Japan System Supply

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Japan System Supply logo

Japan System Supply Ltd. (日本システムサプライ株式会社) was an Osaka-based developer and publisher established on September 25, 1985, that also produced educational and Internet software (not included below). [1] The company went out of business around October 2000. [2] Katsumi Kawamura (河村克己) was the CEO. [3]

Research Methods: Actual mentions, hidden data, shared staff


  • Pyokotan no Dai Meiro (JP Publisher: Sunsoft)

Game Boy

  • Chalvo 55 (JP Publisher: Japan System Supply)
  • Gekitou Power Modeler (JP Publisher: Capcom)
Same game as Power Quest (GBC)

Game Boy Color

  • Power Quest (US Publisher: Sunsoft)

Game Gear

  • House of Tarot (JP Publisher: Sega)
Listed on Developer Table. Shares staff with Phantasy Star Gaiden. Japan System Supply is credited with the cover illustration in the art book Sega TV Game Genga Gallery.
  • Phantasy Star Gaiden (JP Publisher: Sega)
Listed on Developer Table. Shares staff with House of Tarot.

Nintendo 64

  • Cavalry Battle 3000 (unreleased) (Japan System Supply)
  • Chameleon Twist (JP Publisher: Japan System Supply; EU/US Publisher: Sunsoft)
  • Chameleon Twist 2 (JP Publisher: Japan System Supply; US Publisher: Sunsoft)


  • Ayrton Senna Kart Duel (JP Publisher: GAPS; EU Publisher: Sunsoft)
Sound?: Eurhythm


  • Koi no Summer Fantasy in Miyazaki Seagaia (JP Publisher: Bandai Visual)

Virtual Boy

  • Bound High (unreleased) (Nintendo)


  • Lifestorm (JP Publisher: Japan System Supply)
  • Lifestorm II (JP Publisher: Japan System Supply)
  • StoneAge (JP Publisher: Japan System Supply)