- K-1 World GP 2005Released: 2005Genre: fighting game, sports video game
- K-1 World Grand Prix 2001Released: December 6, 2001Publisher: Konami
- K-On! Hōkago Rhythm TimeReleased: April 26, 2013Platforms: arcade video game machine
- K-pop Dance FestivalReleased: April 25, 2013Platforms: Wii
- KaaReleased: 1995Developer: Arizona
- Kaen Seibo: The Virgin on MegiddoReleased: August 2, 2001Developer: Studio Line
- Kaereltje de Cargadoor (rekenen)Released: 1985Developer: Aackosoft
- Kaereltje de Kunstenaar (Tekenen)Released: 1985Developer: Aackosoft
- Kaereltje Leert Wiskunde (wiskunde I)Released: 1985Developer: Aackosoft
- Kaeru Batake de TsukamaeteReleased: April 28, 2010Developer: Takuyo
- Kaet Must Die!Released: April 5, 2018Platforms: Microsoft Windows
- Kagero: Deception IIReleased: September 10, 1999Developer: Tecmo
- Kagura DouchuukiReleased: October 22, 2015Developer: Debonosu Works
- Kai Yuen's Overlapped UniverseReleased: October 31, 2018Platforms: Microsoft Windows
- Kai-ri-Sei Million ArthurReleased: November 19, 2014Developer: Square Enix
- Kaichu: The Kaiju Dating SimReleased: September 7, 2022Developer: Squiddershins
- Kaiju KlashReleased: November 8, 2022Platforms: Microsoft Windows, Linux
- Kaiju No. 8: The GameDeveloper: Akatsuki GamesSeries: Kaiju No. 8
- Kaiju PrincessReleased: June 22, 2022Series: Kaiju Princess
- Kaiju Princess 2Released: December 13, 2024Series: Kaiju Princess
- Kaiju WarsReleased: April 28, 2022Developer: Foolish Mortals
- Kaijū MonogatariReleased: November 18, 1988Developer: Birthday
- Kaijū-ō GodzillaReleased: December 17, 1993Publisher: Bandai
- Kaiketsu Yanchamaru 2: Karakuri LandReleased: August 30, 1991Developer: Irem
- Kaiketsu Yanchamaru 3: Taiketsu! ZouringenReleased: March 30, 1993Developer: Irem
- Kainga: Seeds of CivilizationReleased: December 6, 2022Publisher: Green Man Gaming Publishing
- Kaiser DeluxeReleased: 1995Developer: Linel
- Kaito Ranma MiyabiReleased: 1999
- Kaitou Saint TailReleased: 1996
- Kaitou Saint TailReleased: 1997Publisher: Tomy
- Kaiware!Released: July 28, 2006Developer: Flying Shine
- Kaizou Choujin Schbibinman ZeroReleased: 1997Series: Kaizō Chōjin Shubibinman
- Kaizō Chōjin ShubibinmanDeveloper: Nippon Computer SystemsSeries: Kaizō Chōjin Shubibinman
- Kaizō Chōjin Shubibinman 3: Ikai no PrincessReleased: 1994Series: Kaizō Chōjin Shubibinman
- Kajiri Kamui KaguraReleased: September 2011Platforms: Microsoft Windows, PlayStation Vita
- Kajko i KokoszReleased: 1994Genre: point-and-click adventure
- Kakele Online - MMORPGReleased: February 2020Platforms: Microsoft Windows, macOS, Linux
- Kakenuke★Seishun Sparking!Released: August 28, 2020Developer: Saga Planets
- Kakinoki ShogiReleased: December 22, 1994Developer: Yoshikazu Kakinoki
- Kakinoki Shogi IIReleased: March 26, 1998Developer: Yoshikazu Kakinoki
- Kakinoki Shogi IVReleased: March 4, 2000Developer: Yoshikazu Kakinoki
- Kakyuusei 2Released: 2004Developer: ELF Corporation
- Kal OnlineReleased: 2004Platforms: Microsoft Windows
- KalabanReleased: December 29, 2016Engine: Multimedia Fusion
- KALEIDO STELLAReleased: January 30, 2019Platforms: Microsoft Windows
- KalevaniaReleased: May 3, 2023Platforms: Microsoft Windows, Linux
- Kalling KingdomReleased: September 21, 2019Platforms: Microsoft Windows, Linux
- Kalzor: 2000Released: July 14, 2017Platforms: Microsoft Windows
- Kama Bullet Heritage 2Released: April 18, 2018Platforms: Microsoft Windows
- Kamen no GōmonshiReleased: September 22, 2006Platforms: Microsoft Windows
- Kamen Rider Club Gekitotsu ShockerLandReleased: February 3, 1988Developer: Tose Co.
- Kamen Rider SD: Run! Mighty RidersReleased: 1993Publisher: Popy
- Kamen Rider SD: Sortie!! Rider MachinesReleased: 1993Platforms: Super Nintendo Entertainment System
- Kamen Rider: Memory of HeroezReleased: October 29, 2020Developer: Winning Entertainment Group
- Kamen Rider: Seigi no KeifuReleased: November 27, 2003Developer: Cavia
- KamerReleased: May 23, 2018Developer: Sokpop Collective
- KamiReleased: October 10, 2013Developer: State of Play
- Kami 2Released: March 30, 2017Developer: State of Play
- Kami-dori Alchemy MeisterReleased: April 22, 2011Developer: Eushully
- Kami-sama to KoigokoroReleased: May 31, 2012Developer: Takuyo
- Kamikaze Cube 2Released: August 2018Publisher: Ghost_RUS Games
- Kamikaze VeggiesReleased: July 7, 2022Developer: Red Limb Studio
- Kamikazo VRReleased: January 12, 2018Platforms: Microsoft Windows
- Kaminaru Kimi toReleased: October 20, 2011Developer: Design Factory
- Kamio RecoilReleased: December 21, 2016Publisher: Fruitbat Factory
- Kamipani!Released: March 28, 2008Publisher: Clochette
- Kamisama no Shippo ~Etogami-sama tachi no Ongaeshi~Released: January 31, 2020Platforms: Microsoft Windows
- Kamitsubaki Academy Newspaper ClubDeveloper: Kamitsubaki StudioSeries: Kamitsubaki City Under Construction
- Kamitsubaki City EnsembleSeries: Kamitsubaki City Under ConstructionPlatforms: Microsoft Windows, Android
- Kamitsubaki City RegenerateSeries: Kamitsubaki City Under ConstructionPlatforms: Microsoft Windows, Android
- Kamiwaza: Way of the ThiefReleased: October 11, 2022Developer: Acquire
- KamuiReleased: 1999Developer: SITER SKAIN
- Kan no Tame no Bible: The Yujo Adventure: Entaru/TamashiReleased: October 30, 2003Developer: HuneX
- Kanazawa Shogi '95Released: April 21, 1995Series: Kanazawa Shogi
- Kandagawa Jet GirlsDeveloper: Honey Parade GamesSeries: Kandagawa Jet Girls
- Kandra The MoonwalkerReleased: May 17, 2022Platforms: Microsoft Windows
- KandriaReleased: January 11, 2023Platforms: Microsoft Windows, Linux
- Kane & Lynch 2: Dog DaysReleased: August 17, 2010Publisher: Eidos Interactive
- Kane & Lynch: Dead MenReleased: November 13, 2007Publisher: Eidos Interactive
- Kane's ShadowReleased: April 22, 2020Platforms: Microsoft Windows, macOS
- Kanken DSReleased: September 28, 2006Platforms: Nintendo DS
- Kanojo xx SwitchReleased: April 6, 2021Platforms: Microsoft Windows
- Kanojo × Kanojo × KanojoReleased: May 30, 2008Developer: Jin Happōbi
- Kanojo-tachi no RyūgiReleased: June 23, 2006Platforms: Microsoft Windows
- Kanokon EsuiiReleased: July 31, 2008Developer: 5pb. Inc.
