| Jackpot Club (System 85, set 1) | 1987 | BFM | b85jpclb | | 0.00 |
| Jackpot Club (System 85, set 2) (clone of: b85jpclb) | 1987 | BFM | b85jpclba | | 0.00 |
| Karnov (Japan) (clone of: karnov) | 1987 | Data East Corporation | karnovj | Platform / Shooter Scrolling | 0.00 |
| Karnov (US) | 1987 | Data East USA | karnov | Platform / Shooter Scrolling | 6.88 |
| Kid no Hore Hore Daisakusen | 1987 | Nichibutsu | horekid | Maze | 8.00 |
| Kid no Hore Hore Daisakusen (bootleg) (clone of: horekid) | 1987 | bootleg | horekidb | Maze | 0.00 |
| Kozure Ookami (Japan) | 1987 | Nichibutsu | kozure | | 0.00 |
| Kung-Fu Roushi | 1987 | Namco | kungfur | | 0.00 |
| Kyros | 1987 | Alpha Denshi Co. (World Games Inc. license) | kyros | Fighter / Vertical | 0.00 |
| Kyukyoku Tiger (Japan) (clone of: twincobr) | 1987 | Toaplan / Taito Corporation | ktiger | Shooter / Flying Vertical | 0.00 |
| Labyrinth Runner (Japan) (clone of: tricktrp) | 1987 | Konami | labyrunr | Shooter / Walking | 0.00 |
| Labyrinth Runner (World Ver. K) (clone of: tricktrp) | 1987 | Konami | labyrunrk | | 0.00 |
| Laser War (8.3) | 1987 | Data East | lwar_a83 | | 0.00 |
| Laser War (9.0 Europe) (clone of: lwar_a83) | 1987 | Data East | lwar_e90 | | 0.00 |
| Legion - Spinner-87 (World ver 2.03) | 1987 | Nichibutsu | legion | Shooter / Flying Vertical | 7.00 |
| Lifeforce (Japan) (clone of: salamand) | 1987 | Konami | lifefrcej | | 0.00 |
| Little Hero (clone of: kidniki) | 1987 | bootleg | lithero | Platform / Fighter Scrolling | 0.00 |
| Live Gal (Japan 870530) | 1987 | Central Denshi | livegal | Tabletop / Mahjong *Mature* | 0.00 |
| Lortium | 1987 | Juegos Populares | lortium | | 0.00 |
| Lotto Fun | 1987 | H.A.R. Management | lottofun | Misc. Betting | 0.00 |