| Kakuto Chojin | 2002 | xbox |
| Kakutou Denshou - F-Cup Maniax | 1999 | n64 |
| Kakutou Haou Densetsu - Algunos | 1994 | pcengine |
| Kamen Rider | 1998 | ps1 |
| Kamen Rider - Climax Heroes W | 2009 | wii |
| Kamen Rider - Dragon Knight | 2009 | nds, wii |
| Kamen Rider - Super Climax Heroes | 2012 | psp, wii |
| Kamen Rider 555 | 2003 | ps2 |
| Kamen Rider Agito | 2001 | ps1 |
| Kamen Rider Climax Heroes Fourze | 2011 | psp, wii |
| Kamen Rider Kuuga | 2000 | ps1 |
| Kamen Rider Ryuuki | 2002 | ps1 |
| Kamen Rider: Climax Fighters | 2017 | ps4 |
| Kamen Rider: Climax Scramble Zi-O | 2018 | switch |
| Karate Champ | 1984 | arcade, fds, nes |
| Karate Champ: Player Vs Player | 1984 | arcade |
| Karate Dou | 1984 | arcade |
| Karate Phants - Gloves of Glory | 2009 | wii |
| The Karate Tournament | 1992 | arcade |
| Karateka | 2012 | ps3, xbox360 |
| Karnov's Revenge | 2010 | wii |
| Karnov's Revenge / Fighter's History Dynamite | 1994 | arcade |
| Kart Fighter | 1994 | nes |
| Katekyoo Hitman Reborn! Battle Arena | 2008 | psp |
| Katekyoo Hitman Reborn! Battle Arena 2 - Spirits Burst | 2009 | psp |
| Katekyoo Hitman Reborn! DS - Flame Rumble - Kaien Ring Soudatsusen! | 2007 | nds |
| Katekyoo Hitman Reborn! DS - Flame Rumble Hyper - Moeyo Mirai | 2008 | nds |
| Katekyoo Hitman Reborn! DS - Flame Rumble X - Mirai Chou Bakuhatsu!! | 2009 | nds |
| Katekyoo Hitman Reborn! DS - Flame Rumble XX - Chou Kessen! Real 6 Chouka | 2010 | nds |
| Katekyoo Hitman Reborn! Dream Hyper Battle! Shinu Ki no Honoo to Kuroki Kioku | 2007 | ps2 |
| Katekyoo Hitman Reborn! Dream Hyper Battle! Wii | 2008 | wii |
| Katekyoo Hitman Reborn! Kizuna no Tag Battle | 2010 | psp |
| Kekkaishi - Karasumori Ayakashi Kidan | 2007 | nds |
| Kekkaishi - Kokubourou Shuurai | 2008 | nds |
| Ken Sei Mogura: Street Fighter II | 1994 | arcade |
| Ken-Go | 1991 | arcade |
| Kengo - Legend of the 9 | 2007 | xbox360 |
| Kengo - Master of Bushido | 2001 | ps2 |
| Kengo Zero | 2007 | xbox360 |
| Kengou | 2000 | ps2 |
| Kengou 3 | 2004 | ps2 |
| Kenka Banchou 6 - Soul & Blood | 2015 | 3ds |
| Kenkaku Ibunroku - Yomigaerishi Souku no Yaiba - Samurai Spirits Shinshou | 2000 | ps1 |
| Kensei - Sacred Fist | 1998 | ps1 |
| Kensetsu Juuki Kenka Battle - Buchigire Kongou!! | 2000 | ps2 |
| Kentoushi - Furi Furi Boxing | 2009 | wii |
| Kettou Transformers Beast Wars - Beast Senshi Saikyou Ketteisen | 1999 | gbc |
| The Key Of Avalon - The Wizard Master | 2003 | arcade |
| The Key Of Avalon 1.2 - Summon The New Monsters | 2004 | arcade |
| The Key Of Avalon 1.3 - Chaotic Sabbat | 2004 | arcade |
| The Key Of Avalon 2.0 - Eutaxy and Commandment | 2004 | arcade |
| The Key Of Avalon 2.5 - War of the Key | 2005 | arcade |
| The Kick Boxing | 1993 | gb, genesis |
| The Kick Boxing | 1992 | pcengine |
| Kick-Ass 2 | 2014 | ps3, xbox360 |
| Kickboxing | 2002 | ps1 |
| Kickboxing Knockout | 2003 | ps1 |
| Kidou Butouden G Gundam | 1994 | snes |
| Kidou Senshi Gundam - Extreme Vs | 2011 | ps3 |
| Kidou Senshi Gundam - Extreme Vs. Full Boost | 2014 | ps3 |
| Kidou Senshi Gundam - Renpou vs. Zeon DX | 2001 | ps2 |
| Kidou Senshi Gundam SEED Destiny | 2004 | gba |
| Kidou Senshi V Gundam | 1994 | snes |
| Kill la Kill: If | 2019 | ps4, switch |
| Killer Instinct | 2013 | xboxone |
| Killer Instinct 2 | 1996 | arcade |
| Killer Instinct Gold | 1996 | n64 |
| The Killing Blade | 1998 | arcade |
| The Killing Blade / Ao Jian Kuang Dao | 1998 | arcade |
| The Killing Blade Plus / Ao Jian Kuang Dao Jiaqiang Ban | 2005 | arcade |
| Killing Zone | 1996 | ps1 |
| Kinect Sports Gems - Boxing Fight | 2013 | xbox360 |
| The King of Boxing | 1995 | saturn |
| The King of Fighters '94 | 1994 | arcade, neogeo, neogeocd |
| The King of Fighters '94 | 2010 | psp |
| The King of Fighters '94 | 2008 | wii |
| The King of Fighters '94 | 2024 | arcade |
| The King of Fighters '94 - Re-Bout | 2004 | ps2 |
| The King of Fighters '95 | 1995 | arcade, gb, neogeo, neogeocd, ps1 |
| The King of Fighters '95 | 2011 | psp |
| The King of Fighters '95 | 1996 | saturn |
| The King of Fighters '95 | 2010 | wii |
| The King of Fighters '95 | 2018 | arcade |
| The King of Fighters '96 | 1996 | arcade, neogeo, neogeocd, ps1 |
| The King of Fighters '96 | 2011 | psp, wii |
| The King of Fighters '96 | 2008 | arcade |
| The King of Fighters '97 | 1997 | arcade, neogeo, neogeocd, ps1 |
| The King of Fighters '97 | 1998 | saturn |
| The King of Fighters '97 | 2012 | wii |
| The King of Fighters '97 | 2023 | arcade |
| The King of Fighters '97 Chongchu Jianghu Plus 2003 | 1997 | arcade |
| The King of Fighters '97 Global Match | 2018 | ps4, vita |
| The King of Fighters '97 Plus | 1997 | arcade |
| The King of Fighters '98 | 2013 | wii |
| The King of Fighters '98 - Dream Match Never Ends | 1999 | ps1 |
| King of Fighters '98 - Dream Match Never Ends | 2023 | arcade |
| The King of Fighters '98 - The Slugfest / King of Fighters '98 - Dream Match Never Ends | 1998 | arcade, neogeo |
| The King of Fighters '98 - The Slugfest / King of Fighters '98 - Dream Match Never Ends | 2020 | arcade |
| The King of Fighters '98: Ultimate Match | 2008 | arcade, ps2, xbox360 |
| The King of Fighters '98: Ultimate Match HERO | 2009 | arcade |