- KanseiReleased: September 14, 2018Developer: SakeVisual
- Kansei: The Second Turn HDReleased: January 14, 2022Developer: SakeVisual
- Kanzen Chūkei Pro Yakyū Greatest NineSeries: Greatest Nine
- Kanzume Shoujo no Shuumatsu SekaiReleased: April 26, 2019Developer: SILKY'S PLUS
- Kao ChallengersReleased: October 28, 2005Developer: Tate Multimedia
- Kao the KangarooReleased: December 8, 2000Series: Kao the Kangaroo
- Kao the KangarooReleased: 2001Series: Kao the Kangaroo
- Kao the KangarooReleased: May 27, 2022Developer: Tate Multimedia
- Kao the Kangaroo Round 2Released: April 15, 2005Developer: Tate Multimedia
- Kao the Kangaroo: Mystery of the VolcanoDeveloper: Tate MultimediaSeries: Kao the Kangaroo
- Kapital: Sparks of RevolutionReleased: April 28, 2022Developer: Lapovich Team
- KaraDedeler 1989Released: September 9, 2021Platforms: Microsoft Windows
- KARAKARA2Released: November 10, 2017Publisher: Sekai Project
- KarambolaReleased: September 7, 2016Platforms: Microsoft Windows, macOS, Linux
- Karaoke RevolutionReleased: November 4, 2003Genre: simulation video game, music video game
- Karaoke RevolutionReleased: February 12, 2010Developer: Blitz Games
- Karaoke Revolution Glee: Volume 2Released: April 5, 2011Developer: Hijinx Studios
- Karaoke Revolution Glee: Volume 3Released: December 2, 2011Developer: Hijinx Studios
- Karaoke Revolution PartyDeveloper: Harmonix Music SystemsPublisher: Konami
- Karaoke Revolution Presents: American IdolDeveloper: Blitz Games StudiosPublisher: Konami
- Karaoke Revolution Presents: American Idol EncoreReleased: February 5, 2008Developer: Blitz Games Studios
- Karaoke Revolution Presents: American Idol Encore 2Released: November 18, 2008Developer: Blitz Games Studios
- Karaoke Revolution: GleeReleased: December 2, 2010Developer: Hijinx Studios
- Karaoke Revolution: Love & BalladReleased: November 27, 2003Publisher: Konami
- Karaoke Revolution: Volume 2Released: July 13, 2004Developer: Harmonix Music Systems
- Karaoke Revolution: Volume 3Released: November 9, 2004Developer: Harmonix Music Systems
- Karaski: What Goes Up...Released: March 2, 2016Platforms: Microsoft Windows
- Karate BrosDeveloper: Blue Wizard DigitalSeries: Bros (Blue Wizard)
- Karate CatReleased: October 10, 2019Platforms: Microsoft Windows, macOS, Linux
- Kard CombatReleased: July 13, 2011Developer: Hothead Games
- Kardboard KingsReleased: February 10, 2022Publisher: Akupara Games
- Kare wa KanojoReleased: January 5, 2018Platforms: Microsoft Windows, macOS, Linux
- KarisvaleReleased: April 2022Platforms: Microsoft Windows, macOS
- Karl's Kooky WarehouseReleased: May 12, 2011Platforms: Microsoft Windows
- Karma City PoliceReleased: December 16, 2021Platforms: Microsoft Windows
- Karma KnightReleased: May 20, 2020Platforms: Microsoft Windows
- KarmaStarReleased: March 25, 2009Developer: Arkane Studios
- Karnage ChroniclesReleased: July 31, 2020Engine: Unreal Engine 4
- KarousReleased: March 8, 2007Developer: Milestone
- Karpov Schach 2000Released: November 2000Developer: Cdv Software Entertainment
- Kart BrosReleased: September 2026Developer: Blue Wizard Digital
- Kart kidsReleased: March 13, 2019Developer: Sokpop Collective
- KartingReleased: April 15, 2021Developer: RewindApp
- KartKraftReleased: January 26, 2022Developer: Motorsport Games
- KaRuReleased: October 31, 2022Platforms: Microsoft Windows, Linux
- Karuizawa Yūkai AnnaiReleased: 1985Platforms: FM-7
- KarusellstötenReleased: 1999Publisher: Liseberg, Sveriges Television, BRIO
- Karych vs Telegraphs - Pacman EditionReleased: November 15, 2022Publisher: Karich Inc.
