 | Kaitei Takara Sagashi (Namco license) (clone of: kaitei) | 1980 | K.K. Tokki (Namco license) | kaitein | | 0.00 |
 | Killer Comet | 1980 | Game Plan (Centuri license) | killcom | Shooter / Field | 6.00 |
 | King & Balloon (Japan) (clone of: kingball) | 1980 | Namco | kingballj | | 0.00 |
| King & Balloon (US) | 1980 | Namco | kingball | Shooter / Gallery | 2.50 |
| | Laser Ball (T-2) (clone of: lzbal_l2) | 1980 | Williams | lzbal_t2 | | 0.00 |
| | Lucky Today | 1980 | Sigma | luctoday | | 0.00 |
 | Lupin III (set 1) (sample of: invaders) | 1980 | Taito | lupin3 | Maze | 5.00 |
| Lupin III (set 2) (clone of: lupin3) (sample of: invaders) | 1980 | Taito | lupin3a | | 0.00 |
 | Mad Alien | 1980 | Data East Corporation | madalien | Shooter / Gallery | 7.33 |
| Mad Alien (Highway Chase) (clone of: madalien) | 1980 | Data East Corporation | madaliena | | 0.00 |
 | Magic Worm (bootleg of Centipede) (clone of: centiped) | 1980 | bootleg | magworm | Shooter / Gallery | 0.00 |
 | Magical Spot | 1980 | Universal | magspot | Shooter / Gallery | 5.50 |
 | Magical Spot II | 1980 | Universal | magspot2 | Shooter / Gallery | 5.80 |
 | Mayday (set 1) | 1980 | Hoei | mayday | Shooter / Flying Horizontal | 6.00 |
| Mayday (set 2) (clone of: mayday) | 1980 | Hoei | maydaya | Shooter / Flying Horizontal | 0.00 |
| Mayday (set 3) (clone of: mayday) | 1980 | Hoei | maydayb | Shooter / Flying Horizontal | 0.00 |
 | Megatack | 1980 | Game Plan (Centuri license) | megatack | Shooter / Gallery | 2.50 |
| | Meteor (Taito) | 1980 | Taito do Brasil | meteort | | 0.00 |
| Millpac (bootleg of Centipede) (clone of: centiped) | 1980 | bootleg? (Valadon Automation) | millpac | Shooter / Gallery | 0.00 |
 | Missile Combat (Sidam bootleg) (clone of: missile) | 1980 | bootleg (Sidam) | mcombats | | 0.00 |
