| | Inquizitor | 1989 | BFM | inquiztr | | 0.00 |
 | Insector X (Japan) (clone of: insectx) | 1989 | Taito Corporation | insectxj | | 0.00 |
| Insector X (World) | 1989 | Taito Corporation Japan | insectx | Shooter / Flying Horizontal | 7.78 |
 | Ironman Ivan Stewart's Super Off-Road | 1989 | Leland Corp. | offroad | Driving / Race Track | 7.19 |
 | Ironman Ivan Stewart's Super Off-Road Track-Pak | 1989 | Leland Corp. | offroadt | Driving / Race Track | 7.16 |
| Ironman Ivan Stewart's Super Off-Road Track-Pak (2 Players) (clone of: offroadt) | 1989 | Leland Corp. | offroadt2p | | 0.00 |
 | Jitsuryoku!! Pro Yakyuu (Japan) | 1989 | Jaleco | jitsupro | Sports / Baseball | 7.50 |
| | Jokerz! (L-3) (clone of: jokrz_l6) | 1989 | Williams | jokrz_l3 | | 0.00 |
| | Jokerz! (L-6) | 1989 | Williams | jokrz_l6 | | 0.00 |
 | JuJu Densetsu (Japan) (clone of: toki) | 1989 | TAD Corporation | juju | | 0.00 |
| JuJu Densetsu (Japan, bootleg) (clone of: toki) | 1989 | bootleg | jujuba | | 0.00 |
 | Jumbo Ozaki Super Masters Golf (Japan, Floppy Based, FD1094 317-0058-05b) (clone of: sgmast) | 1989 | Sega | sgmastj | | 0.00 |
| Jumbo Ozaki Super Masters Golf (World, Floppy Based, FD1094 317-0058-05c) (clone of: sgmast) | 1989 | Sega | sgmastc | Sports / Golf | 0.00 |
| | Jumping (clone of: rbisland) | 1989 | bootleg | jumping | Platform / Run Jump | 0.00 |
| | Kasino '89 | 1989 | SFC S.R.L. | kas89 | | 0.00 |
| | Keith Courage In Alpha Zones | 1989 | Hudson Soft | keith | | 0.00 |
 | Klax (Germany) (clone of: klax) | 1989 | Atari Games | klaxd | Puzzle / Drop | 0.00 |
| Klax (Japan) (clone of: klax) | 1989 | Atari Games | klaxj | Puzzle / Drop | 0.00 |
| Klax (prototype set 1) (clone of: klax) | 1989 | Atari Games | klaxp1 | Puzzle / Drop | 0.00 |
| Klax (prototype set 2) (clone of: klax) | 1989 | Atari Games | klaxp2 | Puzzle / Drop | 0.00 |