- Kaseki no UtaReleased: January 28, 2000Developer: Âge
- Kashimashi CommunicationReleased: February 26, 2010Developer: AXL
- Kashimashi: Girl Meets Girl Hajimete no Natsu MonogatariReleased: March 30, 2006Developer: Vridge
- KasiReleased: January 7, 2021Platforms: Microsoft Windows
- KasioriReleased: May 13, 2021
- KasmoReleased: September 18, 2020Platforms: Microsoft Windows
- Kaspar i NudådalenReleased: 2001Developer: Upside Studios
- Kat's Run: All Japan K-Car ChampionshipReleased: July 14, 1995Developer: Atlus
- Katakoi no TsukiReleased: May 25, 2007Developer: Studio Ryokucha
- Katamari AmoreReleased: September 29, 2011Developer: Bandai Namco Entertainment
- Katamari DamacyReleased: March 18, 2004Developer: Namco
- Katamari Damacy MobileDeveloper: Bandai Namco HoldingsSeries: Katamari
- Katamari Damacy REROLLReleased: December 7, 2018Developer: Monkey Craft
- Katamari ForeverReleased: July 23, 2009Developer: Bandai Namco Holdings
- Katana SoulReleased: March 25, 2019Developer: Seep
- KattishReleased: February 2, 2023Developer: 909games
- KattoReleased: November 30, 2018Platforms: Microsoft Windows
- Katy and Bob Way Back HomeReleased: October 17, 2017Developer: Creobit
- Katy and Bob: Cake CaféReleased: December 7, 2018Developer: Workroom7
- Katy and Bob: Safari CafeReleased: October 15, 2017Publisher: 8floor
- Kautic - The Bald WizardReleased: March 3, 2017Platforms: Microsoft Windows
- Kawa no Nushi TsuriReleased: 1990Developer: Yuu Yuu
- Kawa no Nushi Tsuri 2Released: April 28, 1995Platforms: Super Nintendo Entertainment System
- Kawaii Deathu DesuReleased: August 29, 2019Developer: Pippin Games
- Kawaii GirlReleased: April 24, 2020Platforms: Microsoft Windows
- Kawaii Hentai Girls 3Released: August 19, 2022Platforms: Microsoft Windows
- Kaze and the Wild MasksReleased: March 26, 2021Developer: PixelHive
- Kaze no Klonoa: Moonlight MuseumReleased: May 20, 1999Developer: Namco
- Kaze no NOTAMReleased: September 11, 1997Developer: Artdink
- Keatz: The Lonely BirdReleased: January 17, 2018Developer: Anamik Majumdar
- Kedemara - The Orphan's Ballad (Ch. 1-4)Released: September 2, 2019Platforms: Microsoft Windows
- KeeblesReleased: March 27, 2015Publisher: Green Man Gaming Publishing
- KEEN 6Released: 1992Platforms: DOS
- Keen: One Girl ArmyReleased: June 25, 2020Platforms: Microsoft Windows, macOS
- Keep It LiveReleased: April 8, 2022Platforms: Microsoft Windows
- Keep Me PostedReleased: November 4, 2022Platforms: Microsoft Windows
- Keep the Balance!Released: 2001Platforms: Game Boy Color
- Keep Trying! Zombie ApocalypseReleased: July 6, 2021Platforms: Microsoft Windows
- Keeper of the Day and NightReleased: April 2021Developer: Hosted Games
- Keeper of the Sun and MoonReleased: January 24, 2019Developer: Hosted Games
- Keeper Of The ValleyReleased: March 2023Platforms: Microsoft Windows
- KeeperRLReleased: March 31, 2015Platforms: Microsoft Windows, macOS, Linux
- Keepers of the TreesReleased: August 7, 2020Platforms: Microsoft Windows
- KeepsakeReleased: March 17, 2006Publisher: The Adventure Company
- Keiba Saisho no Housoku '95Released: June 23, 1995
- Keio Flying SquadronReleased: 1994Developer: Victor Interactive Software
- Keio Flying Squadron 2Released: September 1996Developer: JVC
- Keita's Adventures on the African SavannahReleased: June 12, 2022Platforms: Microsoft Windows
- Keitai Denjū Telefang 2: Power VersionReleased: April 26, 2002Developer: Winning Entertainment Group
- Keitai Denjū Telefang 2: Speed VersionReleased: April 26, 2002Developer: Winning Entertainment Group
- Keitai Denjū Telefang: Power VersionReleased: November 3, 2000Developer: Winning Entertainment Group
- Keitai Denjū Telefang: Speed VersionReleased: November 3, 2000Developer: Winning Entertainment Group
- Kelly Club: Clubhouse FunReleased: October 31, 2001Platforms: Game Boy Color
- Kemono FriendsSeries: Kemono FriendsPublisher: Nexon
- Kemono Friends - The PuzzleSeries: Kemono FriendsPlatforms: Android
- Kemono Friends 3Developer: Sega InteractiveSeries: Kemono Friends
- Kemono Friends 3: Planet ToursReleased: September 26, 2019Platforms: arcade video game machine
- Kemono Friends Cellien May CryReleased: May 2022Platforms: Microsoft Windows, macOS
- Kemono Friends FestivalSeries: Kemono FriendsPlatforms: Android
- Kemono Friends Opening DayReleased: April 28, 2023Platforms: Microsoft Windows, macOS, Linux
- Kemono Friends PAVILIONSeries: Kemono FriendsPublisher: Bilibili, Bushiroad
- Kemono Friends PicrossReleased: October 4, 2018Developer: Jupiter
- Kemono HeroesReleased: February 27, 2020Platforms: Microsoft Windows, Xbox Series X and Series S
- Kemonomichi-White Moment-Released: May 3, 2018Platforms: Microsoft Windows
- KEMONOPOLYReleased: November 11, 2021Platforms: Microsoft Windows
- Kengo 2: Legacy of the BladeReleased: 2002Series: Kengo
- Kengo 3Released: September 22, 2004Series: Kengo
- Kengo: Legend of the 9Released: September 7, 2006Developer: Genki
- Kengo: Master of BushidoReleased: December 14, 2000Developer: Genki
- Kenka BanchoReleased: June 25, 2005Publisher: Spike
- Kenka Bancho 5: Han no HakusoukuReleased: 2011Publisher: Spike Chunsoft
- Kenka Bancho 6Released: 2015Publisher: Spike Chunsoft
- Kenka Bancho: Badass RumbleReleased: November 27, 2008Publisher: Spike
- Kenka Banchou 2: Full ThrottlePublisher: SpikeGenre: action-adventure game, beat 'em up
- Kenny vs. Spenny: VersusvilleReleased: 2004Developer: DC Studios
- Kenshin Dragon Quest: Yomigaerishi Densetsu no KenReleased: September 19, 2003Developer: Yuji Horii
- KeplerthReleased: April 23, 2018Developer: TARO
- KernmantleReleased: October 4, 2020Platforms: Microsoft Windows
- Keroro Gunso: Enshū da Yo! Zenin ShūgōReleased: March 16, 2006Developer: Bandai
- Keroro RPG: Kishi to Musha to Densetsu no KaizokuReleased: March 4, 2010Developer: Namco Tales Studio
- Kessakusen! Ganbare Goemon 1 & 2Released: April 21, 2005Developer: Konami
- KessenDeveloper: KoeiSeries: Kessen
- Kessen IIDeveloper: KoeiSeries: Kessen
- Kessen IIIDeveloper: Omega ForceSeries: Kessen
- Kessen! Otome-tachi no Senjou 3 ~Dengeki Sakusen! Senka wa Ace no Na no Moto ni~Released: May 25, 2012Developer: Unicorn-A
- Kewala's Typing AdventureReleased: 1996Platforms: Microsoft Windows, macOS
- Key EscapeReleased: February 21, 2021Platforms: Microsoft Windows
- Key PussReleased: April 29, 2022Platforms: Microsoft Windows
- Keyboard KillersReleased: September 21, 2017Developer: Heaven Brotherhood
- Keyboard Warrior: DreamstateReleased: July 23, 2022Platforms: Microsoft Windows, Linux
- Keyg: the last prisonReleased: December 13, 2018Platforms: Microsoft Windows
- KeyWeReleased: December 15, 2021Developer: Stonewheat & Sons
- Khan VS KahnReleased: August 27, 2019Platforms: Microsoft Windows, macOS, Linux
- Kharon's Crypt: Even Death May DieReleased: February 2022Engine: GameMaker
- Kharé: Cityport of TrapsReleased: November 7, 2013Developer: Inkle
- Khimera: Puzzle IslandReleased: November 29, 2020Platforms: Microsoft Windows
- KhottabychReleased: August 10, 2006Publisher: Akella
- Khufu's Delivery ServiceReleased: January 19, 2018Engine: GameMaker
- Ki11er ClutterReleased: August 24, 2021Developer: Puzzles By Joe
- Kiaidan 00Released: 1992Genre: horizontally scrolling shooter
- Kibbi KeeperReleased: March 4, 2022Platforms: Microsoft Windows
- Kichikuou RanceReleased: December 19, 1996Developer: AliceSoft
- Kick Ass CommandosReleased: November 17, 2016Developer: Anarchy Enterprises
- Kick Challenger: Air FootReleased: November 20, 1987Developer: VAP Inc.
