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Intelligent Systems

Japanese video game developer


Summary

Japanese video game developer

FieldValue
nameIntelligent Systems Co., Ltd.
logoIntelligent Systems Logo.svg
logo_captionLogotype
native_name株式会社インテリジェントシステムズ
native_name_langja
romanized_nameKabushiki gaisha Interijento Shisutemuzu
typeKabushiki gaisha
industryVideo games
foundation(As a division under Iwasaki Giken Kogyo.)
<ref name"Company Profile" /
founderToru Narihiro
defunct
hq_locationMinami-ku
hq_location_cityKyoto
hq_location_countryJapan
key_people
products
num_employees208 (2025)
subsidPurejio Co., Ltd. (株式会社プレジオ)
homepage

(As a separate entity.)

is a Japanese video game developer best known for developing games published by Nintendo with the Fire Emblem, Paper Mario, WarioWare, and Wars video game series.

The company is well known for almost exclusively working with Nintendo, despite not being owned by Nintendo in any capacity; some exceptions include various Dragon Quest games, which were published by Square Enix.

History

Intelligent Systems originated as Iwasaki Giken in 1983 to develop games for Nintendo. This original group of developers worked on titles like Mario Bros., Wild Gunman, Duck Hunt, Hogan's Alley, Donkey Kong 3, Devil World, Wrecking Crew, Metroid, and more.

When the Nintendo Research & Development team was reorganized during the production of the Game Boy, the team was officially separated. In 1986, this group was established by Tohru Narihiro as Intelligent Systems. Ryoichi Kitanishi served as company CEO.

Narihiro was tasked with porting software developed for the Famicom Disk System to ROM cartridges for the NES in West. The team became an auxiliary program unit for Nintendo that provided system tools and hired people to program, fix, or port Nintendo-developed software. Much of the team's original work was developed alongside Nintendo R&D1. During this time, Intelligent Systems was one of four companies that Nintendo used to code the majority of its games. Others included Pax Softnica, SRD, and HAL Laboratory.

In 1988, IS developed Famicom Wars. Under game designer Shouzou Kaga, Intelligent Systems and Nintendo R&D1 released Fire Emblem: Shadow Dragon and the Blade of Light in 1990. It was the first time that the company took the lead on game design and graphics. Intelligent Systems began to hire graphic designers, programmers, and musicians to extend the company from an auxiliary–tool developer to a game development group. During development of the Super NES, Intelligent Systems was split into four smaller teams in order to develop games like Super Scope 6, Mario Paint, and Super Metroid. Following the success of Fire Emblem, multiple Fire Emblem titles were released under Kaga.

Intelligent Systems struggled to adjust to 3D game development during the Nintendo 64 era. Kaga left the company after Thracia 776, the fifth game in the series. After five years of development, Fire Emblem 64 was cancelled, though Paper Mario was released in 2000.

In 2001, the company released Mario Kart: Super Circuit, and Advance Wars on the Game Boy Advance. This was the first Mario Kart game to be developed outside of Nintendo. That same year, Fire Emblem characters Marth and Roy were included in Super Smash Bros. Melee, and Western fans began to take interest in the franchise. In 2003, the company had 81 employees and moved to Nintendo's Kyoto Research Center in Higashiyama-ku, Kyoto, where it share space with Nintendo’s Software Planning & Development division. Nintendo would release Fire Emblem: The Blazing Blade on the Game Boy Advance, the first game in the series to be localized for the West. Within a decade, sales of Fire Emblem games had fallen in the West. Nintendo and Intelligent Systems had decided that 2012's Fire Emblem Awakening would be the last in the series, unless it could sell 250,000 copies. The game proved to be a great success in its first year, selling 400,000 units in Japan alone. It ultimately became the best-selling game in the series in the West and the fastest-selling entry in Japan.

