 | Ikari (Joystick hack bootleg) (clone of: ikari) | 1986 | bootleg | ikarijpb | Shooter / Walking | 0.00 |
| Ikari Warriors (US JAMMA) | 1986 | SNK | ikari | Shooter / Walking | 8.33 |
| Ikari Warriors (US No Continues) (clone of: ikari) | 1986 | SNK | ikarinc | | 0.00 |
| Ikari Warriors (US) (clone of: ikari) | 1986 | SNK | ikaria | | 0.00 |
| | Ippatsu Gyakuten [BET] (Japan) | 1986 | Public Software / Paradais | ippatsu | | 0.00 |
 | Iron Horse | 1986 | Konami | ironhors | Platform / Shooter Scrolling | 7.04 |
 | Jackal (World) | 1986 | Konami | jackal | Shooter / Driving Vertical | 8.10 |
 | Jail Break | 1986 | Konami | jailbrek | Platform / Shooter Scrolling | 6.36 |
| Jail Break (bootleg) (clone of: jailbrek) | 1986 | bootleg | jailbrekb | | 0.00 |
| | Jolly Card (Austrian, Funworld) (clone of: bigdeal) | 1986 | Funworld | jolycdat | | 0.00 |
| | Jolly Card (Austrian, Funworld, bootleg) (clone of: jollycrd) | 1986 | Inter Games | jolycdab | | 0.00 |
 | Joust 2 - Survival of the Fittest | 1986 | Williams | joust2 | Platform / Run Jump | 5.67 |
 | Kaiketsu Yanchamaru (Japan) (clone of: kidniki) | 1986 | Irem | yanchamr | Platform / Fighter Scrolling | 0.00 |
 | Kick and Run (US) (clone of: kicknrun) | 1986 | Taito America Corp | kicknrunu | | 0.00 |
| Kick and Run (World) | 1986 | Taito Corporation | kicknrun | Sports / Soccer | 6.97 |
| Kid Niki - Radical Ninja (US) (clone of: kidniki) | 1986 | Irem (Data East USA license) | kidnikiu | | 0.00 |
| Kid Niki - Radical Ninja (World) | 1986 | Irem | kidniki | Platform / Fighter Scrolling | 6.57 |
 | KiKi KaiKai | 1986 | Taito Corporation | kikikai | Shooter / Walking | 7.63 |
| | King Derby (Taiwan bootleg) (clone of: kingdrby) | 1986 | bootleg (Casino Electronics) | kingdrbb | | 0.00 |
| Knight Boy (clone of: kikikai) | 1986 | bootleg | knightb | | 0.00 |