- Kick ItReleased: September 14, 2021Platforms: Microsoft Windows, macOS, Linux
- Kick it, Bunny!Released: February 17, 2021Engine: Unreal Engine 4
- Kick OffReleased: 1989Developer: Dino Dini
- Kick Off 02Series: Kick OffGenre: association football video game
- Kick Off 2Released: 1990Series: Kick Off
- Kick Them Out!!!Released: June 15, 2018Platforms: Microsoft Windows
- Kid A Mnesia ExhibitionReleased: November 18, 2021Platforms: Microsoft Windows, macOS
- Kid Ball AdventureReleased: August 24, 2022Developer: Spoonbox Studio, Ratalaika Games
- Kid IcarusReleased: July 1987Developer: Nintendo Research & Development 1
- Kid Icarus: UprisingReleased: March 23, 2012Developer: Sora Ltd., Project Sora
- Kid Klown in Night Mayor WorldReleased: September 30, 1992Developer: Kemco
- KID MIX SectionReleased: June 28, 2001Genre: digital tabletop game
- KidgilantesReleased: June 6, 2020Platforms: Microsoft Windows
- Kidnapped! A Royal BirthdayReleased: August 20, 2020Developer: Choice of Games
- Kidou Keisatsu Patlabor: Game EditionReleased: November 30, 2000Genre: action game
- Kidou Senshi Gundam: Shin Gihren no YabouReleased: August 25, 2011Platforms: PlayStation Portable
- Kids of Hellas: Back to OlympusReleased: February 22, 2019Developer: Jetdogs Studios, Whalebox Studio
- Kids On Site - Hard Hat EditionReleased: September 26, 2022Developer: Screaming Villains
- Kids Station - Crayon Shin-Chan - Ora to Omoide Tsukuruzo!Released: 2001
- Kids Station: Doraemon: Himitsu no Yojigen PocketReleased: 2001
- Kidz Sports BasketballReleased: January 6, 2006Developer: Data Design Interactive
- Kidz Sports Crazy Mini GolfReleased: November 7, 2008Developer: Data Design Interactive
- Kidz Sports Ice HockeyReleased: January 14, 2008Developer: Data Design Interactive
- Kidz Sports International SoccerReleased: May 30, 2008Developer: Data Design Interactive
- Kidz Sports: American FootballDeveloper: Data Design InteractiveSeries: Kidz Sports
- Kidz Sports: BaseballDeveloper: Data Design InteractiveSeries: Kidz Sports
- Kidz Sports: Crazy Mini Golf 2Released: November 5, 2009Developer: Data Design Interactive
- Kidō Senshi Gundam: Senshitachi no KisekiReleased: March 18, 2004Developer: Bandai
- Kieta PrincessReleased: 1986Platforms: Famicom Disk System
- Kiiroi HanaReleased: December 15, 2020Developer: Rosa Special Studio
- Kika & Daigo: A Curious TaleReleased: January 21, 2020Platforms: Microsoft Windows
- Kikan no Kanata -The Will of a Single Tale-Released: February 15, 2019Developer: Stoner Tomohito
- Kiki & Ana - The ChildReleased: November 10, 2020Platforms: Microsoft Windows
- Kiki Ippatsu Mayumi-chanReleased: 1988Developer: SIMS Co., Ltd.
- Kikuni Masahiko: Jirushi Warau Fukei-san Pachi-Slot HunterReleased: December 9, 1994
- Kikōyoku Senki Tenkū no YuminaReleased: January 23, 2009Platforms: Microsoft Windows
- Kikōyoku Senki: Gin no Toki no CoronaReleased: December 16, 2011Platforms: Microsoft Windows
- Kileak: The DNA ImperativeReleased: January 27, 1995Developer: Genki
- Kili's TreasureReleased: January 20, 2020Platforms: Microsoft Windows, macOS
- Kill 'Em AllReleased: May 31, 2018Engine: Unreal Engine 3
- Kill FishReleased: January 4, 2021Engine: GameMaker
- Kill It with FireReleased: August 13, 2020Engine: Unreal Engine 4
- Kill or LoveReleased: August 17, 2019Platforms: Microsoft Windows, macOS, Linux
- Kill The MonsterReleased: July 13, 2018Platforms: Microsoft Windows
- Kill Them With CutenessReleased: August 27, 2021Platforms: Microsoft Windows
- KILL YOUR FRIENDSReleased: April 18, 2022Platforms: Microsoft Windows, macOS, Linux
- Kill YourselfReleased: March 30, 2020Platforms: Microsoft Windows
- Killer Bean UnleashedReleased: March 4, 2012Developer: Jeffrey A.W. Lew
- Killer DogReleased: July 16, 2020Platforms: Microsoft Windows
- Killer Inside UsReleased: October 30, 2020Platforms: Microsoft Windows, Linux
- Killer InstinctReleased: October 28, 1994Developer: Rare Ltd.
- Killer Instinct GoldReleased: 1996Developer: Rare Ltd.
