating around twenty million dollars in revenue, and reaches number one on the American Replay arcade chart. Frogger, co-published with Sega, follows the same year.

    product
  4. 1981
    Frogger

    Game Boy

  5. 1985

    Gradius launches in arcades

    Gradius begins arcade operation in 1985, introducing a power-up selection system that would define the scrolling-shooter genre. The Famicom version, released on April 25, 1986, contains the hidden Konami Code entered by programmer Hashimoto Kazuhisa.

    product
  6. 1986 09

    Castlevania (Akumajō Dracula) released on Famicom Disk System

    The original Castlevania launches on the Famicom Disk System in September 1986, establishing a gothic action-platformer franchise that would span multiple console generations.

    product
  7. 1986
    Castlevania

    Family Computer Disk System

  8. 1986
    Gradius

    Family Computer (Famicom) / NES

  9. 1986
    Moero TwinBee: Cinnamon Hakase o Sukue!

    Family Computer Disk System

  10. 1986
    The Goonies

    Family Computer (Famicom) / NES

  11. 1987 07

    Metal Gear released on MSX2 — stealth genre born

    Kojima Hideo ships Metal Gear on the MSX2 on July 13, 1987, his first game project after joining Konami in 1986. Hardware limitations are reframed as a design philosophy: the player must avoid combat rather than engage it, inventing the stealth game as a genre.

    product
  12. 1987
    Ai Senshi Nicol

    Family Computer Disk System

  13. 1987
    Arumana no Kiseki

    Family Computer Disk System

  14. 1987
    Castlevania II: Simon's Quest

    Family Computer Disk System

  15. 1987
    Castlevania II: Simon's Quest

    Family Computer Disk System

  16. 1987
    Esper Dream

    Family Computer Disk System

  17. 1987
    Falsion

    Family Computer Disk System

  18. 1987
    Getsu Fuuma Den

    Family Computer (Famicom) / NES

  19. 1987
    Green Beret (Rush'n Attack)

    Family Computer Disk System

  20. 1987
    Life Force

    Family Computer (Famicom) / NES

  21. 1987
    Salamander

    Family Computer (Famicom) / NES

  22. 1988
    Bio Miracle Bokutte Upa

    Family Computer Disk System

  23. 1988
    Contra

    Family Computer (Famicom) / NES

  24. 1988
    Konamic Ice Hockey

    Family Computer Disk System

  25. 1988
    Snatcher

    PC Engine / TurboGrafx-16

  26. 1989
    Castlevania III: Dracula's Curse

    Family Computer (Famicom) / NES

  27. 1989
  28. 1989
    Teenage Mutant Ninja Turtles

    Family Computer (Famicom) / NES

  29. 1990
    Nemesis

    Game Boy

  30. 1991
  31. 1991
  32. 1991
    Crisis Force

    Family Computer (Famicom) / NES

  33. 1991
    Salamander

    PC Engine / TurboGrafx-16

  34. 1991
    Super Castlevania IV

    Super Famicom / SNES

  35. 1992
    Contra III: The Alien Wars

    Super Famicom / SNES

  36. 1992
    Snatcher

    PC Engine / TurboGrafx-16

  37. 1993
    Castlevania: Rondo of Blood

    PC Engine / TurboGrafx-16

  38. 1993
    Kid Dracula

    Game Boy

  39. 1993
    Pop'n TwinBee

    Super Famicom / SNES

  40. 1993
    Rocket Knight Adventures

    Sega Mega Drive / Genesis

  41. 1994 03

    Jikkyō Powerful Pro Yakyū series launched

    The first Jikkyō Powerful Pro Yakyū is released for Super Famicom on March 11, 1994. From 1997 onward, the franchise holds the cumulative top-selling position among baseball simulation games in Japan.

    product
  42. 1994
    Castlevania: Bloodlines

    Sega Mega Drive / Genesis

  43. 1994
    Contra: Hard Corps

    Sega Mega Drive / Genesis

  44. 1994
    Sparkster: Rocket Knight Adventures 2

    Sega Mega Drive / Genesis

  45. 1994
    Tokimeki Memorial

    PC Engine / TurboGrafx-16

  46. 1995
    Suikoden

    PlayStation

  47. 1997

    Castlevania: Symphony of the Night — Metroidvania genre defined

    Symphony of the Night, directed by Hagihara Toru with assistant director Igarashi Koji, is released for PlayStation in 1997, fusing gothic action with open exploration and RPG progression. Despite modest initial sales, it becomes one of the most critically admired games in the series and names a genre.

