Office Koukan

Office Koukan Co., Ltd. (株式会社オフィス恒環) was headed by Kan Nishimoto (西本完). [1]

Research Methods: Actual mentions, online resources, shared staff

Famicom/NES

• Hokuto no Ken 4: Shichisei Hakenden: Hokuto Shinken no Kanata e (under subcontract with Shouei System) (JP Publisher: Toei Animation)

FM-7

• S.F.3.D Original Operation V (direction, programming, sound) (JP Publisher: Cross Media Soft)
• Yuunagi no Horizon (programming) (JP Publisher: Cross Media Soft)

FMR-50

• Yajiuma Pennant Race 2 (JP Publisher: Victor Musical Industries)

Game Boy

• Pocket Battle (JP Publisher: Sigma)

Macintosh

• Shock Price 500: Crossword Puzzle (JP Publisher: SME Intermedia)

?: Most Music [2]

• Shock Price 500: Daifugou (JP Publisher: SME Intermedia) [3]

?: Most Music

NEC Digital Book

• Mahjong Kaidou (JP Publisher: Media Link System)
• Mahjong Koujitsu (JP Publisher: NEC Media)

PC Engine CD/TurboGrafx-CD

• Auto Crusher Palladium (JP Publisher: Pack-In-Video)

Sound Direction: Gingham Soft

• Where in the World is Carmen Sandiego? (JP Publisher: Pack-In-Video)

PC-88

• Fortress (JP Publisher: Cross Media Soft)
• Nankai no Hyouteki (JP Publisher: Bear's)
• Musium 2 (some programming) (JP Publisher: Cross Media Soft)
• Musium Sound Board II (programming) (JP Publisher: Cross Media Soft)
• Outlanders (programming) (JP Publisher: Cross Media Soft)
• S.F.3.D Original Operation V (direction, programming, sound) (JP Publisher: Cross Media Soft)
• Star Symphony (programming) (JP Publisher: Cross Media Soft)
• Venus Fire (programming) (JP Publisher: Cross Media Soft)
• Yajiuma Pennant Race 2 (JP Publisher: Cross Media Soft)
• Yuunagi no Horizon (programming) (JP Publisher: Cross Media Soft)

PC-98

• Battle Chess (JP Publisher: Pack-In-Video)
• Daiyuugen (JP Publisher: Office Koukan)
• Hustler 2055 (JP Publisher: Pack-In-Video)
• Mankai Denshoku (JP Publisher: Victor Musical Industries)
• Mankai Denshoku II (JP Publisher: Victor Musical Industries)
• Mankai Denshoku III (JP Publisher: Victor Musical Industries)
• Mole Mole 2 (programming) (JP Publisher: Cross Media Soft) [4]
• Musium 3: Expert (programming, graphics) (JP Publisher: Cross Media Soft)
• Musium 4: Play (programming) (JP Publisher: Cross Media Soft)
• Musium 4: Sound (programming) (JP Publisher: Cross Media Soft)

Sound: Mecano Associates

• Pachinko Tenshi (JP Publisher: Pack-In-Video)
• Yajiuma Pennant Race: 12 Kyuudan-hen (programming, some graphics) (JP Publisher: Cross Media Soft)
• Yajiuma Pennant Race 2 (JP Publisher: Victor Musical Industries)

Sharp X1

• Musium X1 (programming, graphics) (JP Publisher: Cross Media Soft)

Programming, Graphics: Ishibashi Office

• Nankai no Hyouteki (JP Publisher: Bear's)
• S.F.3.D Original Operation V (direction, programming, sound) (JP Publisher: Cross Media Soft)

Super Famicom/Super NES

• Battle Submarine (JP Publisher: Pack-In-Video)
• Heiwa Pachinko World (JP Publisher: Shouei System)
• Heiwa Pachinko World 2 (JP Publisher: Shouei System)
• Heiwa Pachinko World 3 (JP Publisher: Shouei System)
• Hokuto no Ken 7: Seiken Retsuden: Denshousha e no Michi (under subcontract with Shouei System) (JP Publisher: Toei Animation)
• Idea no Hi (JP Publisher: Shouei System)
• Maka Maka (JP Publisher: Sigma)
• Matsumura Kunihiro Den: Saikyou no Rekishi o Nurikaeru! (JP Publisher: Shouei System)
• Super Jangou (programming, some graphics) (JP Publisher: Victor Entertainment)

Some Graphics: Ocarina System

Windows

• Challenge Price 398 Series: Mahjong (JP Publisher: Magnolia)
• Challenge Price 498: Mahjong (JP Publisher: Magnolia)
• Click Crossword (JP Publisher: Marvelous Entertainment) [5]
• Family Hanafuda: Hyaku Nin Ichi Shu (JP Publisher: Magnolia)
• Family Hanafuda: Hyaku Nin Ichi Shu 2 (JP Publisher: Magnolia)
• Family Mahjong Kyoushitsu (JP Publisher: Magnolia)
• Family Trump (JP Publisher: Magnolia)
• Family Trump 2 (JP Publisher: Magnolia)
• Family Tsumeshogi Kyoushitsu (co-developed with Silver Star Japan?) (JP Publisher: Magnolia)
• Mankai Denshoku: Shinsou Kaiten (JP Publisher: Victor)

All Graphic Data Creation: Kouyousha

• Nihon no Tsuri: Nagaragawa-hen (JP Publisher: Pack-In-Video)
• Nihon no Tsuri Series: Iso Tsuri: Izu Shotou-hen (JP Publisher: Pack-In-Video)
• Ohiruyasumi no Tame no Crossword Puzzle (JP Publisher: Itochu)
• Ohiruyasumi no Tame no Trump Game (JP Publisher: Itochu)
• Otou-san no Tame no Hanafuda (JP Publisher: Unbalance)
• Otou-san no Tame no Tsuri: Kawa Tsuri-hen (JP Publisher: Unbalance)
• Otou-san no Tame no Tsuri: Keiryuu-hen (JP Publisher: Unbalance)
• Shock Price 500: Crossword Puzzle (JP Publisher: SME Intermedia)

?: Most Music [6]

• Shock Price 500: Daifugou (JP Publisher: SME Intermedia) [7]

?: Most Music

• Super Hanafuda (JP Publisher: MediaKite)
• Super Trump (JP Publisher: MediaKite)
• Value Mahjong Nyuumon (JP Publisher: Magnolia)

X68000

• Mankai Denshoku (JP Publisher: Victor Musical Industries)
• Yajiuma Pennant Race (programming) (JP Publisher: Cross Media Soft) [8]
• Zenkai Denshoku (JP Publisher: Victor Musical Industries)

Links

• Official website (Internet Archive Wayback Machine) (Japanese)
• "Kolmu"'s works list (former Office Koukan programmer) (Internet Archive Wayback Machine) (Japanese)
• "HARA.DAT"'s profile (former Office Koukan programmer) (Internet Archive Wayback Machine) (Japanese)