- Killer Is DeadReleased: August 2013Developer: Grasshopper Manufacture
- Killer Klowns from Outer Space: The GameReleased: June 4, 2024Developer: Teravision Games
- Killer MotiveReleased: May 20, 2021Platforms: Microsoft Windows
- Killer SudokuReleased: December 14, 2020Developer: Studio Goya
- Killer Worm 2Released: January 18, 2022Platforms: Microsoft Windows
- Killer: Infected One of UsReleased: February 2021Platforms: Microsoft Windows
- Killers and ThievesReleased: May 23, 2017Publisher: Stoic
- KillfestReleased: January 21, 2023Platforms: Microsoft Windows
- Killing FloorReleased: May 14, 2009Developer: Tripwire Interactive
- Killing Floor 2Released: November 18, 2016Developer: Tripwire Interactive
- Killing Floor: IncursionReleased: November 14, 2017Developer: Tripwire Interactive
- Killing random dudes onlineReleased: October 17, 2018Publisher: Big Black Bear
- Killing TrialsReleased: February 7, 2019Platforms: Microsoft Windows
- KILLRUNReleased: August 25, 2022Platforms: Microsoft Windows
- KillSteelReleased: April 17, 2020Platforms: Microsoft Windows
- KillStreak.tvReleased: April 11, 2019Platforms: Microsoft Windows, macOS
- KillzoneReleased: November 2, 2004Developer: Sony Interactive Entertainment, Guerrilla Games
- Killzone 2Released: February 26, 2009Developer: Sony Interactive Entertainment, Guerrilla Games
- Killzone 3Released: February 22, 2011Developer: Sony Interactive Entertainment, Guerrilla Games
- Killzone: LiberationReleased: October 31, 2006Developer: Sony Interactive Entertainment, Guerrilla Games
- Killzone: MercenaryReleased: September 4, 2013Developer: Guerrilla Cambridge
- Killzone: Shadow FallReleased: February 22, 2014Developer: Sony Interactive Entertainment, Guerrilla Games
- Killzone: Shadow Fall InterceptReleased: 2014Developer: Sony Interactive Entertainment
- Killzone: Shadow Fall SHAREfactory ThemeReleased: February 10, 2015Developer: Sony Interactive Entertainment
- Kim Possible 2: Drakken's DemiseReleased: September 15, 2004Publisher: Disney Interactive Studios
- Kim Possible: Global GeminiReleased: February 13, 2007Publisher: Disney Interactive Studios
- Kim Possible: KimmunicatorReleased: November 9, 2005Publisher: Disney Interactive Studios
- Kim Possible: Legend of the Monkey’s EyeReleased: May 16, 2006Platforms: Microsoft Windows, macOS
- Kim Possible: Revenge of Monkey FistReleased: November 13, 2002Publisher: Disney Interactive Studios
- Kimagure TemptationReleased: September 27, 2019Developer: SILKY'S PLUS
- Kimi ga Ita KisetsuReleased: July 23, 1999Developer: Âge
- Kimi ga Nozomu EienReleased: August 3, 2001Platforms: Microsoft Windows
- Kimi no Koe ga KikoeruReleased: December 2006Developer: AXL
- Kimi to Issho niReleased: September 29, 2010Genre: social network game, visual novel
- Kimi to Koi Shite MusubareteReleased: June 23, 2006Developer: RusK
- KimokawaE!Released: March 5, 2009Platforms: Nintendo DS
- Kimono CatsReleased: March 3, 2023Platforms: macOS
- Kin'iro no Corda 3Series: Kin’iro no CordaGenre: dating sim
- Kinaman vs Gray ElephantReleased: May 10, 2018Platforms: Microsoft Windows
- Kindergarten 2Released: July 29, 2019Publisher: SmashGames
- Kindergarten secretReleased: January 30, 2023Platforms: Microsoft Windows
- KinduoReleased: July 29, 2021Developer: Nibb Games, Guimaraf Studio
- Kinect PartyReleased: December 17, 2012Developer: Double Fine
- Kinect SportsReleased: November 4, 2010Developer: Rare Ltd.
- KinectimalsReleased: November 4, 2010Developer: Frontier Developments
- Kinetic Connection - The Monitor PuzzleReleased: 1986Platforms: Famicom Disk System, MSX
- King 'n KnightReleased: January 7, 2022Engine: GameMaker
- King and AssassinsReleased: August 8, 2018Publisher: Twin Sails Interactive
- King and KingdomsReleased: May 5, 2022Platforms: Microsoft Windows
- King Arthur: Knight's TaleReleased: April 26, 2022Developer: NeocoreGames
- King Arthur: The Role-Playing WargameReleased: November 25, 2009Developer: NeocoreGames
- King BooReleased: October 18, 2021Platforms: Microsoft Windows, Linux
- King Bullseye: The Chess StrikeReleased: May 5, 2021Platforms: Microsoft Windows, macOS, Linux
- King CrusherReleased: January 9, 2019Developer: Ankama Games
- King FishingReleased: February 8, 2023Platforms: Microsoft Windows
- KING GOD DOMAINReleased: September 2020Platforms: Microsoft Windows
- King LeoReleased: June 15, 2022Developer: Joindots
- King OddballReleased: September 27, 2012Developer: 10tons
- King of BowlingReleased: September 29, 1995Genre: bowling video game
- King of Bowling 2Genre: bowling video game
- King of Bowling 3Released: August 9, 2004Genre: bowling video game
- King of CasinoReleased: March 27, 1990Platforms: TurboGrafx-16
- King of CrabsReleased: July 3, 2020Platforms: Microsoft Windows, Android
- King of FateReleased: June 8, 2023Platforms: Microsoft Windows
- King of Fighters R-1Released: October 28, 1998Developer: SNK
- King of Fighters R-2Released: March 19, 1999Developer: SNK
- King of KinksReleased: May 10, 2022Platforms: Microsoft Windows
- King Of MazesReleased: March 15, 2018Platforms: Microsoft Windows, macOS
- King of PhoenixReleased: September 27, 2018Platforms: Microsoft Windows, macOS
- King of RetailReleased: September 14, 2022Publisher: Iceberg Interactive
- King of SeasReleased: May 25, 2021Developer: 3DClouds
- King of the MonstersReleased: 1991Developer: SNK
- King of the Monsters 2Released: 1992Developer: SNK
- King of the SandcastleReleased: February 28, 2018Developer: Sokpop Collective
- King of VolleyballReleased: February 15, 2020Platforms: Microsoft Windows, macOS
- King PigReleased: June 13, 2022Platforms: Microsoft Windows
- King PinsReleased: October 24, 2020Developer: Sokpop Collective
- King rocketReleased: November 26, 2019Platforms: Microsoft Windows
- King's BountyReleased: February 21, 1991Developer: New World Computing
- King's Bounty IIReleased: August 24, 2021Developer: 1C Company
- King's Bounty: Armored PrincessReleased: April 10, 2009Developer: Katauri Interactive
- King's Bounty: Dark SideReleased: August 14, 2014Developer: Softclub
- King's Bounty: LegionsReleased: May 25, 2011Developer: Nival
