Fupac
From Game Developer Research Institute
3DO
- Sotsugyou Final (programming) (JP Publisher: Shar Rock)
Arcade
- セーマトレイス (under Success) (Taito)
- Pachinko Sexy Reaction (some programming) (Sammy)
- Pachinko Sexy Reaction 2 (programming, sound) (Sammy)
Game Boy
- Star Sweep (programming, sound) (JP Publisher: Axela)
PC-98
- Akatsuki no Bizanteira (planning, programming, graphics, sound) (JP Publisher: ASCII)
PC-FX
- Choujin Heiki Zeroigar (some planning, programming, sound) (JP Publisher: NEC Home Electronics)
- Tonari no Princess Rolfee (some planning, programming, sound) (JP Publisher: NEC Home Electronics)
Pico
- いつでもいっしょドラえもん (some programming, some graphics, sound; under ECOS) (JP Publisher: Sega)
PlayStation
- Dekiru! Game Center (planning, programming, graphics, sound) (JP Publisher: Shoeisha)
- Dengeki Construction: Ochige Yarouze! (planning, programming, graphics, sound; under Datam Polystar) (JP Publisher: Media Works)
- Lup Salad (planning, programming, graphics, sound) (JP Publisher: Datam Polystar)
- Quantum Gate I: Akuma no Joshou (programming) (JP Publisher: GaGa Communications)
- Roommate: Inoue Ryouko (planning except scenario, programming, graphics except design, sound) (JP Publisher: Datam Polystar)
PlayStation Portable
- Lumines Plus (some programming) (US/EU Publisher: Buena Vista Games)
Saturn
- Denpa Shounen Teki Game (some programming; under Success) (JP Publisher: Hudson)
- Kidou Senkan Nadesico: Yappari Ai ga Katsu? (some programming, some graphics) (JP Publisher: Sega)
- Quantum Gate I: Akuma no Joshou (programming) (JP Publisher: GaGa Communications)
- Roommate: Inoue Ryouko (some planning, programming, graphics, sound) (JP Publisher: Datam Polystar)
- Ryouko no Oshaberi Room (planning, programming, some graphics, some sound) (JP Publisher: Datam Polystar)
Super Famicom/Super NES
- Gourmet Sentai Bara Yarou (programming, sound) (JP Publisher: Virgin)
- Keeper (programming) (JP Publisher: Datam Polystar)
- Sword Maniac / X-Kaliber 2097 (some programming) (JP Publisher: Toshiba EMI; US Publisher: Activision; EU Publisher: Sony Imagesoft)