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OeRSTED Inc. (株式会社エルステッド) was established on March 25, 1991 in Kumamoto, Japan. Sei Mochizuki (望月成) is the president, and much of the staff previously worked for Carry Lab and Alfa System. Apart from game development, the company was involved with the "あなただけをすきになるよ Who?ちゃん" doll and was one of the main creators of the P/ECE platform by Aquaplus.

Research Methods: Actual mentions, online resources (see Links), shared staff


  • Tokutei! Metabo Juku (JP Publisher: Ludic)
  • Tsuji Gakuen Tsuji Cooking Kanshuu: Koharu no DS Uchigohan: Shokuji Balance Guide Tsuki (JP Publisher: Comolink)

Game Boy

  • Block Kuzushi GB (JP Publisher: POW)

Game Boy Color

  • DX Monopoly GB (programming) (JP Publisher: Takara)
Direction, Graphics: VR-1 Japan; Music: TONES


  • Mega Man X Collection (US/CA Publisher: Capcom)

PC Engine CD/TurboGrafx-CD

  • Wrestle Angels: Double Impact (some programming) (JP Publisher: NEC Home Electronics)


  • Cyberbots: Full Metal Madness (JP Publisher: Capcom)
  • DX Okuman Chouja Game: The Money Battle (JP Publisher: Takara)
  • DX Okuman Chouja Game II: The Money Battle (co-developed with VR-1 Japan?) (JP Publisher: Takara)
Some Graphics: Algo-Nicus, WildCard Project; Sound: T's Music
  • Little Lovers: She So Game (programming) (JP Publisher: NTT)
Production: VR-1 Japan; Graphics: Algo-Nicus, Kagura, M Plan; Cel Animation: Studio Live; Debugging: RMC
  • Naniwa no Akindo: Futte Nanbo no Saikoro Jinsei (JP Publisher: Sony Music Entertainment)
  • Quiz Darake no Jinsei Game: Un to Atama de Daifugou!? (some programming) (JP Publisher: Takara)
Developer: VR-1 Japan; Sound: T's Music
  • RockMan 4: Aratanaru Yabou!! (some programming, some sound) (JP Publisher: Capcom)
Some Programming, Some Graphics, Some Sound: Intec
  • RockMan 5: Blues no Wana!? (some programming, some sound) (JP Publisher: Capcom)
Some Programming, Some Graphics, Some Sound: Intec
  • RockMan 6: Shijou Saidai no Tatakai!! (some programming, some sound) (JP Publisher: Capcom)
Some Programming, Some Graphics, Some Sound: Intec

PlayStation 2

  • Hooligan: Kimi no Naka no Yuuki (some programming, some graphics, sound data) (JP Publisher: PCCW Japan)
  • Mega Man X Collection (US Publisher: Capcom)
  • Tales of the World: Radiant Mythology (some battle program support) (AS/JP/KR Publisher: Namco; US/AU Publisher: Bandai Namco Games; EU Publisher: Ubisoft)

Super Famicom/Super NES

  • Bishoujo Wrestler Retsuden: Blizzard Yuki Rannyuu!! (sound) (JP Publisher: KSS)
  • Block Kuzushi (JP Publisher: POW)
  • Ippatsu Gyakuten: Keiba Keirin Kyoutei (sound programming) (JP Publisher: POW)
  • Kikuni Masahiko no Jantoushi Doraou 2 (sound programming) (JP Publisher: POW)
Planning: Log Staff
  • Miyaji Shachou no Pachinko Fan: Shouri Sengen 2 (sound programming) (JP Publisher: POW)
  • Nakajima Satoru Kanshuu F-1 Hero '94 (sound programming) (JP Publisher: Varie)
Some Programming: Genic
  • Pachinko Wars (JP Publisher: Coconuts Japan)
  • Pachinko Wars 2 (JP Publisher: Coconuts Japan)
  • Princess Maker: Legend of Another World (sound programming) (JP Publisher: Takara)
  • Super Casino 2 (programming) (JP Publisher: Coconuts Japan)
Graphics: Soft Machine
  • Super Okuman Chouja Game (sound programming) (JP Publisher: Takara)


  • Chinmoku no Kantai 2: The Silent Service (JP Publisher: SystemSoft Alpha)
  • Taiheiyou no Arashi 5 (JP Publisher: SystemSoft Alpha)
  • Tenka Touitsu V (JP Publisher: SystemSoft Alpha)


  • The Fairyland Story (developer?) (JP Publisher: SPS)