Koei
Games developed
- Romance of the Three Kingdoms XIV2020
- Romance of the Three Kingdoms XII2018Romance of the Three Kingdoms XII
- Romance of the Three Kingdoms XIII2016
- Fist of the North Star: Ken's Rage 22012Fist of the North Star: Ken's Rage 2
- Champion Jockey: G1 Jockey & Gallop Racer2011
- Dynasty Warriors: Gundam 32010Dynasty Warriors: Gundam 3
- Musou Orochi Z2009
- Monster Racers2009Monster Racers
- Dynasty Warriors: Gundam 22008Dynasty Warriors: Gundam 2
- Prey the Stars2008Prey the Stars
- Pop Cutie! Street Fashion Simulation2008Pop Cutie! Street Fashion Simulation
- Warriors Orochi 22008Warriors Orochi 2
- Winning Post 7 Maximum 20082008Winning Post 7 Maximum 2008
- Sangokushi Online2008Sangokushi Online
- G1 Jockey 4 20072007G1 Jockey 4 2007
- Fatal Inertia2007Fatal Inertia
- Dynasty Warriors DS: Fighter's Battle2007Dynasty Warriors DS: Fighter's Battle
- Winning Post 7 Maximum 20072007Winning Post 7 Maximum 2007
- Warriors Orochi2007Warriors Orochi
- La Corda d'Oro 22007La Corda d'Oro 2
- Dynasty Warriors: Gundam2007Dynasty Warriors: Gundam
- Mahjong Taikai Wii2007Mahjong Taikai Wii
- Uncharted Waters Online2007
- Mahjong Wii2007Mahjong Wii
- Romance of the Three Kingdoms XI2006
- Samurai Warriors 22006Samurai Warriors 2
- Naval Ops: Warship Gunner 22006Naval Ops: Warship Gunner 2
- G1 Jockey 42005
- Romance of the Three Kingdoms X2004
- La Corda d'Oro2003La Corda d'Oro
- Romance of the Three Kingdoms IX2003Romance of the Three Kingdoms IX
- Crimson Sea2002Crimson Sea
- Sangokushi Battlefield2002Sangokushi Battlefield
- Mystic Heroes2002Mystic Heroes
- Romance of the Three Kingdoms V2001Romance of the Three Kingdoms V
- Romance of the Three Kingdoms VIII2001Romance of the Three Kingdoms VIII
- Gitaroo Man2001Gitaroo Man
- Kessen II2001Kessen II
- Winning Post 22001Winning Post 2
- Romance of the Three Kingdoms VI: Awakening of the Dragon2000Romance of the Three Kingdoms VI: Awakening of the Dragon
- Kessen2000Kessen
- Romance of the Three Kingdoms VII2000Romance of the Three Kingdoms VII
- Nanatsu no Hikan: Senritsu no Bishou2000Nanatsu no Hikan: Senritsu no Bishou
- Angelique Trois2000Angelique Trois
- Saiyuki: Journey West1999
- Sangokushi Sousouden1998Sangokushi Sousouden
- Destrega1998Destrega
- Söldnerschild1997Söldnerschild
- Sangokushi Koumeiden1996Sangokushi Koumeiden
- Fushigi no Kuni no Angelique1996Fushigi no Kuni no Angelique
- Romance of the Three Kingdoms IV: Wall of Fire1994Romance of the Three Kingdoms IV: Wall of Fire
- Emit1994Emit
- Liberty or Death1994Liberty or Death
- P.T.O. II1994P.T.O. II
- Uncharted Waters II: New Horizons1994Uncharted Waters II: New Horizons
- Aerobiz Supersonic1993Aerobiz Supersonic
- Operation Europe: Path to Victory1993Operation Europe: Path to Victory
- Rise of the Phoenix1993Rise of the Phoenix
- Winning Post1993Winning Post
- Genghis Khan II: Clan of the Gray Wolf1992Genghis Khan II: Clan of the Gray Wolf
- Romance of the Three Kingdoms III: Dragon of Destiny1992Romance of the Three Kingdoms III: Dragon of Destiny
- Aerobiz1992Aerobiz
- Taiko Risshiden1992Taiko Risshiden
- Nobunaga's Ambition: Haouden1992Nobunaga's Ambition: Haouden
- Gemfire1991Gemfire
- L'Empereur1991L'Empereur
- Inindo: Way of the Ninja1991Inindo: Way of the Ninja
- Top Management1990Top Management
- Uncharted Waters1990Uncharted Waters
- Nobunaga's Ambition: Bushou Fuunroku1990Nobunaga's Ambition: Bushou Fuunroku
- Romance of the Three Kingdoms II1989Romance of the Three Kingdoms II
- Bandit Kings of Ancient China1989Bandit Kings of Ancient China
- P.T.O.1989P.T.O.