- King's Bounty: Warriors of the NorthReleased: October 25, 2012Developer: 1C Company
- King's FieldReleased: December 16, 1994Developer: FromSoftware
- King's Field IIReleased: July 21, 1995Developer: FromSoftware
- King's Field IIIReleased: June 21, 1996Developer: FromSoftware
- King's Field IVReleased: October 4, 2001Developer: FromSoftware
- King's HandReleased: January 20, 2023Platforms: Microsoft Windows
- King's Heir: Rise to the ThroneReleased: May 31, 2018Developer: Cordelia Games
- King's QuestReleased: April 26, 2016Series: King's Quest
- King's Quest CollectionReleased: September 1, 2006Series: King's Quest
- King's Quest IReleased: May 10, 1984Series: King's Quest
- King's Quest IIReleased: May 1985Series: King's Quest
- King's Quest II: Romancing the StonesReleased: 2002Developer: AGD Interactive
- King's Quest IIIReleased: October 1, 1986Series: King's Quest
- King's Quest IIIReleased: 2006Developer: Infamous Adventures
- King's Quest IVReleased: September 1988Series: King's Quest
- King's Quest VReleased: November 9, 1990Series: King's Quest
- King's Quest VI: Heir Today, Gone TomorrowReleased: September 30, 1992Series: King's Quest
- King's Quest VIIReleased: November 23, 1994Series: King's Quest
- King's Quest: Mask of EternityReleased: September 18, 2010Series: King's Quest
- King's QuestionsSeries: King's QuestGenre: quiz video game
- King-DomReleased: July 30, 2018Platforms: Microsoft Windows
- Kingdom ClickerReleased: March 30, 2018Platforms: Microsoft Windows
- Kingdom Come: DeliveranceReleased: February 13, 2018Developer: Warhorse Studios
- Kingdom Eighties: Summer of GreedReleased: June 26, 2023Platforms: Microsoft Windows, macOS, Linux
- Kingdom ElementalReleased: August 21, 2008Platforms: Microsoft Windows
- Kingdom Fall, Dawn of the DruidReleased: October 8, 2021Platforms: Microsoft Windows
- Kingdom GunReleased: July 28, 2022Platforms: Microsoft Windows
- Kingdom HeartsReleased: March 28, 2002Developer: Square
- Kingdom Hearts 358/2 DaysReleased: May 30, 2009Developer: Square Enix
- Kingdom Hearts 3D: Dream Drop DistanceReleased: March 29, 2012Developer: Square Enix
- Kingdom Hearts CodedReleased: November 18, 2008Developer: Square Enix
- Kingdom Hearts Dark RoadReleased: June 22, 2020Platforms: Android
- Kingdom Hearts Final MixReleased: December 2002Developer: Square Enix
- Kingdom Hearts HD 1.5 RemixReleased: March 14, 2013Series: Kingdom Hearts
- Kingdom Hearts HD 2.5 RemixReleased: December 2, 2014Developer: Square Enix
- Kingdom Hearts HD 2.8 Final Chapter PrologueReleased: 2017Developer: Square Enix
- Kingdom Hearts IIReleased: December 22, 2005Developer: Square Enix
- Kingdom Hearts IIIReleased: January 25, 2019Developer: Square Enix
- Kingdom Hearts III Re MindReleased: January 23, 2020Series: Kingdom Hearts
- Kingdom Hearts IVReleased: 2027Developer: Square Enix
- Kingdom Hearts Missing-LinkDeveloper: Square EnixSeries: Kingdom Hearts
- Kingdom Hearts Re: Chain of MemoriesReleased: March 29, 2007Series: Kingdom Hearts
- Kingdom Hearts Re:codedReleased: October 7, 2010Platforms: Nintendo DS
- Kingdom Hearts: Birth by SleepReleased: January 9, 2010Developer: Square Enix
- Kingdom Hearts: Chain of MemoriesReleased: November 11, 2004Developer: Jupiter
- Kingdom Hearts: Melody of MemoryReleased: November 11, 2020Series: Kingdom Hearts
- Kingdom of Assetia: The Clicker GameReleased: January 25, 2022Platforms: Microsoft Windows
- Kingdom of BladesReleased: February 23, 2018Platforms: Microsoft Windows
- Kingdom of LoathingReleased: February 10, 2003Developer: Asymmetric Publications
- Kingdom of MavertaReleased: November 11, 2021Developer: My Label Game Studio
- Kingdom RushReleased: January 6, 2014Developer: Ironhide Game Studio
- Kingdom Rush FrontiersReleased: September 26, 2013Developer: Ironhide Game Studio
- Kingdom Rush Frontiers TD+Released: November 12, 2021Platforms: macOS
- Kingdom Rush OriginsReleased: October 18, 2018Developer: Ironhide Game Studio
- Kingdom Rush VengeanceReleased: November 22, 2018Developer: Ironhide Game Studio
- Kingdom ShellReleased: October 5, 2023Engine: GameMaker
- Kingdom Two CrownsReleased: December 11, 2018Publisher: Raw Fury
- Kingdom Under Fire IIReleased: May 2014Developer: Blueside
- Kingdom Under Fire: A War of HeroesReleased: January 18, 2001Developer: Phantagram
- Kingdom Wars 2: BattlesReleased: March 4, 2016Platforms: Microsoft Windows
- Kingdom's LifeReleased: February 28, 2022Developer: Strudio Company
- Kingdom: ClassicReleased: October 21, 2015Publisher: Raw Fury
- Kingdom: New LandsReleased: August 9, 2016Publisher: Raw Fury
- Kingdoms Of Marazia: ClassicReleased: August 6, 2018Platforms: Microsoft Windows, macOS, Linux
- KingManiaReleased: October 9, 2007Platforms: Microsoft Windows
- Kingpin RoyaleReleased: October 2018Platforms: Microsoft Windows
- Kings and HeroesReleased: November 16, 2017Platforms: Microsoft Windows
- Kings and PigsReleased: June 18, 2021Developer: Piece Of Voxel
- Kings and Pigs PrequelReleased: October 27, 2021Developer: Piece Of Voxel
- Kings of the CastleReleased: January 17, 2020Developer: Frosty Pop
- Kings Of WingsReleased: November 8, 2019Platforms: Microsoft Windows
- KingshuntReleased: November 3, 2022Engine: Unreal Engine 4
- KingSimReleased: May 28, 2020Platforms: Microsoft Windows
- Kinja RunReleased: July 27, 2022Platforms: Android
- Kinkoi: Golden TimeReleased: February 22, 2019Developer: Saga Planets
- Kinnikuman: Dirty ChallengerReleased: 1992Platforms: Super Nintendo Entertainment System
- KinokoReleased: July 24, 2020Platforms: Microsoft Windows
- Kirakira Rythm CollectionReleased: December 3, 2009Platforms: Nintendo DS
- Kirakira stars idol project NagisaReleased: June 18, 2020Platforms: Microsoft Windows
- Kirakira ♥ Idol Licca-chanReleased: July 26, 2006Genre: collectible card arcade game
- Kiratto Pri ChanDeveloper: Syn SophiaPublisher: T-ARTS
- Kirby & the Amazing MirrorReleased: April 15, 2004Developer: Flagship
- Kirby 64: The Crystal ShardsReleased: March 24, 2000Developer: HAL Laboratory
- Kirby Air RideReleased: July 11, 2003Developer: HAL Laboratory
- Kirby Air RidersReleased: November 20, 2025Developer: Bandai Namco Studios, Sora Ltd.
