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General Support Co., Ltd. (有限会社ゼネラル・サポート) was established January 7, 1994 in Sumida-ku, Tokyo by Seishiro Mizukami (水上聖志郎). It was renamed to Ea Inc. (有限会社エア) on January 5, 1997, perhaps due to confusion with another games-related company also called General Support. Was initially a full-service development studio, but later on focused only on contract programming work.

As General Support


  • Megatudo 2096 (JP Publisher: Banpresto)


  • Airs Adventure (CG graphics) (JP Publisher: Game Studio)
Developer: Game Studio; Sound: T's Music; Music: Saegusa Shigeaki Music Factory

As Ea


  • Sakura Taisen 2: Kimi, Shinitamou koto Nakare (co-developed with Thunderstone Japan) (JP Publisher: Sega)
Production: Red Company, Overworks; Sound: T's Music, Wave Master


  • International Superstar Soccer 3 (some programming?) (EU Publisher: Konami)


  • Blade Arts: Tasogare no Miyako Ruruie (JP Publisher: Enix)
Some Direction, Some Graphics: Roman-Tech [1]; Support: Usami Kikaku, MBA International
  • Gunnm: Kasei no Kioku (JP Publisher: Banpresto)
Test Play: Studio Stat, Pole To Win

PlayStation 2

  • Lupin Sansei: Majutsuou no Isan / Lupin the 3rd: Treasure of the Sorcerer King / Le avventure di "Lupin III": Il Tesoro del Re Stregone (co-developed with Thunderstone Japan) (JP Publisher: Banpresto; US Publisher: Bandai; FR Publisher: 505 GameStreet)
Production: Banpresoft; Planning Support: Game Mentat; Some 3D Modeling: ZERO-1; Opening Movie: Momo, Laser
  • WWE SmackDown vs. Raw 2007 (some network programming) (US/EU/JP Publisher: THQ)

PlayStation Portable

  • WWE SmackDown vs. Raw 2007 (some network programming) (US/EU/JP Publisher: THQ)

Xbox 360

  • Dragon Ball Z: Battle of Z (some programming) (JP/EU Publisher: Bandai; US Publisher: Bandai Namco Games)