| Kessen | 2000 | ps2 |
| Kessen II | 2001 | ps2 |
| Kessen III | 2004 | ps2 |
| Kidou Senshi Gundam - Cross Dimension 0079 | 1995 | snes |
| Kidou Senshi Gundam - Gihren no Yabou | 1998 | saturn |
| Kidou Senshi Gundam - Gihren no Yabou - Axis no Kyoui | 2008 | psp |
| Kidou Senshi Gundam - Gihren no Yabou - Axis no Kyoui V | 2009 | ps2, psp |
| Kidou Senshi Gundam - Gihren no Yabou - Kouryaku Shireisho | 1998 | saturn |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon Dokuritsu Sensouki - Kouryaku Shireisho | 2003 | ps2 |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon no Keifu | 2000 | dreamcast, ps1 |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon no Keifu | 2005 | psp |
| Kidou Senshi Gundam - Gihren no Yabou - Zeon no Keifu - Kouryaku Shireisho | 2000 | ps1 |
| Kidou Senshi Gundam - Giren no Yabou - Tokubetsu Hen - Aoki Hoshi no Hasha | 2003 | wsc |
| Kidou Senshi Gundam - Mokuba no Kiseki | 2012 | psp |
| Kidou Senshi Gundam - Senjou no Kizuna Portable | 2009 | psp |
| Kidou Senshi Gundam - Shin Gihren no Yabou | 2011 | psp |
| Kidou Senshi Gundam F91 - Formula Senki 0122 | 1991 | snes |
| Kidou Senshi Gundam Vol. 1 - Side 7 | 2001 | wsc |
| Kidou Senshi Gundam Vol. 2 - Jaburo | 2001 | wsc |
| Kidou Senshi Gundam Vol. 3 - A Baoa Qu | 2002 | wsc |
| Kids Station - Kamen Rider Heroes | 2002 | ps1 |
| Kikou Keisatsu Metal Jack | 1992 | gb |
| Kikou Souhei Armodyne | 2007 | ps2 |
| Kilari - Deviens une Star | 2004 | nds |
| Kill the Bad Guy | 2017 | xboxone |
| Killer Queen Black | 2019 | switch |
| King Arthur's World | 1993 | snes |
| King of Kings | 1988 | nes |
| King of Parlor 2 | 1998 | ps1 |
| King's Guard TD | 2018 | xboxone |
| Kingdom Crusade | 1992 | gb |
| Kingdom Rush: Frontiers | 2020 | switch |
| Kiniro no Corda | | psp |
| Kinkoumyaku Tansa Simulation - Ingot 79 | 2002 | ps2 |
| Kishi Densetsu | 1993 | genesis |
| Kishin Douji Zenki - Tenchi Meidou | 1996 | snes |
| Kiss x Kiss - Seirei Gakuen | 2004 | gba |
| Klax | 1990 | a2600, a7800, genesis, gg, lynx, nes, pcengine, sms |
| Klax | 1999 | gbc |
| Knights in the Nightmare | 2008 | nds, psp |
| Kochira Katsushika-ku Kameari Kouen-mae Hashutsujo - High-Tech Buil Shinkou Soshi Sakusen! no Maki | 1997 | ps1 |
| Kodawari Saihai Simulation - Ochanoma Pro Yakyuu DS | 2009 | nds |
| Koinu to Issho 2 | 2004 | gba |
| Konchuu Hakase | 1998 | gb |
| Konchuu Hakase 3 | 2001 | gbc |
| Konjiki no Gashbell!! The Card Battle for GBA | 2005 | gba |
| Konpeki no Kantai | 1995 | 3do, pcfx, snes |
| Koori no Haka - Ichiyanagi Nagomu, 3-dome no Junan | | psp |
| Kouchuu Ouja Mushiking - Greatest Champion e no Michi | 2005 | gba |
| Koukyaku Kikou Shidan - Bein Panzer | 2000 | ps1 |
| Kouryuu Sangoku Engi | 1996 | ps1 |
| Kouryuu Sangoku Engi | 1996 | saturn |
| Kouryuuki | 1998 | ps1 |
| Kouryuuki | 1994 | snes |
| Koutetsu no Kishi | 1993 | snes |
| Koutetsu no Kishi 2 - Sabaku no Rommel Gundan | 1994 | snes |
| Koutetsu no Kishi 3 - Gekitotsu Europe Sensen | 1995 | snes |
| Krinkle Krusher | 2015 | ps3, ps4, vita, xboxone |
| Kuroi Hitomi no Noir - Cielgris Fantasm | 1999 | ps1 |
| Kuubo Senki | 1999 | ps1 |
| L'Empereur | 1991 | nes |
| LEGO Battles | 2004 | nds |
| LMA Manager | 1999 | ps1 |
| LMA Manager 2002 | 2001 | ps1 |
| La Pucelle - Ragnarok | 2009 | psp |
| Lady Phantom | 1991 | pcengine |
| Land Battle | 1982 | intv |
| Langrisser | 1991 | genesis |
| Langrisser Millennium | 1999 | dreamcast |
| League of Legends: Wild Rift | | ps4 |
| The Legend of Prince Valiant | 1992 | gb |
| Legends of War - Patton | 2013 | vita |
| Legends of War - Patton's Campaign | 2010 | psp |
| Lemmings | 1991 | 3do, cdi, gb, genesis, gg, lynx, nes, pcengine, sms, snes |
| Lemmings 2 - The Tribes | 1994 | gg |
| Let's Make a Soccer Team! | 2006 | ps2 |
| Liberty or Death | 1994 | genesis, snes |
| Lies of Astaroth | 2015 | xboxone |
| Liight | 2011 | wii |
| Line of Defense Tactics | 2015 | xboxone |
| Lionel Trains - On Track | 2006 | nds |
| Little Master - Raikuban no Densetsu | 1991 | gb |
| Little Master 2 - Raikou no Kishi | 1992 | gb |
| Little Tournament Over Yonder | 2009 | wii |
| Littlest Pet Shop | 2008 | wii |
| Livly Garden | 2010 | nds |
| Lock's Quest | 2004 | nds |
| Lock's Quest | 2017 | ps4, xboxone |
| Lodoss-tou Senki | 1995 | snes |
| London Blitz | 1983 | a2600 |
| Loopz | 2004 | lynx |
| Lord Monarch | 1992 | snes |
| Lord Monarch - Shin Gaia Oukokuki | 1998 | ps1 |
| Lord Monarch - Tokoton Sentou Densetsu | 1994 | genesis |
| Lord of Wars | 1991 | pcengine |
| The Lord of the Rings - Tactics | 2005 | psp |
| The Lord of the Rings - The Battle for Middle-Earth II | 2006 | xbox360 |
| Lords of the Rising Sun | 1992 | cdi, pcengine |
| Lornsword Winter Chronicle | 2019 | ps4, xboxone |
| Lost Artifacts: Soulstone | 2019 | xboxone |