Toshiyuki Nakamura was named president and CEO in April 2010. In October 2013, Intelligent Systems moved to a newly constructed office near Nintendo's new headquarters. The company had 130 employees at this time. In 2019, Intelligent Systems released Fire Emblem: Three Houses, the franchise's first game on a home console in 12 years. IS partnered with Koei Tecmo, providing the main plot, game system, and mechanics, while Koei handled the bulk of the programming. By 2020, that number had increased to 169.

In 2020, Intelligent Systems finally released a localized version of Fire Emblem: Shadow Dragon and the Blade of Light in the West for the 30th anniversary of the game. It remained in the Nintendo eShop for four months before being delisted.

Mobile apps

In February 2017, Intelligent Systems released a free-to-play gacha mobile game, called Fire Emblem Heroes. Nintendo and DeNA assisted in development. By the end of 2018, it had grossed an estimated $452 million worldwide. To celebrate the game's third year, Intelligent Systems unveiled a subscription plan that would give players cosmetics, extra missions, and power boosts. By 2022, the game had exceeded $1 billion in lifetime revenue. It has made more money than Mario Kart Tour and Animal Crossing: Pocket Camp combined, and more than 10 times as Super Mario Run.

A second mobile game, Fire Emblem Shadows, was launched by Intelligent Systems and DeNA in September 2025. This game used real-time combat and social deduction gameplay elements similar to Among Us. However, the iOS app made just $90,000 in its first week, far behind Heroes.

Development tools

Intelligent Systems has produced development support tools for most Nintendo consoles. These include emulators, debuggers, software CDs, and more.

It developed the Wide Boy development tool, which allowed developers to play Game Boy games on a television. Nintendo later released it to the public as the Super Game Boy. Intelligent Systems also created the Wide Boy 64 for the Nintendo 64 console. It created software CDs for Game Boy Advance developers.

The company helped to develope the camera app for the Nintendo 3DS, contributing to the feature that allowed users to merge the faces of two people together.

