| | Laser Base (set 1) | 1981 | Hoei (Amstar license) | laserbas | Unplayable | 5.50 |
| | Laser Base (set 2) (clone of: laserbas) | 1981 | Hoei (Amstar license) | laserbasa | | 0.00 |
| | Laser Battle | 1981 | Zaccaria | laserbat | | 5.50 |
| | Lazarian (clone of: laserbat) | 1981 | Zaccaria (Bally Midway license) | lazarian | | 0.00 |
| | Lightning | 1981 | Stern | lightnin | | 0.00 |
 | Lock'n'Chase | 1981 | Data East Corporation | lnc | Maze | 6.25 |
 | Lock'n'Chase (DECO Cassette) | 1981 | Data East Corporation | clocknch | Maze | 0.00 |
| | Locomotion | 1981 | Zaccaria | locomotp | | 0.00 |
 | Lucky Poker (DECO Cassette) | 1981 | Data East Corporation | cluckypo | Casino | 0.00 |
 | Magic Brush (bootleg of Crush Roller) (clone of: crush) | 1981 | bootleg | mbrush | Maze | 0.00 |
| Make Trax (US set 1) (clone of: crush) | 1981 | Alpha Denshi Co. / Kural (Williams license) | maketrax | Maze | 0.00 |
| Make Trax (US set 2) (clone of: crush) | 1981 | Alpha Denshi Co. / Kural (Williams license) | maketrxb | Maze | 0.00 |
 | Marine Date | 1981 | Taito | marinedt | Maze | 5.75 |
 | Mariner | 1981 | Amenip | mariner | Shooter / Misc. Horizontal | 5.75 |
 | Mars | 1981 | Artic | mars | Shooter / Flying Horizontal | 6.67 |
| | Mars - God of War | 1981 | Gottlieb | marsp | | 0.00 |
| | Maze Invaders (prototype) | 1981 | Atari | mazeinv | | 8.77 |
| | Medusa | 1981 | Bally | medusa | | 0.00 |
 | Meteoroids (clone of: spcforce) | 1981 | Venture Line | meteor | Shooter / Field | 0.00 |
 | Monkey Donkey (clone of: ckong) | 1981 | bootleg | monkeyd | Platform / Run Jump | 0.00 |
