| Rompers (Japan) | 1989 | Namco | rompers | Maze | 6.50 |
| Shadowland | 1987 | Namco | shadowld | Platform / Shooter Scrolling | 7.23 |
| Sky Kid (CUS60 version) (clone of: skykid) | 1985 | Namco | skykidd | Shooter / Flying Horizontal | 0.00 |
| Sky Kid (new version) | 1985 | Namco | skykid | Shooter / Flying Horizontal | 4.90 |
| Sky Kid (old version) (clone of: skykid) | 1985 | Namco | skykido | Shooter / Flying Horizontal | 0.00 |
| Sky Kid Deluxe (set 1) | 1986 | Namco | skykiddx | Shooter / Flying Horizontal | 0.00 |
| Sky Kid Deluxe (set 2) (clone of: skykiddx) | 1986 | Namco | skykiddxo | | 0.00 |
| Smash Court Pro Tournament (SCP1) | 2002 | Namco | scptour | | 0.00 |
| Solvalou (Japan) | 1991 | Namco | solvalou | Shooter / Flying 1st Person | 0.00 |
| SOS | 1980 | Namco | sos | Shooter / Flying Vertical *Mature* | 1.00 |
| Souko Ban Deluxe (Japan) (clone of: boxyboy) | 1990 | Namco | soukobdx | Puzzle | 0.00 |
| Soul Calibur (Japan, SOC11/VER.A2) (clone of: soulclbr) | 1998 | Namco | soulclbrja | | 0.00 |
| Soul Calibur (Japan, SOC11/VER.B) (clone of: soulclbr) | 1998 | Namco | soulclbrjb | | 0.00 |
| Soul Calibur (Japan, SOC11/VER.C) (clone of: soulclbr) | 1998 | Namco | soulclbrjc | | 0.00 |
| Soul Calibur (US, SOC13/VER.B) (clone of: soulclbr) | 1998 | Namco | soulclbrub | | 0.00 |
| Soul Calibur (US, SOC13/VER.C) (clone of: soulclbr) | 1998 | Namco | soulclbruc | | 0.00 |
| Soul Calibur (World, SOC14/VER.B) (clone of: soulclbr) | 1998 | Namco | soulclbrwb | | 0.00 |
| Soul Calibur (World, SOC14/VER.C) | 1998 | Namco | soulclbr | Fighter / Versus | 9.36 |
| Soul Calibur II (SC21 Ver. A) (clone of: soulclb2) | 2002 | Namco | soulcl2b | | 0.00 |
| Soul Calibur II (SC22 Ver. A) (clone of: soulclb2) | 2002 | Namco | soulcl2a | | 0.00 |