    product
  48. 1997 12

    Beatmania launches — BEMANI era begins

    Beatmania begins arcade operation in December 1997, introducing a turntable-and-keys controller that transforms the arcade experience into a performance. In 1999, the internal development group is renamed from G.M.D. to BEMANI, formalizing the brand.

    product
  49. 1997
  50. 1997
  51. 1998

    Metal Gear Solid — PlayStation, worldwide acclaim

    Metal Gear Solid is released on PlayStation in 1998, selling approximately six million copies worldwide. Its cinematic presentation, layered narrative, and environmental storytelling draw praise from mainstream media including Newsweek.

    product
  52. 1998
    Metal Gear Solid

    PlayStation

  53. 1999 02

    Yu-Gi-Oh! Official Card Game — first set released

    The Yu-Gi-Oh! Official Card Game Vol. 1 is released on February 4, 1999. By 2009 the franchise is certified by Guinness World Records as the best-selling trading card game of all time, with 22.587 billion cards sold.

    product
  54. 1999
    Castlevania

    Nintendo 64

  55. 1999
    Silent Hill

    PlayStation

  56. 1999
    Survival Kids

    Game Boy Color

  57. 2000
    Metal Gear: Ghost Babel

    Game Boy Color

  58. 2006 03

    Corporate split — Konami Digital Entertainment established

    On March 31, 2006, Konami divides its entertainment operations into a wholly owned subsidiary, Konami Digital Entertainment Co., Ltd., and the parent company transitions to a pure holding company structure.

    corporate
  59. 2015 12

    Kojima Hideo departs Konami; Kojima Productions founded

    On December 15, 2015, Konami confirms Kojima Hideo's departure, citing the conclusion of his contract term. Kojima announces the formation of the independent studio Kojima Productions the following day. That same month, Metal Gear Solid V: The Phantom Pain receives recognition at The Game Awards 2015.

    leadership
  60. 2020 11

    Momotaro Dentetsu returns — four million copies shipped

    Momotaro Dentetsu — Showa, Heisei, Reiwa mo Teiban! launches in November 2020 and ships four million copies by July 2023, marking the largest commercial result in the franchise's history.

    product
  61. 2024 10

    Silent Hill 2 remake exceeds one million copies

    Silent Hill 2 — a remake developed by Bloober Team — is released on October 8, 2024, and crosses one million copies sold by October 17, nine days after launch.

    product

Connections

  • collaborated with sega (1981–present)

    Konami and Sega co-published Frogger in 1981, sharing cabinet distribution in the North American arcade market.

  • collaborated with nintendo (1986–present)

    Konami has published titles on Nintendo platforms continuously since the Famicom era beginning in 1986, including Gradius, Castlevania, Contra, and the Yu-Gi-Oh! card game series, spanning every Nintendo console generation.

  • collaborated with sony-computer-entertainment (1997–present)

    Konami released several of its most celebrated titles on PlayStation platforms, including Metal Gear Solid (1998), Castlevania: Symphony of the Night (1997), Silent Hill (1999), and the early Winning Eleven series.

  • acquired hudson-soft (2005–2012)

    Konami acquired a stake in Hudson Soft in 2005 and completed the full absorption in 2012, absorbing Hudson's Bomberman and PC Engine legacy into the Konami catalogue.

Also connected to

  • treasure 共同開発実績 (2004–)(逆方向)

Stories featuring Konami

Rooms their games live in

Sources

  1. コナミグループ公式沿革
  2. 上月景正 — Wikipedia(日本語)
  3. コナミグループ — Wikipedia(日本語)
  4. Konami — Wikipedia (English)
  5. コナミコマンド — Wikipedia(日本語)
  6. コナミコマンド40周年 — ファミ通
  7. メタルギアシリーズ累計6,000万本突破 — 電ファミニコゲーマー
  8. 小島秀夫監督退社の経緯詳細 — Game*Spark
  9. eFootball 7億ダウンロード突破 — gamebiz
  10. コナミ2025年3月期決算 — gamebiz
  11. 遊☆戯☆王オフィシャルカードゲーム — Wikipedia(日本語)
  12. 遊戯王カード251億枚でギネス更新 — J-CAST
  13. SILENT HILL 2 発売9日で100万本突破 — コナミ公式
  14. 桃鉄 累計400万本出荷 — コナミ公式
  15. METAL GEAR SOLID Δ: SNAKE EATER 100万本突破 — コナミ公式
  16. Castlevania: Symphony of the Night — Wikipedia (English)
  17. Beatmania — Wikipedia (English)
  18. Dance Dance Revolution — Wikipedia (English)
  19. 五十嵐孝司 — Wikipedia(日本語)
  20. 小島秀夫(ゲームデザイナー)— Wikipedia(日本語)