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Affect Co., Ltd. (株式会社アフェクト) was established on November 8, 1990. Tsutomu Yoshikawa (吉川勉), formerly of Taito and Athena, is the president. [1]

Research Methods: Hidden data, online resources (see Links), shared staff

["Description" from official website]


  • "3D Robot Shooting" from ?
  • Chaos Heat (co-developer) (Taito) ["3D Action Shooting" from 1998]
  • Mahjong Angel Kiss (Jaleco) ["Strip Mahjong" from 1995]
  • Mahjong Yonshimai: Wakakusa Monogatari (Maboroshi Ware) ["Strip Mahjong" from 1996]
  • "Shooting" from ?
  • Super Real Mahjong PIV (Seta) ["Strip Mahjong" from 1993]


  • Akko de Pon! Ikasama Hourouki (programming, some graphics, some sound) (JP Publisher: Success) [2]
Some Sound: T's Music
  • Custom Mahjong (JP Publisher: Success)
  • Hoshizora no Comic Garden (JP Publisher: D3 Publisher)
  • The Gal Mahjong (JP Publisher: D3 Publisher)
  • The Koushounin (JP Publisher: D3 Publisher) ["Negotiation Adventure" from 2007]
  • Mouichido Tsuueru: The Otona no Shougakkou (JP Publisher: D3 Publisher)
  • Nihon Pro Mahjong Kishikai Kanshuu: Pro Ninaru Mahjong DS (JP Publisher: Success)
  • Taisen!! Kato-chan no Kororonpe (JP Publisher: Cyberfront)
  • Tsubasa Chronicle (movie part) (JP Publisher: Arika) ["Card Battle (Movie Part)" from 2005]
Production Cooperation: AM Factory
  • Tsubasa Chronicle Vol. 2 (JP Publisher: Arika) ["Card Battle 2" from 2006]
  • Vampire Knight DS (JP Publisher: D3 Publisher)

Game Boy

  • Nada Asatarou no Powerful Mahjong: Tsugi no Itte 100 Dai (JP Publisher: Yojigen) ["Mahjong & Quiz" from 1994]

Game Boy Advance

  • Cardcaptor Sakura: Sakura Card de Mini-Game (JP Publisher: TDK) ["Character Mini-Game Collection" from 2003]
  • Choumakaimura R / Super Ghouls'n Ghosts (programming) (JP/US Publisher: Capcom) ["Action Game Port" from 2002]


  • Cardcaptor Sakura: Clow Card Magic (co-developer) (JP Publisher: Arika) ["Puzzle Action" from 2000]
  • Chaos Break: Episode from Chaos Heat (co-developer) (JP Publisher: Taito; EU Publisher: EON Digital Entertainment) ["3D Action Shooting Port" from 2000]
  • Double Draw (JP Publisher: Affect)
  • Finger Flashing (JP Publisher: Affect)
  • Game no Tatsujin (JP Publisher: Sunsoft) ["Port" from 1995]
  • Hikari no Shima: Seven Lithographs in Shining Island (JP Publisher: Affect)
  • Mahjong Uranai Fortuna: Tsuki no Megami-tachi (JP Publisher: Affect)
  • Mahjong Youchien Tamagogumi (JP Publisher: Affect)
  • Mahjong Youchien Tamagogumi 2: Taikai e Ikou! (JP Publisher: Affect)
  • Mainichi Neko Youbi (JP Publisher: Bandai) ["Cat Rearing Simulation" from 1998]
  • Phix no Daibouken: Phix in the Magnetix World / Phix the Adventure (JP Publisher: Affect; US Publisher: Agetec)
  • Quantum Gate I: Akuma no Joshou (JP Publisher: Gaga Communications) ["Port" from 1996 (actually came out in 1997)]
Programming: Fupac
  • Real Robots Final Attack (JP Publisher: Banpresto) ["3D Robot Fighting" from 1998]
Graphics - 3 People: Mechanic Arms [3]
  • Shougi Youchien Ayumigumi (JP Publisher: Affect)
  • Tetris with Cardcaptor Sakura: Eternal Heart (co-developer) (JP Publisher: Arika) ["Puzzle Game" from 8/10/2000]
  • Zera-chan Puzzle Pitatto Pair (JP Publisher: Affect)

PlayStation 2

  • Chobits: Chiidake no Hito (JP Publisher: Broccoli)
  • Wrestle Angels Survivor (programming?) (JP Publisher: Success) ["Simulation" from 2006]


  • Game no Tatsujin (JP Publisher: Sunsoft) ["Mahjong, Shogi, Igo, Place (?)" from 1995]
  • "Horse Racing Simulation" from 1996
  • Mahjong Tenshi Angel Lips (JP Publisher: Nihon System) ["Port" from 1996]
  • Mahjong Yonshimai: Wakakusa Monogatari (JP Publisher: Naxat Soft) ["Port" from 1996]
  • Quantum Gate I: Akuma no Joshou (JP Publisher: Gaga Communications) ["Action Adventure" from 1995]
Programming: Fupac
  • Taito Chase H.Q. + S.C.I. (JP Publisher: Taito) ["2 in 1 Car Race" from 1996]

Super Famicom/Super NES

  • Cacoma Knight / Cacoma Knight in Bizyland (JP Publisher: Datam Polystar; US Publisher: Seta) ["Jintori Puzzle" from 1993]
  • "Falling Puzzle Game" from 1994
  • Game no Tatsujin (JP Publisher: Sunsoft) ["Port" from 1995]
  • "History Simulation" from ?
  • Koushien 2 (JP Publisher: KAC) ["High School Baseball" from 1992]
  • Makeruna! Makendou / Kendo Rage (JP Publisher: Datam Polystar; US Publisher: Seta) ["School Action" from 1993]
  • Super Real Mahjong PIV (JP Publisher: Seta) ["Port" from 1993 (actually came out in 1994)]
  • Super Stadium / Nolan Ryan's Baseball (JP Publisher: Seta; US Publisher: Romstar) ["Baseball" from 1991]
  • Zenkoku Koukou Soccer Senshuken (JP Publisher: Yojigen) ["High School Soccer" from 1994]


  • Mahjong Yonshimai: Wakakusa Monogatari (JP Publisher: Shining Star) ["Port" from 1997]