| Game Name | System |
|---|
| K-1 Revenge [U] | PSX |
| K-1 World GP - Zettai Ouja Ikusei Keikaku (J)(Caravan) | NDS |
| K-1 World Grand Prix 2001 - Kaimaku Ban (J) | PSX |
| K-Ball2 | Atari 800 |
| K-Bert | Atari 800 |
| K-Byte (19xx)(Swiecie Software)(UNK-LANG) | ZX Spectrum (TAP) |
| K-On! Houkago Live!! (Japan) | PSP |
| K-Robbo No.1 (1995)(LUK Soft)(pl)[k-file] | Atari 800 |
| K-Robbo No.2 (1995)(LUK Soft)(pl)[k-file] | Atari 800 |
| K-Robbo No.3 (1995)(LUK Soft)(pl)[k-file] | Atari 800 |
| K-Robbo No.4 (1995)(LUK Soft)(pl)[k-file] | Atari 800 |
| K-razy Shoot-Out (1982) (CBS) | 5200 |
| K.G. Bird (0200024V, NSW/ACT) | MAME |
| K.G. Bird (4VXFC5341, New Zealand, 10c) | MAME |
| K.G. Bird (4VXFC5341, New Zealand, 5c) | MAME |
| K.H. Rummenigge's Player Manager (Germany) | SNES |
| K.H. Rummenigge's Player Manager (Germany) (Sample) | SNES |
| K.O. - The Pro Boxing (Japan) | GBC |
| K.Y.A. (S) (19xx) | CPC |
| K1 Fighting Illusion (J) | Saturn |
| K1003 | MAME |
| K11 - Kommissare im Einsatz (G) | NDS |
| K28: Talking Learning Computer (model 7-230) | MAME |
| K28: Talking Learning Computer (model 7-232) | MAME |
| K3 Fashion Party (N) | NDS |
| K3 Karaoke (N)(EXiMiUS) | NDS |
| K3 en de Vrolijke Noten (NL) | NDS |
| K3 en het Ijsprinsesje (Nl)(Did It) | NDS |
| K8915 | MAME |
| K9.5 1 - Live in Airedale [U] | PSX |
| K9.5 2 - We Are the Dogs! [U] | PSX |
| K9.5 3 - Webtunes [U] | PSX |
| K9.5 4 - The Tail-Wag Tour [U] | PSX |
| K9.5 5 - The Howlywood Premiere [U] | PSX |
| KABOOM! (1983) (Activision) | 5200 |
| KAO the Kangaroo (Europe)(En,Fr,De,It,Es) | DC |
| KAO the Kangaroo (USA)(En,Es) | DC |
| KAOSDesk v2.0 (1989)(Kromke, Andreas)(de) | Atari ST |
| KAOSDesk v2.01 (1989)(Kromke, Andreas)(de) | Atari ST |
| KAZooK! (Europe) | PSP |
| KC 85/1.11 | MAME |
| KC 85/3 | MAME |
| KC 85/4 | MAME |
| KC 85/5 | MAME |
| KC 87.10 | MAME |
| KC 87.11 | MAME |
| KC 87.20 | MAME |
| KC 87.21 | MAME |
| KC Compact | MAME |
| KGB Super Spy (1989)(Codemasters) | ZX Spectrum Z80 |
| KGB Super Spy (1989)(Codemasters) | ZX Spectrum (TAP) |
| KGB Super Spy (1989)(Codemasters)[a] | ZX Spectrum (TAP) |
| KGB Superspy (E) | C64 Tapes |
| KIM-1 | MAME |
| KISMET | Atari 800 |
| KISS Pinball (USA) | PSX2PSP |
| KISS Pinball [U] | PSX |
| KISS Psycho Circus - The Nightmare Child (Europe)(En,Fr,De) | DC |
| KISS Psycho Circus - The Nightmare Child (USA) | DC |
| KIX (1986)(Superior)[bootfile] [SSD] | BBC Micro |
| KIX (1986)(Superior)[cr SAM][KIX start] [SSD] | BBC Micro |
| KIX (1986)(Superior)[h TSTH][bootfile] [SSD] | BBC Micro |
| KIX (1986)(Superior)[h TSTH][t][bootfile] [SSD] | BBC Micro |
| KMC-5000 (MSX2) | MAME |
| KO Punch | MAME |
| KO Seiki Beast Sanjuushi - Gaia Fukkatsu Kanketsu Hen (NTSC-J) | PCECD |
| KOF - Maximum Impact Regulation A (Japan) | PS2 |
| KONG 2 | Atari 800 |
| KONTIKI 100 | MAME |
| KORG DS-10 - Synthesizer (E)(SQUiRE) | NDS |
| KORG DS-10 - Synthesizer (J)(Diplodocus) | NDS |
| KORG M01 - Music Workstation (J) | NDS |
| KR-03 | MAME |
| KRing (19xx)(-) | ZX Spectrum Z80 |
| KT-76 | MAME |
| KTris by Richard Wilson (PD) | CPC |
| KZ-26 | MAME |
| K_Razy_Shoot_Out_CBS_Software | Atari 800 |
| K_Razy_Shoot_Out_K_Byte | Atari 800 |
| Ka (Japan) | PS2 |
| Ka 2 - Let's Go Hawaii (Japan) | PS2 |
| Ka-Ge-Ki (Japan) | Genesis |
| Ka-Ge-Ki - Fists of Steel (USA) | Genesis |
| Kaan - Barbarian's Blade (Europe) (En,Fr,De,Es,It) | PS2 |
| Kablooey (USA) | SNES |
| Kabobber (07-25-1983) (Activision, Rex Bradford) (Prototype) | 2600 |
| Kaboom | Atari 800 |
| Kaboom (19xx)(Munsie, Dave)(SW) | Atari ST |
| Kaboom! (1986)(Proxima Software) | ZX Spectrum (TAP) |
| Kaboom! (1986)(Proxima Software) | ZX Spectrum Z80 |
| Kaboom! (Paddle) (1981) (Activision, Larry Kaplan, David Crane) (AG-010, AG-010-04) | 2600 |
| Kabu Trader Shun (J)(SQUiRE) | NDS |
| Kabuki - Quantum Fighter (Europe) | NES |
| Kabuki - Quantum Fighter (USA) | NES |
| Kabuki Chou Reach Mahjong Tonpuusen (Japan) | SNES |
| Kabuki Rocks (Japan) | SNES |
| Kabuki-Z (Japan) | MAME |
| Kabuki-Z (World) | MAME |
| Kabul Spy (19xx)(-)[cr](Disk 1 of 1 Side A) | Apple2 |
| Kabul Spy (19xx)(-)[cr](Disk 1 of 1 Side B) | Apple2 |
