Helloween
From Game Developer Research Institute
(有限会社ハロウィン) Tetsushi Nakamura (中村鉄嗣) and Takashi Kouno (河野隆司) seem to have been the core of this group.
Research Methods: Actual mentions, shared staff
Game Boy Advance
- Sister Princess: Re Pure (some graphics?) (JP Publisher: Marvelous) [1]
Game Boy Color
- Animal Breeder 3 (graphics?) (JP Publisher: J-Wing)
- Developer: Rock's; Sound: M's Factory
- Dungeon Savior (graphics) (JP Publisher: J-Wing)
- Programming: Feathered; Sound: Pure Sound
- Goraku Ou Tango! (graphics?) (JP Publisher: J-Wing)
- Kawaii Pet Shop Monogatari 2 (some graphics?) (JP Publisher: Taito)
Mega Drive/Genesis
- The Flintstones (some planning? some graphics?) (US/JP Publisher: Taito; EU Publisher: Sega)
- Programming: Santos
PlayStation
- Fist (some graphics?) (JP Publisher: Imagineer)
- ?: Genki; Developer: CAPS; Sound: Studio Cliche
- Hajime no Ippo: The Fighting! (some graphics?) (JP Publisher: Kodansha)
- Developer: JAM; Some Music, Sound Effects: Pure Sound
- Marl Jong!! (graphics) (JP Publisher: Nippon Ichi Software)
- Developer: Studio Cliche; Sound: SAME Creative
- Option Tuning Car Battle 2 (some graphics) (JP Publisher: Jaleco)
- Developer: CAPS; Sound: Swym Standard Pro
- Option Tuning Car Battle Spec R (some graphics) (JP Publisher: MTO)
- Developer: CAPS
- Shutokou Battle / Tokyo Highway Battle (some graphics?) (JP Publisher: BPS; US/EU Publisher: Jaleco)
- ?: Genki; Developer: CAPS; Sound: T's Music
- Shutokou Battle Gaiden: Super Technic Challenge: Drift King e no Michi (some graphics?) (JP Publisher: Media Quest)
- Supervision: Genki; Developer: CAPS; Sound: Crescendo
- Ski Air Mix (JP Publisher: KID; EU Publisher: Midas)
- This was apparently going to be released by I'Max as Ski Battle.
Saturn
- Seifuku Densetsu: Pretty Fighter X (some graphics) (JP Publisher: Imagineer)
Super Famicom/Super NES
- Nishijin Pachinko Monogatari (some graphics?) (JP Publisher: KSS)
- Developer: POW; Sound Programming: OeRSTED
- Seifuku Densetsu Pretty Fighter (JP Publisher: Imagineer)
- Sound: Mint