List of games developed

List of games developed

YearTitlePlatform(s)NoteRef.
1983Mario Bros.NESCo-developed with Nintendo R&D1
1984Tennis
Wild Gunman
Duck Hunt
Hogan's Alley
Donkey Kong 3
Devil WorldCo-developed with Nintendo R&D1
1985Soccer
Wrecking Crew
Stack-UpCo-developed with Nintendo R&D1
Gyromite
1986TennisFamicom Disk System
Soccer
MetroidCo-developed with Nintendo R&D1url=http://www.gamasutra.com/view/feature/4333/the_elegance_of_metroid_yoshio_.phparchive-url=https://web.archive.org/web/20100425044553/http://www.gamasutra.com/view/feature/4333/the_elegance_of_metroid_yoshio_.phpurl-status=deadarchive-date=April 25, 2010title=The Elegance Of Metroid: Yoshio Sakamoto Speaksauthor=Christian Nuttdate=23 April 2010work=Gamasutrapublisher=United Business Media LLCaccess-date=5 August 2010}}
1988Famicom WarsFamicom
Kaettekita Mario Bros.Famicom Disk System
Wrecking Crew
1989AlleywayGame BoyCo-developed with Nintendo R&D1
BaseballResponsible for porting the original game to the Game Boy.
Yakuman
Golf
1990Fire Emblem: Shadow Dragon and the Blade of LightFamicomCo-developed with Nintendo R&D1
BackgammonFamicom Disk System
1991SimCitySuper NES
Game Boy WarsGame BoyCo-developed with Nintendo R&D1
1992Super Scope 6Super NES
Fire Emblem GaidenFamicomurl=http://www.pocketgamer.co.uk/r/3DS/Fire%2BEmblem:%2BAwakening/feature.asp?c=50134title=Pocket Primer: A complete history of Fire Emblemdate=April 18, 2013access-date=December 1, 2025last=Brownfirst=Markarchive-url=https://web.archive.org/web/20160304190328/http://www.pocketgamer.co.uk/r/3DS/Fire+Emblem%3A+Awakening/feature.asp?c=50134archive-date=March 4, 2016}}
Mario PaintSuper NES
Kaeru no Tame ni Kane wa NaruGame BoyCo-developed with Nintendo R&D1
Battle ClashSuper NES
1993Metal Combat: Falcon's Revenge
1994Fire Emblem: Mystery of the EmblemSuper Famicom
Super MetroidSuper NESCo-developed with Nintendo R&D1
Wario's WoodsSuper NES
1995Galactic PinballVirtual Boy
Panel de PonSuper Famicomlast=Bergfirst=Rickydate=2023-07-17title=The Puzzling Legacy of Panel de Pon And Puzzle Leagueurl=https://www.timeextension.com/features/the-puzzling-legacy-of-panel-de-pon-and-puzzle-leagueaccess-date=2025-12-02website=Time Extensionlanguage=en-GB}}
1996Fire Emblem: Genealogy of the Holy War
Tetris AttackSuper NESCo-developed with Nintendo R&D1
1998Super Famicom WarsSuper Famicom
1999Fire Emblem: Thracia 776
2000Trade & Battle: Card HeroGame Boy ColorCo-developed with Nintendo R&D1
Paper MarioNintendo 64title=Ranking the Paper Mario games, from best to worsturl=https://nintendoeverything.com/the-best-paper-mario-games-ranked/website=Nintendo Everythingdate=2025-05-24access-date=2025-12-02language=enlast=}}
Pokémon Puzzle ChallengeGame Boy Color
2001Advance WarsGame Boy AdvanceReleased as Game Boy Wars Advance 1+2 in Japan on 2004.last=Harrisfirst=Craigdate=2005-08-19title=Advance Wars: Dual Strikeurl=https://www.ign.com/articles/2005/08/19/advance-wars-dual-strikeaccess-date=2025-12-04website=IGNlanguage=en}}
