| Sinbad (Nova) (MPU4) (set 6) (clone of: m4sinbdn) | 1969 | Bwb | m4sinbdn__e | | 0.00 |
| Sinbad (Nova) (MPU4) (set 7) (clone of: m4sinbdn) | 1969 | Bwb | m4sinbdn__f | | 0.00 |
| Sinbad 2000 (German) (Nova) (Scorpion 4) | 1969 | Nova | sc4s2k | | 0.00 |
| Sindbad Mystery | 1983 | Sega | sindbadm | Puzzle / Maze | 7.75 |
| Sinistar (prototype version) (clone of: sinistar) | 1982 | Williams | sinistar1 | | 0.00 |
| Sinistar (revision 2) (clone of: sinistar) | 1982 | Williams | sinistar2 | | 0.00 |
| Sinistar (revision 3) | 1982 | Williams | sinistar | Shooter / Field | 7.13 |
| Sir Prize (PR2004) (Mazooma) (Scorpion 4) | 1969 | Mazooma | sc4sirpz | | 0.00 |
| Sir Prize (PR7079) (Mazooma) (Scorpion 4) (set 1) (clone of: sc4sirpz) | 1969 | Mazooma | sc4sirpza | | 0.00 |
| Sir Prize (PR7079) (Mazooma) (Scorpion 4) (set 2) (clone of: sc4sirpz) | 1969 | Mazooma | sc4sirpzb | | 0.00 |
| Sir Winalot (Maygay) (EPOCH) (2.1, set 5) (clone of: ep_srwin) | 2000 | Maygay | ep_srwind | | 0.00 |
| Sir Winalot (Maygay) (EPOCH) (2.6, set 1) | 2002 | Maygay | ep_srwin | | 0.00 |
| Sir Winalot (Maygay) (EPOCH) (2.6, set 4) (clone of: ep_srwin) | 2002 | Maygay | ep_srwinc | | 0.00 |
| Sir Winalot (Maygay) (EPOCH) (3.3, set 2) (clone of: ep_srwin) | 2002 | Maygay | ep_srwina | | 0.00 |
| Sir Winalot (Maygay) (EPOCH) (3.3, set 3) (clone of: ep_srwin) | 2002 | Maygay | ep_srwinb | | 0.00 |
| Six Million Dollar Man | 1978 | Bally | smman | | 0.00 |
| Six Shooter (Vivid) (MPU5) (v1.1, set 1) | 1969 | Vivid | m5sixsht | | 0.00 |
| Six Shooter (Vivid) (MPU5) (v1.1, set 2) (clone of: m5sixsht) | 1969 | Vivid | m5sixshta | | 0.00 |
| Six Shooter (Vivid) (MPU5) (v2.0, set 1) (clone of: m5sixsht) | 1969 | Vivid | m5sixshtb | | 0.00 |
| Six Shooter (Vivid) (MPU5) (v2.0, set 2) (clone of: m5sixsht) | 1969 | Vivid | m5sixshtc | | 0.00 |