| Konstructors Entertainment | Developer | |
| Konzentra | Developer | |
| Kooda Loutre | Developer | |
| Kool Kizz | DeveloperPublisher | |
| Kool2Play | Developer | |
| Koolhaus Games | Developer | |
| Koomplr | Developer | |
| Kooroshoo | Developer | |
| Koral | Developer | |
| Koralgoll | Developer | |
| Korath | Developer | |
| Kordian Ronnberg | Developer | |
| Kore | Developer | |
| Korgen | Developer | |
| Korigame | Developer | |
| KorinOo | Developer | |
| Korion | DeveloperPublisher | |
| Koritenos | Developer | |
| Kornel | Developer | |
| Korner Entertainment | Developer | |
| Korova | Developer | |
| Korpus | Developer | |
| Korta Interactive | Developer | |
| Kory Lauver | Developer | |
| Koshka's Kofe | Developer | |
| Kostas and Sarah | Developer | |
| KostblLb | Developer | |
| Kostiantyn | Developer | |
| Kostiantyn Dvornik | Developer | |
| Kostya Saintly | Developer | |
| Kostya_Lib | Developer | |
| Kotaro Fujita | Developer | |
| Kotie | Developer | |
| KotlinCookie | Developer | |
| Koto | Developer | |
| Koto Laboratory | Developer | |
| KotoGames | Developer | |
| Kotobuki Solution | Developer | |
| Kotobuki Systems | Developer | |
| Kotobuki SystemsJP | Publisher | |
| Kotobuki-Raison | Publisher | |
| Kottis | Developer | |
| Kouji Oono | Developer | |
| Kourii Raiko | Developer | |
| Koustubh1234G | Developer | |
| Kousuke-shii | Developer | |
| Kouyousha | Developer | |
| Kouyousha Ltd | Developer | |
| Kovacs | Developer | |
| Kovakomes | Developer | |
| Kovnir | Developer | |
| Kozengod | Developer | |
| Kozinaka | Developer | |
| Kozova1 | Developer | |
| Kozun | Developer | |
| Kozuskoo | Developer | |
| Kpded | Developer | |
| KpixCorp | Developer | |
| Krab | Developer | |
| KrabGor | Developer | |
| Krad | Developer | |
| Krafted Games | DeveloperPublisher | |
| Krafter | Developer | |
| Krafton Game Union | DeveloperPublisher | |
| KraftyKombat | Developer | |
| KrainaGrzybowTV | Developer | |
| Kraken Empire | Developer | |
| KrakenDev | Developer | |
| Krakhazblong | Developer | |
| Kral Bros. | Developer | |
| KramerGameDev | Developer | |
| Krammetje | Developer | |
| Kranox23 | Developer | |
| Kranx Productions | Developer | |
| Krapht | Developer | |
| Krashe | Developer | |
| Krassenstein | Developer | |
| Kratser | Developer | |
| Kraud16 | Developer | |
| Kray Games | Developer | |
| Krea Medie A | Publisher | |
| KreeYt | Developer | |
| Krell Software | Publisher | |
| Kremlingames | Developer | |
| Krendel | Developer | |
| Krentek Software | Developer | |
| Krewe Studios | DeveloperPublisher | |
| Kreyk29 | Developer | |
| Kridotsuk | Developer | |
| Krieger-NerdIndie | Developer | |
| Krillbite Studio | DeveloperPublisher | |
| KrillbiteStudio | Developer | |
| Kriloff | Developer | |
| Krimm | Developer | |
| Kringle Pringles | Developer | |
| Kris Dikeman | Developer | |
| Kris Ligman | Developer | |
| KrisBijnens | Developer | |
| KrisDoC | Developer | |
| Krisalis | Publisher | |
| Krisalis Software | DeveloperPublisher | |
| Krisalis Software (Shaun Hollingworth, Peter Harrap, James Wilson, Ben Daglish) | Developer | |
| Krisalis Software Ltd. | Developer | |
| Krishan Raj | Developer | |
| Krishna-se | Developer | |
| Krisjet | Developer | |
| Krispy Cat | Developer | |
| Kristan | Developer | |
| Kristian Kronstrand | Developer | |
| Kristofer Stevenson | Developer | |
| KristovCowen | Developer | |
| Kristóf Morva | Developer | |
| Krisz' Games | Developer | |
| KriszDev | Developer | |
| Kritzelkratz | Developer | |
| Kritzelkratz 3000 | Developer | |
| Krizis | Developer | |
| Kroax | Developer | |
| Krobinide | Developer | |
| Krogh | Developer | |
| Krome Studios | Developer | |
| Krome Studios Melbourne | DeveloperPublisher | |
| Kromster80 | Developer | |
| Kron Simulation Software | Developer | |
| Kronbits | Developer | |
| Kronde | Developer | |
| Kronic Studio Games | Developer | |
| Kronos | DeveloperPublisher | |
| Kronos Digital | Developer | |
| Kronos Digital Entertainment | Developer | |
| Krool Toys | Developer | |
| KrowK1ng | Developer | |
| KroxX | Developer | |
| Kroyer Designed Games | Developer | |
| Kruemelkatze | Developer | |
| Krugisa | Developer | |
| Krumbukt | Developer | |
| Krunchy Fried Games | Developer | |
| Kruwu | Developer | |
| Kryanide | Developer | |
| Kryptic Coding | Developer | |
| KrypticKoder | Developer | |
| Krypton Force | Developer | |
| KryptonProxy | Developer | |
| Kryptth | Developer | |
| Krysle Quinsen | Developer | |
| KrystianBooker | Developer | |
| Krystman | Developer | |
| Krystof Knesl | Developer | |
| Kryzarel | Developer | |
| Krzyhau | Developer | |
| KrzysztofK | Developer | |
| KrzysztofPodsada | Publisher | |
| Kssa | Developer | |
| Ktao | Developer | |
| Kthulu Solutions | DeveloperPublisher | |
| Ktulhu Solutions | Developer | |
| KuKuRammus | Developer | |
| Kuality Games | Developer | |
| Kuang-Yu | Developer | |
| Kubees | Developer | |
| Kubifaktorium | Developer | |
| Kubo Bros. Games | Developer | |
| Kucki | Developer | |
| Kudoshi | Developer | |
| Kuhaku Pixel | Developer | |
| Kuira Kariuki | Developer | |
| Kuismai | Developer | |
| Kuju | Developer | |
| Kuju Entertainment | Developer | |
| Kuju Games | Developer | |
| Kuju Sheffield | Developer | |
| Kullerkeks12 | Developer | |
| Kultisti | Developer | |
| Kulturskolan Luleå | Developer | |
| Kuma Computers | DeveloperPublisher | |
| Kuma Software | Publisher | |
| Kumo Games | Developer | |
| Kunabee | Developer | |
| Kunabi Brother | Developer | |
| Kunedon | Developer | |
| Kuneko | Developer | |
| Kung Fu | Developer | |
| Kung Fu Circus | Developer | |
| Kung Fu Factory | Developer | |
| Kung Fu Games | Developer | |
| Kunitsukami | Developer | |
| Kunkelbek | Developer | |
| Kuno Hoshiko | Developer | |
| Kuno Interactive | Developer | |
| KunoNoOni | Developer | |
| Kunos Simulazioni | DeveloperPublisher | |
| Kunpo Games | Developer | |
| Kunstbanause | Developer | |
| Kunsym | Developer | |
| Kupull | Developer | |
| Kur0mega | Developer | |
| Kura! | Developer | |
| Kural | Publisher | |
| Kuranpetto- | Developer | |