| | Kuai Le Xi You Ji | 1969 | IGS | klxyj | | 0.00 |
 | Kuhga - Operation Code 'Vapor Trail' (Japan revision 3) (clone of: vaportra) | 1989 | Data East Corporation | kuhga | Shooter / Flying Vertical | 0.00 |
| | Kung Fu (Ace) (IMPACT) | 1969 | Ace | j6kungfu | | 0.00 |
 | Kung Fu (PlayChoice-10) | 1985 | Irem (Nintendo license) | pc_kngfu | Fighter / 2D | 2.50 |
| | Kung Fu Club (Crystal) (IMPACT) | 1969 | Crystal | j6kfc | | 0.00 |
 | Kung-Fu Master | 1984 | Irem | kungfum | Fighter / 2D | 8.97 |
| Kung-Fu Master (bootleg set 1) (clone of: kungfum) | 1984 | bootleg | kungfub | Fighter / 2D | 0.00 |
| Kung-Fu Master (bootleg set 2) (clone of: kungfum) | 1984 | bootleg | kungfub2 | Fighter / 2D | 0.00 |
| Kung-Fu Master (Data East) (clone of: kungfum) | 1984 | Irem (Data East license) | kungfumd | | 0.00 |
| | Kung-Fu Roushi | 1987 | Namco | kungfur | | 7.17 |
 | Kung-Fu Taikun (set 1) | 1984 | Seibu Kaihatsu | kungfut | Puzzle / Match | 6.00 |
| Kung-Fu Taikun (set 2) (clone of: kungfut) | 1984 | Seibu Kaihatsu | kungfuta | Puzzle / Match | 0.00 |
 | Kuri Kinton (Japan) (clone of: kurikint) | 1988 | Taito Corporation | kurikintj | | 0.00 |
| Kuri Kinton (US) (clone of: kurikint) | 1988 | Taito America Corporation | kurikintu | | 0.00 |
| Kuri Kinton (World) | 1988 | Taito Corporation Japan | kurikint | Platform / Fighter Scrolling | 5.50 |
| Kuri Kinton (World, prototype?) (clone of: kurikint) | 1988 | Taito Corporation Japan | kurikinta | | 0.00 |
| | Kurukuru Chameleon (GDL-0034) | 2006 | Able | kurucham | | 0.00 |
| | Kurukuru Fever | 2003 | Aruze / Takumi | kurufev | | 0.00 |
 | Kusayakyuu | 1985 | Taito Corporation | ksayakyu | Sports / Baseball | 4.50 |
 | Kyohkoh-Toppa (Japan) (clone of: brkthru) | 1986 | Data East Corporation | brkthruj | Shooter / Driving Horizontal | 0.00 |
