| Kono Aozora ni Yakusoku o - Melody of the Sun and Sea | 2007 | ps2 |
| Kono Aozora ni Yakusoku o - Tenohira no Rakuen | 2009 | psp |
| Kono Bushitsu wa Kitaku Shinai Bu ga Senkyo Shimashita. Portable - Gakuen Dog Ear Hen | 2012 | psp |
| Kono Bushitsu wa Kitaku Shinai Bu ga Senkyo Shimashita. Portable - Gakuen Summer Wars-hen | 2012 | psp |
| Kono Hareta Sora no Shita de - Under the Blue Sky | 2005 | ps2 |
| Kono Oozora ni, Tsubasa o Hirogete - Cruise Sign | 2014 | ps3 |
| Kono Uta ga Owattara - When This Song is Over | 2014 | vita |
| KonoSuba: God's Blessing on this Wonderful World! Love for this Tempting Attire | 2020 | switch |
| Konohana - True Report | 2001 | dreamcast |
| Konohana - TrueReport | 2001 | ps1 |
| Konohana 2 - Todokanai Requiem | 2002 | dreamcast, ps2 |
| Konohana 3 - Itsuwari no Kage no Mukou ni | 2003 | ps2 |
| Korgan | 2018 | xboxone |
| Koroshiya to Strawberry | 2018 | vita |
| Kotodama: The 7 Mysteries of Fujisawa | 2019 | ps4, switch |
| Kouenji Joshi Soccer | 2006 | ps2 |
| Koukidou Gensou - Gunparade March | 2000 | ps1 |
| Kouni Shougun | 2000 | ps1 |
| Kouyasai - A Sherd of Youthful Memories | 1999 | ps1 |
| Kowloon Youma Gakuenki | 2004 | ps2 |
| Kowloon Youma Gakuenki re-charge | 2006 | ps2 |
| Kowloon's Gate | 1997 | ps1 |
| Kowloon's Gate - Kowloon Fuusuiden | 1997 | ps1 |
| Kowloon's Rhizome: A Day of the Fire | | ps4 |
| Kud Wafter - Converted Edition | 2013 | psp, vita |
| Kujaku Ou | 1988 | nes |
| Kujaku Ou | 1988 | sms |
| Kujaku Ou II | 1990 | nes |
| Kujiragami no Tearstilla | 2016 | vita |
| KukkoroDays | 2020 | switch |
| Kunoichi Torimonochou | 1999 | ps1 |
| Kunoichi Torimonochou | 1998 | saturn |
| Kuon no Kizuna | 1998 | ps1 |
| Kuon no Kizuna - Sairinshou | 2000 | dreamcast |
| Kuon no Kizuna - Sairinshou | 2007 | ps2 |
| Kuon no Kizuna - Sairinshou Portable | 2011 | psp |
| Kurayami no Hate de Kimi o Matsu | 2009 | nds |
| Kurenai no Homura - Sanada Ninpou Chou | | vita |
| Kuro no Danshou - The Literary Fragment | 1997 | saturn |
| Kuro no Juusan | 1996 | ps1 |
| Kurohyou - Ryu ga Gotoku Shinshou | 2010 | psp |
| Kurohyou 2 - Ryu ga Gotoku Ashura Hen | 2012 | psp |
| Kuroshitsuji - Phantom & Ghost | 2009 | nds |
| Kuroyukihime - Snow Black | 2014 | psp |
| Kuroyukihime - Snow Magic | 2014 | psp |
| Kurumi Miracle | 1997 | ps1 |
| Kyokugen Dasshutsu ADV - Zennin Shiboudesu | 2012 | 3ds |
| Kyoto Hana no Misshitsu Satsujin Jiken | 1989 | nes |
| Kyoto Ryuu no Tera Satsujin Jiken | 1987 | nes |
| Kyou kara Maou! Hajimari no Tabi | 2006 | ps2 |
| Kyou kara Maou! Shin Makoku no Kyuujitsu | 2007 | ps2 |
| Kyoufu Shinbun | 1996 | ps1 |
| Kyoufu Shinbun Heisei-ban - Kaiki! Shinrei File | 2003 | ps2 |
| Kyuuketsu Kitan Moonties | 2008 | ps2 |
| Kyuuketsu-hime Yui - Sen'yashou | 2003 | ps2 |
| L no Kisetsu - A Piece of Memories | 1999 | ps1 |
| L no Kisetsu - Double Pocket | 2009 | psp |
| L no Kisetsu 2 - Invisible Memories | 2008 | ps2 |
| L'Affaire Morlov | 1996 | cdi |
| L'Amerzone | 1999 | ps1 |
| L'Isola dei Famosi | 2010 | nds |
| L.G.S - Shinsetsu Houshin Engi | 2012 | psp |
| L.O.L. Surprise! Movie Night | 2021 | switch |
| L2 - Love x Loop | 2009 | ps2 |
| L@ve Once | 2010 | psp |
| LEGO Island 2 - The Brickster's Revenge | 2001 | gbc |
| LEGO Legends of Chima - Laval's Journey - Update 1.1 | 2013 | 3ds |
| LEGO Ninjago - The Videogame | 2011 | nds |
| LEGO Piraty Karibskogo morya - Videoigra | 2011 | psp |
| LSD - Dream Emulator | 1998 | ps1 |
| La Carte au Tresor - Le Jeu Video Officiel | 2004 | nds |
| La Cite des Enfants Perdus | 1997 | ps1 |
| La Ciudad de los Ninos Perdidos | 1997 | ps1 |
| La Fuga de Monkey Island | 2001 | ps2 |
| La Gang del Bosco | | gba |
| Labyrinth | 1987 | nes |
| Labyrinth Legends | 2012 | ps3 |
| The Labyrinth of Time | 1994 | cd32 |
| Lady Maid | 2002 | ps1 |
| Laid-Back Camp -Virtual- Fumoto Campsite | 2021 | ps4, switch |
| Laid-Back Camp -Virtual- Lake Motosu | 2021 | ps4, switch |
| Laid-Back Camp: Have a Nice Day! | 2021 | ps4, switch |
| Lair of the Clockwork God | 2020 | ps4, switch |
| LairLand Story - Shoujo no Yakujou | | psp |
| Lake | 2024 | switch |
| Lake Ridden | 2020 | xboxone |
| The Language of Love | 2020 | ps4, switch, xboxone |
| Largo Winch - Empire Under Threat | 2002 | gc, ps2, xbox |
| Larry and the Long Look for a Luscious Lover | 2014 | nes |
| Laser Soft Visual Collection Vol. 1 - Cosmic Fantasy Visual-shuu | 1993 | pcengine |
| Laser Soft Visual Collection Vol. 2 - Valis Visual-shuu | 1993 | pcengine |
| Lassie | 2007 | ps2 |
| Last Alive | 2001 | wsc |
| The Last Bounty Hunter | 1994 | 3do, arcade, cdi |
| Last Bullet | 2009 | nds |
| The Last Campfire | 2020 | ps4, switch, xboxone |
| The Last Cube | 2022 | ps4, switch, xboxone |
| Last Day of June | 2017 | ps4, switch |
| The Last Door | 2019 | ps4, switch, xboxone |
| Last Escort - Club Katze | 2010 | ps2 |