 | Kick (cocktail) (clone of: kick) | 1981 | Midway | kickc | | 0.00 |
| Kick (upright) | 1981 | Midway | kick | Ball & Paddle | 4.94 |
| Kickman (upright) (clone of: kick) | 1981 | Midway | kickman | | 0.00 |
 | Laguna Racer | 1977 | Midway | lagunar | Driving / Race | 5.36 |
 | M-4 (sample of: m4) | 1977 | Midway | m4 | Shooter / Versus | 7.50 |
 | Mortal Kombat (prototype, rev 4.0 07/14/92) (clone of: mk) | 1992 | Midway | mkprot4 | | 0.00 |
| Mortal Kombat (prototype, rev 8.0 07/21/92) (clone of: mk) | 1992 | Midway | mkprot8 | | 0.00 |
| Mortal Kombat (prototype, rev 9.0 07/28/92) (clone of: mk) | 1992 | Midway | mkprot9 | Fighter / Versus | 0.00 |
| Mortal Kombat (rev 1.0 08/09/92) (clone of: mk) | 1992 | Midway | mkla1 | Fighter / Versus | 9.20 |
| Mortal Kombat (rev 2.0 08/18/92) (clone of: mk) | 1992 | Midway | mkla2 | Fighter / Versus | 0.00 |
| Mortal Kombat (rev 3.0 08/31/92) (clone of: mk) | 1992 | Midway | mkla3 | Fighter / Versus | 0.00 |
| Mortal Kombat (rev 4.0 09/28/92) (clone of: mk) | 1992 | Midway | mkla4 | Fighter / Versus | 0.00 |
| Mortal Kombat (rev 4.0 T-Unit 02/11/93) (clone of: mk) | 1992 | Midway | mkr4 | Fighter / Versus | 0.00 |
| Mortal Kombat (rev 5.0 T-Unit 03/19/93) | 1992 | Midway | mk | Fighter / Versus | 5.09 |
 | Mortal Kombat 3 (rev 1 chip label p4.0) (clone of: mk3) | 1994 | Midway | mk3p40 | | 0.00 |
| Mortal Kombat 3 (rev 1.0) (clone of: mk3) | 1994 | Midway | mk3r10 | Fighter / Versus | 0.00 |
| Mortal Kombat 3 (rev 2.0) (clone of: mk3) | 1994 | Midway | mk3r20 | Fighter / Versus | 0.00 |
| Mortal Kombat 3 (rev 2.1) | 1994 | Midway | mk3 | Fighter / Versus | 7.00 |
 | Mortal Kombat 4 (version 1.0) (clone of: mk4) | 1997 | Midway | mk4b | | 0.00 |
| Mortal Kombat 4 (version 2.1) (clone of: mk4) | 1997 | Midway | mk4a | | 0.00 |
