 | Side Arms - Hyper Dyne (US) (clone of: sidearms) | 1986 | Capcom (Romstar license) | sidearmsr | | 0.00 |
| Side Arms - Hyper Dyne (World) | 1986 | Capcom | sidearms | Shooter / Flying Horizontal | 7.90 |
 | Side Pocket (bootleg) (clone of: sidepckt) | 1986 | bootleg | sidepcktb | | 0.00 |
| 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 |
| | Skill Flight | 1986 | Nuova Bell Games | skflight | | 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 |
| | Slap Fight (bootleg set 1) (clone of: alcon) | 1986 | bootleg | slapfighb1 | | 0.00 |
| | Slap Fight (bootleg set 2) (clone of: alcon) | 1986 | bootleg | slapfighb2 | | 0.00 |
| | Slap Fight (bootleg set 3) (clone of: alcon) | 1986 | bootleg | slapfighb3 | | 0.00 |
 | Slap Fight (Japan set 1) (clone of: alcon) | 1986 | Toaplan / Taito | slapfigh | Shooter / Flying Vertical | 8.68 |
| | Slap Fight (Japan set 2) (clone of: alcon) | 1986 | Toaplan / Taito | slapfigha | | 0.00 |
| | Solar Wars (Sonic) | 1986 | Sonic | solarwap | | 3.00 |
 | Solar-Warrior (clone of: xsleena) | 1986 | Technos Japan / Taito (Memetron license) | solarwar | Platform / Shooter Scrolling | 0.00 |
 | Soldier Girl Amazon | 1986 | Nichibutsu | amazon | Shooter / Walking | 0.00 |
 | Solomon no Kagi (Japan) (clone of: solomon) | 1986 | Tecmo | solomonj | | 0.00 |
| Solomon's Key (US) | 1986 | Tecmo | solomon | Puzzle / Maze | 3.67 |
| | Space Hawks (clone of: cybrnaut) | 1986 | Nuova Bell Games | spacehaw | | 0.00 |
 | Space Position (Japan) | 1986 | Sega / Nasco | spcpostn | Driving / Race | 6.00 |