Mario Kart: Super Circuitlast=Colefirst=Michaeldate=February 20, 2003title=Nintendo Puzzle Collection Reviewurl=http://www.nintendoworldreport.com/review/4051/nintendo-puzzle-collection-gamecubeaccess-date=2025-12-04website=Nintendo World Report}}
2002Cubivore: Survival of the FittestGameCubeCo-developed with Saru Brunei
Fire Emblem: The Binding BladeGame Boy Advance
2003Nintendo Puzzle CollectionGameCubeCo-developed with Nintendo R&D1
Fire Emblem: The Blazing BladeGame Boy Advance
Advance Wars 2: Black Hole RisingReleased as Game Boy Wars Advance 1+2 in Japan on 2004.
WarioWare, Inc.: Mega Party Games!GameCubeCo-developed with Nintendo R&D1
2004Paper Mario: The Thousand-Year Door
Fire Emblem: The Sacred StonesGame Boy Advance
WarioWare: Twisted!Co-developed with Nintendo SPD Group No. 1
WarioWare: Touched!Nintendo DSCo-developed with Nintendo SPD Group No. 1
2005Fire Emblem: Path of RadianceGameCube
Advance Wars: Dual StrikeNintendo DS
Dr. Mario & Puzzle LeagueGame Boy Advance
2006WarioWare: Smooth MovesWiiCo-developed with Nintendo SPD Group No. 1
2007Fire Emblem: Radiant Dawn
Super Paper Mario
Planet Puzzle LeagueNintendo DSlast=Blundonfirst=Matthewdate=February 18, 2010title=Link 'n' Launch Review - Reviewurl=http://www.nintendoworldreport.com/review/22586/link-n-launch-nintendo-dsaccess-date=2025-12-02website=Nintendo World Report}}
Face Training
Kousoku Card Battle: Card HeroCo-developed with Nintendo SPD Group No. 1
2008Advance Wars: Days of Ruin
Fire Emblem: Shadow Dragon
WarioWare: Snapped!Nintendo DSCo-developed with Nintendo SPD Group No. 1
2009WarioWare D.I.Y.
WarioWare D.I.Y. ShowcaseWiiCo-developed with Nintendo SPD Group No. 1
Dragon Quest WarsNintendo DS
Eco Shooter: Plant 530Wii
Nintendo DSi Instrument TunerNintendo DSi
Nintendo DSi Metronome
Dictionary 6 in 1 with Camera Function
Link 'n' Launch
Spotto!
2010Fire Emblem: New Mystery of the EmblemNintendo DS
2011PushmoNintendo 3DSlast=Drakefirst=Audreydate=2012-12-01title=Crashmo Reviewurl=https://www.ign.com/articles/2012/12/01/crashmo-reviewaccess-date=2025-12-02website=IGNlanguage=en}}
**Wii
2012Fire Emblem AwakeningNintendo 3DS
Crashmo
Paper Mario: Sticker Star
2013Game & WarioWii UCo-developed with Nintendo SPD Group No. 1
Daigasso! Band Brothers PNintendo 3DSCo-developed with Nintendo SDD
2014Pushmo WorldWii U
2015Code Name: S.T.E.A.M.Nintendo 3DS
Stretchmo
Fire Emblem Fates
2016Paper Mario: Color SplashWii U
2017Fire Emblem HeroesiOS, AndroidCo-developed with DeNAtitle=Nintendo shadow drops Fire Emblem Shadows as its first new mobile game in six yearsurl=https://www.pocketgamer.biz/nintendo-shadow-drops-fire-emblem-shadows-as-its-first-new-mobile-game-in-six-years/website=www.pocketgamer.bizdate=2025-09-25access-date=2025-12-02language=enfirst=Aaronlast=Astle}}
Fire Emblem Echoes: Shadows of ValentiaNintendo 3DS
2018WarioWare Gold
2019Fire Emblem: Three HousesNintendo SwitchCo-developed with Koei Tecmo
2020Paper Mario: The Origami King
2021WarioWare: Get It Together!
2023Fire Emblem Engage
WarioWare: Move It!
2024Paper Mario: The Thousand-Year Door
2025Fire Emblem ShadowsiOS, AndroidCo-developed with DeNA
2026Fire Emblem: Fortune's WeaveNintendo Switch 2
Dragon HopperVirtual Boy