- Nobunaga's Ambition II1988Nobunaga's Ambition II
- Genghis Khan1987
- Romance of the Three Kingdoms1986Romance of the Three Kingdoms
- Aoki Ōkami to Shiroki Mejika1985Aoki Ōkami to Shiroki Mejika
- Night Life1982Night Life
- Genghis Khan: Aoki Ookami to Shiroki Mejika IVGenghis Khan: Aoki Ookami to Shiroki Mejika IV
- Ishin no ArashiIshin no Arashi
- Super Mahjong TaikaiSuper Mahjong Taikai
- Ishin no Arashi: Bakumatsu ShishidenIshin no Arashi: Bakumatsu Shishiden
Games published
- Romance of the Three Kingdoms XII2018Romance of the Three Kingdoms XII
- Samurai Warriors 42014Samurai Warriors 4
- Dynasty Warriors Next2011Dynasty Warriors Next
- Dynasty Warriors: Strikeforce2009Dynasty Warriors: Strikeforce
- Monster Racers2009Monster Racers
- Prey the Stars2008Prey the Stars
- Harukanaru Toki no Naka de 42008Harukanaru Toki no Naka de 4
- Pop Cutie! Street Fashion Simulation2008Pop Cutie! Street Fashion Simulation
- Winning Post 7 Maximum 20082008Winning Post 7 Maximum 2008
- Sangokushi Online2008Sangokushi Online
- Neo Angelique2008Neo Angelique
- Dynasty Warriors 62007Dynasty Warriors 6
- G1 Jockey 4 20072007G1 Jockey 4 2007
- Fatal Inertia2007Fatal Inertia
- Samurai Warriors: Katana2007Samurai Warriors: Katana
- Bladestorm: The Hundred Years' War2007Bladestorm: The Hundred Years' War
- GrimGrimoire2007GrimGrimoire
- Dynasty Warriors DS: Fighter's Battle2007Dynasty Warriors DS: Fighter's Battle
- Winning Post 7 Maximum 20072007Winning Post 7 Maximum 2007
- Warriors Orochi2007Warriors Orochi
- La Corda d'Oro 22007La Corda d'Oro 2
- Mahjong Taikai Wii2007Mahjong Taikai Wii
- Uncharted Waters Online2007
- Mahjong Wii2007Mahjong Wii
- Harukanaru Toki no Naka de: Maihitoyo2006Harukanaru Toki no Naka de: Maihitoyo
- Persona 32006Persona 3
- WinBack 2: Project Poseidon2006
- Dynasty Warriors Vol. 22006Dynasty Warriors Vol. 2
- Romance of the Three Kingdoms XI2006
- Samurai Warriors 22006Samurai Warriors 2
- Disgaea 22006Disgaea 2
- Naval Ops: Warship Gunner 22006Naval Ops: Warship Gunner 2
- G1 Jockey 42005
- Harukanaru Toki no Naka de: Iroetebako2005Harukanaru Toki no Naka de: Iroetebako
- Makai Kingdom: Chronicles of the Sacred Tome2005Makai Kingdom: Chronicles of the Sacred Tome
- Dynasty Warriors 52005Dynasty Warriors 5
- Dynasty Warriors 5: Special2005Dynasty Warriors 5: Special
- Colosseum: Road to Freedom2005Colosseum: Road to Freedom
- Kessen III2004Kessen III
- Harukanaru Toki no Naka de 32004Harukanaru Toki no Naka de 3
- Dynasty Warriors2004Dynasty Warriors
- Romance of the Three Kingdoms X2004
- Samurai Warriors2004Samurai Warriors
- Angelique Etoile2003Angelique Etoile