- Kirby and the Forgotten LandReleased: March 25, 2022Developer: HAL Laboratory
- Kirby and the Rainbow CurseReleased: February 20, 2015Developer: HAL Laboratory
- Kirby Battle RoyaleReleased: November 3, 2017Developer: HAL Laboratory
- Kirby Fighters 2Released: September 23, 2020Developer: HAL Laboratory
- Kirby Mass AttackReleased: August 4, 2011Developer: HAL Laboratory
- Kirby Star AlliesReleased: March 16, 2018Developer: HAL Laboratory
- Kirby Super StarReleased: March 21, 1996Developer: HAL Laboratory
- Kirby Super Star UltraReleased: September 22, 2008Developer: HAL Laboratory
- Kirby Tilt 'n' TumbleReleased: August 23, 2000Developer: HAL Laboratory
- Kirby's AdventureReleased: March 23, 1993Developer: HAL Laboratory
- Kirby's AvalancheReleased: February 1995Developer: HAL Laboratory
- Kirby's Block BallReleased: December 14, 1995Developer: HAL Laboratory
- Kirby's Blowout BlastReleased: July 6, 2017Developer: HAL Laboratory
- Kirby's Dream BuffetReleased: August 17, 2022Developer: HAL Laboratory
- Kirby's Dream CourseReleased: September 21, 1994Developer: HAL Laboratory
- Kirby's Dream LandReleased: April 27, 1992Developer: HAL Laboratory
- Kirby's Dream Land 2Released: March 21, 1995Developer: HAL Laboratory
- Kirby's Dream Land 3Released: November 27, 1997Developer: HAL Laboratory
- Kirby's Epic YarnReleased: October 14, 2010Developer: Good-Feel
- Kirby's Pinball LandReleased: November 27, 1993Developer: HAL Laboratory
- Kirby's Return to Dream LandReleased: October 24, 2011Developer: HAL Laboratory
- Kirby's Return to Dream Land DeluxeReleased: February 24, 2023Developer: HAL Laboratory
- Kirby's Star StackerReleased: March 18, 1997Developer: HAL Laboratory
- Kirby: Canvas CurseReleased: March 24, 2005Developer: HAL Laboratory
- Kirby: Planet RobobotReleased: April 28, 2016Developer: HAL Laboratory
- Kirby: Squeak SquadReleased: November 2, 2006Developer: Flagship
- Kirby: Triple DeluxeReleased: January 11, 2014Developer: HAL Laboratory
- Kirby: Triple Deluxe Match-UpReleased: December 31, 2014Developer: Nintendo
- Kirigiri SouReleased: November 25, 2016Developer: Spike Chunsoft
- Kisekae Fetish!Released: September 9, 2005Platforms: Microsoft Windows
- KisekimuraReleased: February 28, 2022Platforms: Microsoft Windows
- Kisetsu o DakishimeteSeries: YarudoraGenre: visual novel
- Kishin Dōji ZenkiReleased: September 1995Country of origin: Japan
- Kishin Hishō DemonbaneReleased: May 26, 2006Developer: Nitroplus
- Kiss 'n' KillReleased: 1998Developer: Kimey Fun Media
- Kiss the DemiurgeReleased: December 2022Platforms: Microsoft Windows, macOS, Linux
- Kiss yori Saki ni Koi yori HayakuReleased: October 24, 2008Developer: SkyFish
- KISS yori...Released: 1999Genre: dating sim
- Kissin' KousinsReleased: 1985Publisher: English Software
- Kitaria FablesReleased: September 2, 2021Publisher: PQube
- Kitrinos: Inside the CubeReleased: June 19, 2018Engine: Multimedia Fusion
- Kitten and food: adventure parkReleased: August 17, 2018Platforms: Microsoft Windows
- Kitten Love EmulatorReleased: November 22, 2018Platforms: Microsoft Windows
- Kittens and YarnReleased: June 17, 2021Platforms: Microsoft Windows
- Kittens in Post-Apocalyptic Fantasy San Francisco: Battle School for Only the Most Awesome MonstersReleased: August 9, 2022Developer: Stegalosaurus Game Development
- Kitto, Sumiwataru Asairo Yori mo,Released: July 24, 2009Platforms: Microsoft Windows
- Kitty BallReleased: April 19, 2022Platforms: Microsoft Windows
- Kitty MaestroReleased: February 14, 2020Country of origin: England
- Kitty May CryReleased: November 13, 2022Platforms: Microsoft Windows
- Kitty QReleased: October 7, 2021Developer: Philipp Stollenmayer, Kamibox
- Kitty RainbowReleased: August 6, 2020Platforms: Microsoft Windows, macOS
- Kitty TacticsReleased: February 24, 2021Platforms: Microsoft Windows, macOS, Linux
- Kiwame - Taikyoku ShogiReleased: September 29, 1995
- KKnDReleased: March 25, 1997Developer: Krome Studios Melbourne
- KlangReleased: September 22, 2016Developer: Tinimations
- Klang 2Released: October 20, 2021Developer: Tinimations
- Kleebuu Craves Fruit SaladReleased: February 21, 2023Platforms: Microsoft Windows
- KleptoCatsReleased: March 17, 2016Developer: HyperBeard
- KleptoCats 2Released: March 12, 2018Publisher: HyperBeard
- Klondike MoonReleased: 1997Platforms: Microsoft Windows, DOS
- Klondike Solitaire CollectionReleased: March 29, 2022Platforms: Microsoft Windows, macOS, Linux
- Klondike Solitaire KingsReleased: August 16, 2017Developer: Boogygames Studios
- KlonoaReleased: December 4, 2008Developer: Paon DP
- Klonoa 2: Dream Champ TournamentReleased: August 6, 2002Developer: Namco
- Klonoa 2: Lunatea's VeilReleased: March 22, 2001Developer: Sony Interactive Entertainment
- Klonoa Beach VolleyballReleased: April 25, 2002Developer: Namco
- Klonoa Heroes: Densetsu no Star MedalReleased: December 13, 2002Developer: Namco
- Klonoa Phantasy Reverie SeriesReleased: July 7, 2022Developer: Monkey Craft
- Klonoa: Door to PhantomileReleased: December 11, 1997Developer: Namco
- Klonoa: Empire of DreamsReleased: July 19, 2001Developer: Namco
- Klotzen! Panzer BattlesReleased: April 27, 2022Platforms: Microsoft Windows
- KlustarReleased: 1999Platforms: Game Boy Color
- Kly-KlyReleased: March 14, 2022Platforms: Microsoft Windows
- KlymReleased: September 13, 2019Developer: Sokpop Collective
- KNACK!Released: February 27, 2018Publisher: GarageGames
- Knife QuestReleased: October 6, 2020Platforms: Microsoft Windows
- Knife SistersReleased: April 24, 2019Platforms: Microsoft Windows, macOS, Linux
- Knight And MourningReleased: April 11, 2023Platforms: Microsoft Windows
- Knight ArenaReleased: September 7, 2020Platforms: Microsoft Windows
- Knight BewitchedReleased: April 18, 2018Engine: RPG Maker MV
- Knight FighterReleased: April 24, 2018Platforms: Microsoft Windows
- Knight GamesReleased: 1986Publisher: Mastertronic
- Knight LoreReleased: May 1985Developer: Aackosoft, Stamper brothers, Rare Ltd.
