| Koi no Summer Fantasy - in Miyazaki Seagaia | 1997 | saturn |
| Koinu-chan no Hajimete no Osanpo - Koinu no Kokoro Ikusei Game | 2003 | gba |
| Koko Hore! Pukka | 2000 | ps1 |
| Kokoro ga Uruou - Birei Aquarium DS - Kujira, Iruka, Penguin | 2007 | nds |
| Komotchi | 2001 | ps1 |
| Koneko mo Issho | 2000 | ps1 |
| Koufuku Sousakan | 2004 | ps2 |
| Koushien Pocket | 1999 | gbc |
| Kuma Tomo | 2013 | 3ds |
| Kumatanchi | 2004 | nds |
| Kupuu!! Mamegoma! | 2009 | nds |
| Kurogane no Houkou - Warship Commander | 2001 | ps2 |
| Kurogane no Houkou 2 - Warship Commander | 2004 | ps2 |
| Kurogane no Houkou 2 - Warship Gunner | 2003 | ps2 |
| Kuru Kuru Maru Maru | 2001 | ps1 |
| Kurutore eCDP | 2009 | nds |
| Kutsushita Nyanko - Shiroi Kutsushita o Haita Neko to Kurashi Hajimemashita | 2009 | nds |
| Kyaiin no Tanoshi Mail - PS. I Love You | 2000 | ps1 |
| Kyoto Maiko Monogatari | 2001 | ps1 |
| Kyousouba Ikusei Simulation - Derby Stallion | 1997 | ps1 |
| Kyousouba Ikusei Simulation - Derby Stallion 99 | 1999 | ps1 |
| Kyoutei Wars Makuru 6 | 2002 | ps1 |
| L.O.L. - Lack of Love | 2000 | dreamcast |
| LHX Attack Chopper | 1992 | genesis |
| LMA Manager 2003 | 2002 | ps2, xbox |
| LMA Manager 2004 | 2004 | ps2, xbox |
| LMA Manager 2005 | 2004 | ps2, xbox |
| LMA Manager 2007 | 2006 | ps2, xbox360 |
| La Fee Lili-Rose - La Magie des Fees | 2004 | nds |
| La Fee Lili-Rose 2 - Mon Monde Merveilleux | 2007 | nds |
| La Vie d'Emma - Super Star | 2004 | nds |
| Lalaloopsy | 2004 | nds |
| Land It! | 2016 | xboxone |
| Landit Bandit | 2010 | ps3 |
| Las Vegas Dream in Golden Paradise | 1993 | snes |
| Las Vegas Poker & Blackjack | 1979 | intv |
| Las Vegas Roulette | 1979 | intv |
| Last Escort - Shin'ya no Kokuchou Monogatari | 2006 | ps2 |
| Leading Company | 1993 | snes |
| Lemyuoul no Renkinjutsushi | 2008 | nds |
| Let's Play Firemen | 2008 | nds |
| Let's Play Flight Attendant | 2010 | nds |
| Let's Play Mums | 2009 | nds |
| Let's Play Pet Hospitals | 2009 | nds |
| Let's Play Shops | 2004 | nds |
| Let's Ride - Best in Breed 3D | 2012 | 3ds |
| Let's Ride - Friends Forever | 2008 | nds |
| Let's Ride! - Dreamer | 2006 | gba |
| Let's Ride! - Friends Forever | 2007 | gba |
| Let's Ride! - Sunshine Stables | 2005 | gba |
| Lethal Skies - Elite Pilot - Team SW | 2001 | ps2 |
| Lethal Skies II | 2003 | ps2 |
| Life | 1985 | astrocade |
| The Life Stage - Virtual House | 1994 | 3do |
| Life with Horses 3D | 2014 | 3ds |
| LifeSigns - Hospital Affairs | 2004 | nds |
| Lisa to Issho ni Tairiku Oudan - A-Ressha de Ikou | 2006 | psp |
| Little Bears | 2004 | nds |
| Little Big Workshop | 2020 | ps4 |
| Little Dragons Café | 2018 | switch |
| Little Friends: Dogs & Cats | 2018 | switch |
| The Little House | 1995 | 3do |
| Littlest Pet Shop - Beach Friends | 2004 | nds |
| Littlest Pet Shop - City Friends | 2004 | nds |
| Littlest Pet Shop - Country Friends | 2004 | nds |
| Littlest Pet Shop - Garden | 2008 | nds |
| Littlest Pet Shop - Jungle | 2008 | nds |
| Littlest Pet Shop - Spring | 2009 | nds |
| Littlest Pet Shop - Winter | 2008 | nds |
| Littlest Pet Shop 3 - Biggest Stars - Blue Team | 2004 | nds |
| Littlest Pet Shop 3 - Biggest Stars - Pink Team | 2010 | nds |
| Littlest Pet Shop 3 - Biggest Stars - Purple Team | 2010 | nds |
| Lock On | 1993 | snes |
| Lodoss-tou Senki - Eiyuu Kishiden GB | 1998 | gbc |
| Long Vacation - Iruka to Watashi | 2004 | nds |
| Love Is... in Bloom - The Flower Shop Garden | 2009 | nds |
| Love Plus | 2010 | nds |
| Love Songs - Idol ga Classmate | 2001 | ps2 |
| Lovely Lisa | 2007 | nds |
| Lovely Lisa and Friends | 2009 | nds |
| M-1 Abrams Battle Tank | 1991 | genesis |
| MLB Front Office Manager | 2009 | ps3, xbox360 |
| Mabino x Style | 2005 | ps2 |
| Machi e Ikou yo - Doubutsu no Mori | 2008 | wii |
| Machi no Pet-ya-san DS 2 - Wannyan 333-hiki Daishuugou! | 2009 | nds |
| Macross Ace Frontier | 2008 | psp |
| Mahou Shoujo Fancy CoCo | 1996 | ps1 |
| Maid Paradise Mezase! Maid Number One | 2011 | psp |
| Mail Plane | 1983 | vectrex |
| Mainichi Nekoyoubi | 1998 | ps1 |
| Making the Grade | 1994 | cdi |
| Mama's Combo Pack - Volume 1 | 2012 | nds |
| Mamegoma 3 - Kawaii ga Ippai! | 2010 | nds |
| Manchester United Manager 2005 | 2004 | ps2, xbox |
| The Manga Works | 2020 | ps4 |
| Manga-ka Debut Monogatari DS - Akogare! Manga-ka Ikusei Game | 2005 | nds |
| Mars Rover Landing | 2012 | xbox360 |
| Mary King's Riding School | 2008 | nds |
| Mary King's Riding School 2 | 2009 | wii |
| Matching Maker 2 - Zoku Boku no Machi-zukuri | 2006 | ps2 |