- Istaria: Chronicles of the Gifted2003Istaria: Chronicles of the Gifted
- La Corda d'Oro2003La Corda d'Oro
- Dynasty Tactics 22003Dynasty Tactics 2
- Naval Ops: Warship Gunner2003Naval Ops: Warship Gunner
- Dynasty Warriors 42003
- Mystic Heroes2002Mystic Heroes
- P.T.O. IV2002P.T.O. IV
- Dynasty Tactics2002Dynasty Tactics
- Kurogane no Houkou 2: Warship Commander2002Kurogane no Houkou 2: Warship Commander
- Dynasty Warriors 32001Dynasty Warriors 3
- Harukanaru Toki no Naka de 22001Harukanaru Toki no Naka de 2
- Yanya Caballista: City Skater2001Yanya Caballista: City Skater
- Gitaroo Man2001Gitaroo Man
- Kessen II2001Kessen II
- Winning Post 22001Winning Post 2
- Dynasty Warriors 22000Dynasty Warriors 2
- Romance of the Three Kingdoms VI: Awakening of the Dragon2000Romance of the Three Kingdoms VI: Awakening of the Dragon
- Nanatsu no Hikan: Senritsu no Bishou2000Nanatsu no Hikan: Senritsu no Bishou
- Angelique Trois2000Angelique Trois
- Saiyuki: Journey West1999
- Operation WinBack1999Operation WinBack
- Sangokushi Internet1999Sangokushi Internet
- Sweet Ange1999Sweet Ange
- Sangokushi Sousouden1998Sangokushi Sousouden
- Enigma1998
- Dynasty Warriors1997Dynasty Warriors
- Mahjong 641997Mahjong 64
- Romance of the Three Kingdoms IV: Wall of Fire1994Romance of the Three Kingdoms IV: Wall of Fire
- Angelique1994Angelique
- Liberty or Death1994Liberty or Death
- Stop That Roach!1994Stop That Roach!
- Top Management II1994Top Management II
- Uncharted Waters II: New Horizons1994Uncharted Waters II: New Horizons
- Aerobiz Supersonic1993Aerobiz Supersonic
- Leading Company1993Leading Company
- Operation Europe: Path to Victory1993Operation Europe: Path to Victory
- Winning Post1993Winning Post
- Genghis Khan II: Clan of the Gray Wolf1992Genghis Khan II: Clan of the Gray Wolf
- Romance of the Three Kingdoms III: Dragon of Destiny1992Romance of the Three Kingdoms III: Dragon of Destiny
- Aerobiz1992Aerobiz
- Nobunaga's Ambition: Haouden1992Nobunaga's Ambition: Haouden
- Taiko Risshiden1992Taiko Risshiden
- Civilization1991
- Gemfire1991Gemfire
- L'Empereur1991L'Empereur
- Top Management1990Top Management
- Uncharted Waters1990Uncharted Waters
- Nobunaga's Ambition: Bushou Fuunroku1990Nobunaga's Ambition: Bushou Fuunroku
- Romance of the Three Kingdoms II1989Romance of the Three Kingdoms II
- Bandit Kings of Ancient China1989Bandit Kings of Ancient China
- Genghis Khan1987
- Romance of the Three Kingdoms1986Romance of the Three Kingdoms
- Aoki Ōkami to Shiroki Mejika1985Aoki Ōkami to Shiroki Mejika
- Night Life1982Night Life
- Genghis Khan: Aoki Ookami to Shiroki Mejika IVGenghis Khan: Aoki Ookami to Shiroki Mejika IV
- G1 Jockey 3
