| Killbert | Developer | |
| KilledByAPixel | Developer | |
| Killer Bee Software | DeveloperPublisher | |
| Killer Bees Games | DeveloperPublisher | |
| Killer Game | Developer | |
| KillerBlobProductions | Developer | |
| KillerPokeGames | Developer | |
| Killerkun | Developer | |
| Killhouse Games | DeveloperPublisher | |
| Killian Delias | Developer | |
| Killian Droulez | Developer | |
| Killingflour | Developer | |
| Killjoygames | Developer | |
| Killmobil | Developer | |
| Killmonday Games | DeveloperPublisher | |
| Killspace Entertainment | Developer | |
| Kiln | Developer | |
| Kilogram | Developer | |
| Kilomatter | Developer | |
| Kilonova Studios | Developer | |
| Kiluns | Developer | |
| Kilz Knight | Developer | |
| Kim | Developer | |
| Kim Berkley | Developer | |
| Kim Chaves | Developer | |
| Kim Hoang | Developer | |
| KimJongTheIllest | Developer | |
| KimiNako | Developer | |
| Kimimaru | Developer | |
| Kimiyoto | Developer | |
| Kimmo Factor | DeveloperPublisher | |
| Kimmsoft | Developer | |
| Kimsen95x | Developer | |
| Kimsoft | Developer | |
| Kinaya Studios | Developer | |
| Kinayla | Developer | |
| Kind Cat Games | Developer | |
| Kindermann Corp | Developer | |
| Kindred | Developer | |
| Kindvirus | Developer | |
| Kinelga | Developer | |
| Kinemation | Developer | |
| Kinesix | Developer | |
| Kinesoft | Developer | |
| Kinetic Designs (Michael Kosaka, Mike Talbot, Stephen Landrum, Tim McCarthy, David Bunch, Sarah Day) | Developer | |
| Kinetica Software | Developer | |
| Kinfusion | Developer | |
| King | DeveloperPublisher | |
| King Art | Developer | |
| King Art Games | DeveloperPublisher | |