SPS
From Game Developer Research Institute
Dreamcast
- Kitahei Gold (JP Publisher: NetVillage)
FM-7
- Re Birth (JP Publisher: SPS)
- Planning, Design: ? (according to back of box)
- The Return of Ishtar (JP Publisher: SPS)
Game Boy
- Hon Shogi (JP Publisher: Imagineer)
Mega Drive/Genesis
- King of the Monsters (US Publisher: Takara; EU/AU/JP/AS Publisher: Sega; KR Publisher: Samsung)
- Sound: T's Music?
- Ransei no Hasha (JP Publisher: Asmik)
MSX2
- Polar Star II: Wilvidow (unreleased) (SPS)
Multiple Platforms (Computers and Word Processors)
TODO: Sort out versions at a later date
- Ganbare Pentan (JP Publisher: SPS)
- Kitaihei (JP Publisher: SPS)
- Polar Star II (JP Publisher: SPS)
PC-88
- Gruppe (JP Publisher: SPS)
- Re Birth (JP Publisher: SPS)
- Planning, Design: ? (according to back of box)
- The Return of Ishtar (JP Publisher: SPS)
- Tonky (JP Publisher: SPS)
PC-98
- Re Birth (JP Publisher: SPS)
- Planning, Design: ? (according to back of box)
- The Return of Ishtar (JP Publisher: SPS)
PlayStation
- Ground Stroke / Power Serve 3D Tennis / Power Serve (JP Publisher: SPS; US/EU Publisher: Ocean)
- Graphics, Character Design, Packaging, etc.: Kovax [1]
PlayStation 2
- Atelier Marie + Elie: Salburg no Renkinjutsushi 1 * 2 (minigame programming) (JP Publisher: Gust)
- Developer: Quintet; Some Graphics: Tiny Art, Studio Rong, Atelier Rong, Studio Loft
- Technic Beat (JP Publisher: Arika; US Publisher: Mastiff)
Sharp MZ
- Gruppe (JP Publisher: SPS)
- Ohsho (JP Publisher: SPS)
- Tonky (JP Publisher: SPS)
Sharp X1
- Gruppe (JP Publisher: SPS)
- Harry Fox (JP Publisher: Micro Cabin)
- Jet Turbo Terminal [communication software] (JP Publisher: SPS)
- Ohsho (JP Publisher: SPS)
- The Return of Ishtar (JP Publisher: SPS)
- Tonky (JP Publisher: SPS)
Super Famicom/Super NES
- Barbarossa (JP Publisher: Sammy)
- Mega-Lo-Mania: Jikuu Daisenryaku / Mega-Lo-Mania (JP/EU Publisher: Imagineer)
Windows
- Battle Kitahei (JP Publisher: SPS)
- Battle Kitahei Server Pack (JP Publisher: SPS)
- Guilty Gear XX #Reload / Guilty Gear X2 #Reload (JP Publisher: MediaKite; EU Publisher: ZOO Digital Publishing)
- Internet Mahjong: Jyanpei (JP Publisher: NetVillage)
- Internet News Mail Gateway INMG [download] (JP Publisher: SPS)
- Internet Shogi: Kitaihei (JP Publisher: NetVillage)
- Jyanpei [download] (JP Publisher: SPS)
- Kitahei [download] (JP Publisher: SPS)
- Kitahei for Windows 95 (JP Publisher: SPS)
- Kitahei Gold for Windows 95/98 (JP Publisher: NetVillage)
- Le Flat [download] (JP Publisher: SPS)
X68000
- A-Jax (JP Publisher: Konami)
- Arkanoid (JP Publisher: Sharp)
- Bonanza Bros. (JP Publisher: Sharp)
- Chuuka Taisen (JP Publisher: Sharp)
- Cueb Runner (JP Publisher: SPS)
- Cyber Core (JP Publisher: SPS)
- Developer: Alfa System
- Dash Yarou (JP Publisher: Sharp)
- Death Brade (JP Publisher: SPS)
- Downtown Nekketsu Monogatari (JP Publisher: Sharp)
- Dragon Slayer: Eiyuu Densetsu (JP Publisher: SPS)
- The Fairyland Story (JP Publisher: SPS)
- Developer?: OeRSTED
- Full Throttle (JP Publisher: Sharp)
- Gradius (JP Publisher: Sharp)
- HOST3 Pro-68K [communication software] (JP Publisher: SPS)
- HOST9 Pro-68K [communication software] (JP Publisher: SPS)
- HOST Pro Personal [communication software] (JP Publisher: SPS)
- Janshin Quest (JP Publisher: SPS)
- Kitaihei 68K (JP Publisher: SPS)
- Märchen Maze (JP Publisher: SPS)
- Nekketsu Koukou Dodgeball-bu (JP Publisher: Sharp)
- Nekketsu Koukou Dodgeball-bu: Soccer-hen (JP Publisher: Sharp)
- Nemesis '90 Kai (JP Publisher: SPS)
- The NewZealand Story (JP Publisher: Sharp)
- Pac-Man (unreleased?) (Sharp)
- Pac-Mania (JP Publisher: Sharp)
- Pro Soccer 68 (JP Publisher: Imagineer)
- Pro Tennis World Court (JP Publisher: SPS)
- Pro Yakyuu World Stadium (JP Publisher: SPS)
- Puyo Puyo (JP Publisher: SPS)
- The Return of Ishtar (JP Publisher: SPS)
- Salamander (JP Publisher: Sharp)
- Super Hang-On (JP Publisher: Sharp)
- Syvalion (JP Publisher: Sharp)
- Terminoru 2 [communication software] (JP Publisher: SPS)
- Thunder Blade (JP Publisher: Sharp)
- TwinBee (JP Publisher: Sharp)
- V'Ball (JP Publisher: Sharp)