- Knight Rider 2: The GameReleased: 2004Developer: Davilex Games
- Knight Rider: The GameReleased: November 8, 2002Developer: Davilex Games
- Knight RiotReleased: February 8, 2022Platforms: Microsoft Windows
- KNIGHT SLAVE -The Dark Valkyrie of Depravity-Released: July 2021Platforms: Microsoft Windows
- Knight SolitaireReleased: 2020Developer: Creobit
- Knight Solitaire 2Released: January 31, 2023Developer: Creobit
- Knight Solitaire 3Released: August 8, 2022Developer: Creobit
- Knight SquadReleased: November 16, 2015Platforms: Microsoft Windows, macOS, Linux
- Knight Squad 2Released: April 14, 2021Platforms: Microsoft Windows
- Knight StoryReleased: May 18, 2022Platforms: Microsoft Windows, macOS, Linux
- Knight Swap 2Released: December 13, 2019Platforms: Microsoft Windows, macOS
- Knight TerrorsReleased: October 24, 2017Country of origin: England
- Knight's mazeReleased: June 2, 2020Platforms: Microsoft Windows
- Knight's RetreatReleased: August 6, 2020Platforms: Microsoft Windows, macOS
- KnightbladeReleased: April 4, 2022Platforms: Microsoft Windows
- Knightfall: A Daring JourneyReleased: April 2022Platforms: Microsoft Windows
- KnighthoodReleased: July 19, 2018Developer: Midoki
- Knightin'+Released: July 26, 2019Publisher: Ratalaika Games
- KnightmareReleased: 1986Developer: Konami
- KnightmareReleased: November 27, 2020Platforms: Microsoft Windows
- Knightmare III: ShalomReleased: 1987Developer: Konami
- KnightOutReleased: March 27, 2020Publisher: Fig
- Knights & GunsReleased: September 16, 2022Developer: Baltoro Games
- Knights and DungeonsReleased: July 12, 2020Platforms: Microsoft Windows
- Knights CollegeReleased: January 15, 2021Platforms: Microsoft Windows
- Knights in the NightmareReleased: September 25, 2008Developer: Sting
- Knights of BravelandReleased: February 16, 2023Developer: Tortuga Team
- Knights of FateReleased: July 8, 2022Platforms: Microsoft Windows
- Knights of GrumthorrReleased: October 21, 2020Platforms: Microsoft Windows
- Knights of Grumthorr 2Released: March 29, 2021Platforms: Microsoft Windows
- Knights of HeartsReleased: February 13, 2018Platforms: Microsoft Windows
- Knights of LegendsReleased: March 24, 2023Platforms: Microsoft Windows
- Knights of MessiahReleased: May 27, 2022Platforms: Microsoft Windows
- Knights of TartarusReleased: April 19, 2019Platforms: Microsoft Windows, macOS, Linux
- Knights of the CrossReleased: 2001Platforms: Microsoft Windows
- Knights of the Temple IIReleased: January 26, 2005Developer: Cauldron
- Knights of the Temple: Infernal CrusadeReleased: March 19, 2004Developer: Starbreeze Studios
- Knights of ValourReleased: 1999Developer: International Games System
- Knights of XentarReleased: 1991Developer: ELF Corporation
- Knock on the Coffin LidReleased: April 2020Platforms: Microsoft Windows, macOS, Xbox Series X and Series S
- Knockball poolReleased: November 7, 2021Developer: LGT SIA
- Knockdown the BallReleased: April 24, 2018Platforms: Microsoft Windows
- Knockdown the Ball TwiceReleased: March 30, 2020Platforms: Microsoft Windows
- Knocking Up my Nympho NeighborsReleased: December 9, 2022Platforms: Microsoft Windows, macOS, Linux
- Knockout CityReleased: May 21, 2021Publisher: Electronic Arts
- Knockout KingsReleased: 1998Series: Knockout Kings
- Knockout Kings 2001Released: 2000Series: Knockout Kings
- Knockout Kings 2002Released: 2002Series: Knockout Kings
- Knockout Kings 2003Released: 2002Series: Knockout Kings
- Knockout LeagueReleased: February 13, 2018Platforms: Microsoft Windows
- KnotfictionReleased: August 13, 2021Platforms: Microsoft Windows
- KnotwordsReleased: April 28, 2022Developer: Zach Gage
- Know by heart...Released: February 10, 2022Developer: Ice-Pick Lodge
- Knuckles the Echidna in Sonic the Hedgehog 2Released: 1994Developer: Sonic Team
- Knuckles' ChaotixReleased: April 20, 1995Series: Sonic the Hedgehog
- KnyttReleased: December 2006Platforms: Microsoft Windows
- Knytt StoriesReleased: August 30, 2007Developer: Nicklas Nygren
- KO MechReleased: July 19, 2018Developer: Ektomarch
- Koa and the Five Pirates of MaraReleased: July 27, 2023Platforms: Microsoft Windows
- Koa: The Forgotten GodsReleased: August 8, 2022Platforms: Microsoft Windows