| Kero Blaster | 2017 | ps4, switch |
| Kero Kero 7 | 2006 | nds |
| Kero Kero Keroppi no Daibouken 2 - Donuts Ike wa Oosawagi!! | 1993 | nes |
| Kero Kero Keroppi no Isshoni Asobou | 1993 | arcade |
| Kero Kero Keroppi's Let's Play Together | 1995 | arcade |
| Keystone Koppers | 2025 | a7800 |
| Ki no Bouken - The Quest of Ki | 1988 | nes |
| Kick & Fennick | 2015 | vita, wiiu, xboxone |
| Kicker | 1985 | arcade |
| Kid Chameleon | 1992 | arcade |
| Kid Chaos | 1994 | cd32 |
| Kid Icarus | 1987 | nes |
| Kid Icarus | 2013 | wiiu |
| Kid Klown in Night Mayor World | 1993 | nes |
| Kid Kool | 1988 | nes |
| Kid Kool and the Quest for the Seven Wonder Herbs | 1990 | nes |
| Kid Niki | 1986 | arcade |
| Kid Niki - Radical Ninja | 1986 | arcade, nes |
| Kid Paddle | 2005 | gba |
| Kid Tripp | 2019 | vita |
| Killer Queen Black | 2021 | xboxone |
| Kim Possible - Kimmunicator | 2005 | nds |
| Kim Possible - Revenge of Monkey Fist | 2002 | gba |
| Kim Possible 2 - Drakken's Demise | 2004 | gba |
| Kim Possible 3 - Team Possible | 2005 | gba |
| King of Dynast Gear | 1999 | arcade |
| Kingdom Crisis | 2023 | nes |
| Kirby & The Amazing Mirror | 2004 | gba |
| Kirby - Nightmare in Dream Land | 2002 | gba |
| Kirby - Planet Robobot | 2016 | 3ds |
| Kirby - Triple Deluxe | 2014 | 3ds |
| Kirby 64 - The Crystal Shards | 2000 | n64 |
| Kirby 64 - The Crystal Shards | 2008 | wii |
| Kirby Mass Attack | 2011 | nds |
| Kirby Super Star | 1996 | snes |
| Kirby Super Star Ultra | 2008 | nds |
| Kirby and the Forgotten Land | 2022 | switch |
| Kirby and the Rainbow Curse | 2015 | wiiu |
| Kirby and the Rainbow Paintbrush | 2015 | wiiu |
| Kirby's Adventure | 1993 | nes |
| Kirby's Adventure | 2013 | wiiu |
| Kirby's Dream Collection - Special Edition | 2012 | wii |
| Kirby's Dream Land | 2011 | 3ds |
| Kirby's Dream Land | 1992 | gb |
| Kirby's Dream Land 2 | 1995 | 3ds, gb |
| Kirby's Extra Epic Yarn | 2019 | 3ds |
| Kirby's Fun Pak | 1997 | snes |
| Kirby's Return to Dream Land | 2011 | wii, wiiu |
| Kirby's Return to Dream Land Deluxe | 2023 | switch |
| Kirikou | 2001 | gbc, ps1 |
| Kirikou et les Betes Sauvages | 2004 | nds |
| Kishin Douji Zenki | 1995 | gg |
| Kishin Douji Zenki - Battle Raiden | 1995 | snes |
| Kishin Douji Zenki - Denei Raibu | 1995 | snes |
| Kisuishou Densetsu Astal | 1995 | saturn |
| Kitchen War | 1992 | svision |
| Kiteretsu Daihyakka | 1990 | nes |
| Kitten's Getaway | 2024 | gb |
| Kiwi Kraze - A Bird-Brained Adventure! | 1991 | nes |
| Kiwi Kraze - A Bird-Brained Adventure! | 1991 | nes |
| Klaus | 2016 | ps4 |
| Klaymen Klaymen 2 - Skullmonkey no Gyakushuu | 1998 | ps1 |
| Klonoa | 2008 | wii |
| Klonoa - Door to Phantomile | 1998 | ps1 |
| Klonoa - Empire of Dreams | 2001 | gba |
| Klonoa 2 - Dream Champ Tournament | 2002 | gba |
| Klonoa Phantasy Reverie Series | 2022 | switch |
| Knack | 2013 | ps4 |
| Knack 2 | 2017 | ps4 |
| Knight Guy in Low-Res World - Castle Days | 2021 | a7800 |
| Knights and Bikes | 2019 | ps4, switch |
| Knights of the Square | 2022 | sms |
| Knuckle Joe | 1985 | arcade |
| Knuckles' Chaotix | 1995 | 32x |
| Knytt Underground | 2012 | ps3, vita, wiiu |
| Koisuru Purin! - Koi wa Daibouken! Dr. Kanmi no Yabou! | 2008 | nds |
| Koko Adventure | 1993 | nes |
| Kolobok - Pyramid | 2013 | genesis |
| Konami World III | 1991 | nes |
| Konek-Gorbunok | | arcade |
| Koneko Monogatari - The Adventures of Chatran | 1986 | fds |
| Kong | | arcade |
| Kong - King of Atlantis | 2005 | gba |
| Kong - The Animated Series | 2002 | gba |
| Kongque Wang 2 - Huanying Cheng | 1989 | genesis |
| Korobot Adventure | 2006 | ps2 |
| The Krion Conquest | 1991 | nes |
| Krusty's Super Fun House | 1992 | snes |
| Kunai | 2020 | switch |
| Kung Zhu | 2010 | nds |
| Kung-Fu Live | 2010 | ps3 |
| Kung-Fu Taikun | 1984 | arcade |
| Kuzmich-Egorych | | arcade |
| Kyoro-chan Land | 1992 | gb, nes |
| Kyoro-chan no Prikura Daisakusen | 1999 | ps1 |
| Kyouryuu Sentai Zyuranger | 1992 | nes |
| Kyub | 2016 | xboxone |
| L'Abbaye des Morts | 2017 | genesis |
| L'Abbaye des Morts | 2021 | nes |
| L'Era Glaciale 4 - Continenti alla Deriva - Giochi Polari | 2012 | 3ds |