;

Cancelled

TitleSystemRef(s)
Fire Emblem 64Nintendo 64DD
Untitled Fire Emblem gameWii
Crashmo WorldWii U

Notes

References

References

  1. (September 2, 2020). "インテリジェントシステムズに就職したい!会社の概要と就職の際のポイント".
  2. "沿革 {{!}} INTELLIGENT SYSTEMS CO., LTD.".
  3. "ゲーム". Intelligent Systems.
  4. Schmitz, Tobias. (March 23, 2014). "Fire Emblem-Studio Intelligent Systems ist in neues Gebäude umgezogen".
  5. Staff, I. G. N.. (2001-01-10). "Developer Profile: Intelligent Systems".
  6. Craddock, David. (2017-02-03). "How Super Smash Bros. Melee Introduced Fire Emblem to Western Audiences".
  7. Stockdale, Henry. (2023-01-22). "A Fire Emblem retrospective: A history of RPG excellence".
  8. Fahey, Mike. (2014-11-03). "Ten Things You Might Not Know About Fire Emblem".
  9. Sahdev, Ishaan. (2014-06-25). "Intelligent Systems Has Been Growing These Past Few Years".
  10. "Location". Intelligent Systems.
  11. Sahdev, Ishaan. (2014-01-10). "Fire Emblem Studio Intelligent Systems Has A New Headquarters".
  12. McFerran, Damien. (2013-05-23). "Fire Emblem: Awakening Could Have Been The Swansong For The Series".
  13. Cook, Dave. (2013-05-23). "Fire Emblem: Awakening was almost last game in the series, dev reveals".
  14. Donaldson, Alex. (2019-07-05). ""Without the help of Koei Tecmo it simply wouldn't have been possible" - Fire Emblem: Three Houses developers on their biggest strategy RPG yet".
  15. Sahdev, Ishaan. (2020-02-23). "A Look at How Much Fire Emblem Developer Intelligent Systems Has Grown Lately".
  16. Kent, Emma. (2020-10-22). "The first Fire Emblem game is coming to the west… for four months".
  17. Bailey, Kat. (2019-03-12). "Talking About the Future of Fire Emblem Heroes With Intelligent Systems".
  18. Otero, Jose. (2017-01-31). "Fire Emblem Heroes Isn’t a Mobile Knock-Off".
  19. Nelson, Randy. (November 2018). "Fire Emblem Heroes Revenue for October Blazes Past $17 Million Worldwide".
  20. Frushtick, Russ. (2020-02-03). "Nintendo’s new Fire Emblem subscription service is angering fans".
  21. Astle, Aaron. (2025-09-25). "Nintendo shadow drops Fire Emblem Shadows as its first new mobile game in six years".
  22. Astle, Aaron. (2025-02-05). "Nintendo’s Fire Emblem Heroes: eight years, $1.3bn revenue and the value of player voting".
  23. Astle, Aaron. (2025-09-25). "Nintendo shadow drops Fire Emblem Shadows as its first new mobile game in six years".
  24. Astle, Aaron. (2025-10-02). "Nintendo’s Fire Emblem Shadows makes just $90,000 in first week on iOS".
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  27. "Development Tools".
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  32. Brown, Mark. (April 18, 2013). "Pocket Primer: A complete history of Fire Emblem".
  33. Berg, Ricky. (2023-07-17). "The Puzzling Legacy of Panel de Pon And Puzzle League".
  34. (2025-05-24). "Ranking the Paper Mario games, from best to worst".
  35. Penwell, Jack. (2025-06-06). "Every Game Boy Pokemon Game, Ranked".
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  38. Cole, Michael. (February 20, 2003). "Nintendo Puzzle Collection Review".
  39. Staff, I. G. N.. (2023-09-01). "The 25 Best GameCube Games of All Time".
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  45. Burman, Rob. (2007-07-04). "DS Snaps Up Camera".
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  47. Shoemaker, Brad. (October 16, 2007). "Advance Wars: Days of Ruin First Look".
  48. Holmes, Jonathan. (2009-04-08). "Destructoid review: WarioWare: Snapped!".
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  51. MacDonald, Keza. (2010-02-01). "530 Eco Shooter review".
  52. "ニンテンドーDSi楽器チューナー".
  53. "ニンテンドーDSiメトロノーム".
  54. "Dictionary 6 in 1 with Camera Function".
  55. Wahlgren, Jon. (2010-02-17). "Review: Spotto! (DSiWare)".
  56. Drake, Audrey. (2012-12-01). "Crashmo Review".
  57. "intsys.co.jp/company/gamesoft/index".
  58. Whitehead, Thomas. (May 28, 2014). "Nintendo of America Confirms Pushmo World Release Details".
  59. Rose, Bryan. (March 12, 2015). "Code Name: S.T.E.A.M. Review - Review".
  60. McWhertor, Michael. (2015-05-14). "Stretchmo is Nintendo's newest free-to-play experiment for 3DS".
  61. Lehew, Alex. (November 12, 2015). "Fire Emblem Fates releases February 19th; release details revealed". The Tanooki.
  62. Astle, Aaron. (2025-09-25). "Nintendo shadow drops Fire Emblem Shadows as its first new mobile game in six years".
  63. Sullivan, Meghan. (2017-05-16). "Fire Emblem Echoes: Shadows of Valentia Review".
  64. Donlan, Christian. (2018-08-06). "WarioWare Gold review - a glitter-trumpet of sheer joy".
  65. (July 9, 2025). "Intelligent Systems hiring to develop a "popular title" for Nintendo".
  66. Hart, Aimee. (2025-09-16). "Fire Emblem: Fortune's Weave is looking more like a prequel than a sequel".
  67. https://www.gematsu.com/2026/01/virtual-boy-nintendo-classics-overview-trailer
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  70. Jenni. (December 28, 2016). "Crashmo World Apparently Was In Development For the Nintendo Wii U".
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