| Search Light (Maygay) (M1A/B) | 1969 | Maygay | m1search | | 0.00 |
| Seawitch | 1980 | Stern | seawitch | | 0.00 |
| Seawolf II (sample of: seawolf) | 1978 | Midway | seawolf2 | Shooter / Gallery | 6.00 |
| Second Chance | 1985 | SMS Manufacturing Corp. | secondch | | 0.00 |
| Second Love (Japan 861201) | 1986 | Nichibutsu | secolove | Tabletop / Mahjong *Mature* | 5.00 |
| Secret 7s (Bwb) (MPU5) (set 1) | 1969 | Bwb | m5sec7 | | 0.00 |
| Secret 7s (Bwb) (MPU5) (set 2) (clone of: m5sec7) | 1969 | Bwb | m5sec7a | | 0.00 |
| Secret Agent (bootleg) (clone of: slyspy) | 1989 | bootleg | secretab | Platform / Shooter Scrolling | 0.00 |
| Secret Agent (Maygay) (EPOCH) (1.3, set 3) (clone of: ep_secag) | 2000 | Maygay | ep_secagb | | 0.00 |
| Secret Agent (Maygay) (EPOCH) (1.5, set 1) | 2002 | Maygay | ep_secag | | 0.00 |
| Secret Agent (Maygay) (EPOCH) (1.5, set 2) (clone of: ep_secag) | 2002 | Maygay | ep_secaga | | 0.00 |
| Secret Agent (Nova) (MPU4) | 1969 | Nova | m4sctagt | | 0.00 |
| Secret Agent (World) (clone of: slyspy) | 1989 | Data East Corporation | secretag | Platform / Shooter Scrolling | 0.00 |
| Secret Castle (v1) (Electrocoin) | 1969 | Electrocoin | ec_secrt | | 0.00 |
| Secret Service (2.6) | 1988 | Data East | ssvc_a26 | | 0.00 |
| Section 16 (Mazooma) (Scorpion 4) (set 1) | 1969 | Mazooma | sc4s16 | | 0.00 |
| Section 16 (Mazooma) (Scorpion 4) (set 2) (clone of: sc4s16) | 1969 | Mazooma | sc4s16a | | 0.00 |
| Section Z (set 1) | 1985 | Capcom | sectionz | Shooter / Flying Horizontal | 6.83 |
| Section Z (set 2) (clone of: sectionz) | 1985 | Capcom | sectionza | | 0.00 |
| Sector Zone (clone of: seicross) | 1984 | Nichibutsu / Alice | sectrzon | Shooter / Driving Horizontal | 0.00 |