| Kollon (V2.04JC) (clone of: kollon) | 2003 | Taito | kollonc | | 0.00 |
 | Konami '88 (clone of: 88games) | 1988 | Konami | konami88 | Sports / Track & Field | 0.00 |
| Konami 80's AC Special (GC826 VER. AAA) (clone of: konam80s) | 1998 | Konami | konam80a | | 0.00 |
| Konami 80's AC Special (GC826 VER. EAA) | 1998 | Konami | konam80s | | 4.00 |
| Konami 80's AC Special (GC826 VER. KAA) (clone of: konam80s) | 1998 | Konami | konam80k | | 0.00 |
| Konami 80's AC Special (GC826 VER. UAA) (clone of: konam80s) | 1998 | Konami | konam80u | | 0.00 |
| Konami 80's Gallery (GC826 VER. JAA) (clone of: konam80s) | 1998 | Konami | konam80j | | 0.00 |
 | Konami GT | 1985 | Konami | konamigt | Driving / Race 1st Person | 6.07 |
| Konami Pyson BIOS | 2002 | Konami | pyson | | 0.00 |
 | Konami RF2 - Red Fighter (clone of: konamigt) | 1985 | Konami | rf2 | Driving / Race 1st Person | 0.00 |
| Konami Test Board (GX800, Japan) | 1969 | Konami | kontest | | 0.00 |
| Konami Viper BIOS | 1999 | Konami | kviper | | 0.00 |
 | Konami's Open Golf Championship (ver EAD) (clone of: opengolf) | 1994 | Konami | opengolf2 | | 0.00 |
 | Konami's Open Golf Championship (ver EAE) | 1994 | Konami | opengolf | Sports / Golf | 8.40 |
 | Konami's Ping-Pong | 1985 | Konami | pingpong | Sports / Tennis | 8.51 |
| Konek-Gorbunok | 1988 | Terminal | konek | | 7.00 |
| Kong (Brazil) | 1969 | Taito do Brasil | kong | | 5.00 |
 | Konkyuu no Hoshi | 1994 | BMC | bmcbowl | Sports / Bowling | 0.00 |
| Korma Chameleon (Empire) (MPU5) (set 1) | 1969 | Empire | m5korma | | 0.00 |
| Korma Chameleon (Empire) (MPU5) (set 2) (clone of: m5korma) | 1969 | Empire | m5korma12 | | 0.00 |