 | Side Pocket (Japan) (clone of: sidepckt) | 1986 | Data East Corporation | sidepcktj | | 0.00 |
| Side Pocket (World) | 1986 | Data East Corporation | sidepckt | Sports / Pool | 5.00 |
| | Side Splitter (Mazooma) (Scorpion 4) (set 1) | 1969 | Mazooma | sc4sidsp | | 0.00 |
| | Side Splitter (Mazooma) (Scorpion 4) (set 2) (clone of: sc4sidsp) | 1969 | Mazooma | sc4sidspa | | 0.00 |
| | Side Splitter (Mazooma) (Scorpion 4) (set 3) (clone of: sc4sidsp) | 1969 | Mazooma | sc4sidspb | | 0.00 |
| | Side Splitter (Mazooma) (Scorpion 4) (set 4) (clone of: sc4sidsp) | 1969 | Mazooma | sc4sidspc | | 0.00 |
 | Side Track (sample of: targ) | 1979 | Exidy | sidetrac | Maze | 0.00 |
| | Sidewinder | 1969 | ACE | sidewndr | | 0.00 |
| | Sidewinder (Arcadia, set 1, V 2.1) | 1988 | Arcadia Systems | ar_sdwr | Unplayable | 0.00 |
| | Sidewinder (Arcadia, set 2) (clone of: ar_sdwr) | 1988 | Arcadia Systems | ar_sdwr2 | | 0.00 |
| | Sidewinder (JPM) (IMPACT) | 1969 | JPM | j6sidewd | | 0.00 |
| | Sigma Poker | 1995 | Sigma Inc. | sigmapkr | | 0.00 |
| | Sigma Poker 2000 | 1998 | Sigma Inc. | sigma2k | | 0.00 |
 | Silent Dragon (Japan) (clone of: silentd) | 1992 | Taito Corporation | silentdj | Fighter / 2.5D | 0.00 |
| Silent Dragon (US) (clone of: silentd) | 1992 | Taito America Corporation | silentdu | | 0.00 |
| Silent Dragon (World) | 1992 | Taito Corporation Japan | silentd | Fighter / 2.5D | 7.50 |
 | Silent Scope (ver xxA, Ver 1.00) (clone of: sscope) | 2000 | Konami | sscopea | | 0.00 |
| Silent Scope (ver xxB, Ver 1.20) (clone of: sscope) | 2000 | Konami | sscopeb | | 0.00 |
| Silent Scope (ver xxC, Ver 1.30) (clone of: sscope) | 2000 | Konami | sscopec | | 0.00 |
| Silent Scope (ver xxD, Ver 1.33) | 2000 | Konami | sscope | Unplayable | 3.40 |
