| title | developer | year | platform | | pop. |
|---|
| Karnov | Quicksilver Software | 1987 | MS-DOS | platformer shooter | image | | label | |
| KBounce | KBounce Team | ? | Linux | action/reflex puzzle | image | | label | |
| kbreakout | KBreakout Team;KDE | 2008 | Linux | action/reflex | image | subject | label | |
| Keyboarding | Scholastic | 1986 | Apple II E | edutainment | | | label | |
| kfour | author | ? | Linux | | | | label | |
| KFourInLine | author;KDE | 1995 | Linux | board game turn-based | image | subject | label | |
| Killing Floor | Shatterline Productions | 2005 | Linux | shooter Horror | | | label | |
| Killing Floor | Tripwire Interactive;Shatterline Productions | 2012 | Linux | shooter Horror | | | label | |
| Killing Floor - Toy Master | author | 2016 | Linux | shooter Horror | | | label | |
| Killing Floor: Uncovered | Tripwire Interactive | 2016 | Linux | shooter Horror | | | label | |
| Kinder Koncepts | Midwest Publications | ? | Apple II E | | | | label | |
| Kinder Koncepts: Mathematics and Reading Readiness | Midwest Publications | 1983 | Apple II E | | | | label | |
| King | Programma International | 1978 | Apple II E | manag./econ. | | subject | label | |
| King | Creative Computing | 1979 | Apple II E | manag./econ. | | subject | label | |
| King of Kings | Atlus | 1988 | NES | strategy role-play turn-based Fantasy | image | subject | label | |
| King of Kings: The Early Years | Wisdom Tree | 1991 | NES | platformer | image | subject | label | |
| King's Field | From Software | 1994 | PS | role-play Fantasy | image | subject | label | |
| King's Field II | From Software | 1995 | PS | role-play Fantasy | image | | label | |
| King's Field III | From Software | 1996 | PS | role-play Fantasy | image | | label | |
| Kingdom | Contemporary Marketing Inc | 1978 | Commodore PET | manag./econ. strategy | image | subject | label | |
| Kingdom | Commodore User | 1977 | Commodore PET | manag./econ. strategy | image | subject | label | |
| Kingdom | People's Computer Company | 1981 | Sol-20 | manag./econ. strategy | | subject | label | |
| Kingdom | Personal Software | 1979 | Commodore PET | manag./econ. strategy | image | subject | label | |
| Kingdom | People's Computer Company | 1983 | MS-DOS | manag./econ. strategy | image | subject | label | |
| Kittens, Kids And A Frog | Hartley Courseware | 1987 | Apple II E | edutainment | | | label | |
| Kittens, Kids And A Frog: Kittens, Kids, and a Frog: Building Comprehension I | Hartley Courseware | 1989 | Apple II E | edutainment | | | label | |
| Klax | Tengen | 1991 | GB | puzzle | image | subject | label | |
| Klax | Hudson Soft | 1990 | GB | puzzle | image | subject | label | |
| Klondike | ? | ? | NeXT | casino/cards | | | label | |
| KMines | KMines Team;KDE | 1996 | Linux | puzzle | image | subject | label | |
| Knightmare | Mindscape | 1991 | Atari ST | adventure role-play | | | label | |
| Knightmare | Activision | 1988 | Atari ST | adventure Fantasy | image | | label | |
| KNIGHTS | Arzola's | 2016 | Linux | | | | label | |
| Knights | author | 2009 | Linux | role-play Fantasy | | | label | |
| Knights | Top Books | 1983 | TRS-80 | action/reflex | | | label | |
| Knights | Top Books | 1983 | Apple II E | action/reflex | | | label | |
| Knights | Top Books | 1983 | MS-DOS | action/reflex | | | label | |
| Knights | author | 2012 | Linux | action/reflex maze Fantasy | | | label | |
| Knights | The Knights Project | 2005 | Linux | strategy board game turn-based | | | label | |
| Know Your Apple IIe | Muse Software | ? | Apple II E | edutainment | | | label | |
| Kona | Parabole | 2017 | Linux | adventure Fantasy | | | label | |
| Kung-Fu Master | ASCII;Mass Tael | 1983 | MSX | beat 'em up | | | label | |
| Kyum-Gai: to be a Ninja | Sundog Systems | 1989 | Tandy Coco | platformer | | | label | |
| Kyum-Gai: to be a Ninja for OS-9 | Sundog Systems | 1990 | Tandy Coco | platformer | | | label | |
