| Sinclair ZX Spectrum cass. |  Sai Combat | 1986 | Mirrorsoft, Ltd. England |
| Sinclair ZX Spectrum cass. | Samantha Fox Strip Poker | 1986 | Martech Games, Ltd. |
| Sinclair ZX Spectrum cass. | Samurai | 1986 | CRL Group PLC London, England |
| Sinclair ZX Spectrum cass. |  Sarlmoor | 1986 | Zafiro Soft. Div. Spain |
| Sinclair ZX Spectrum cass. | Sarlmoor Model AT 322 | 1986 | Atlantis Soft. |
| Sinclair ZX Spectrum cass. | SAS Operation Thunderflash Model CSAC 610 | 1986 | Super Sparklers |
| Sinclair ZX Spectrum cass. | Sbugetti Junction Model BBS0 57 | 1986 | Bug-Byte London, England |
| Sinclair ZX Spectrum cass. | Scalextric Model LG 370 | 1986 | Leisure Games |
| Sinclair ZX Spectrum cass. | Scooby-Doo | 1986 | Elite Systems, Ltd. |
| Sinclair ZX Spectrum cass. | Sea Surfer | 1986 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Secret Mission Radio | 1986 | BIBLEchip |
| Sinclair ZX Spectrum cass. | Seek 'n' Find | 1986 | Humphrey Soft. |
| Sinclair ZX Spectrum cass. |  Serie Leyenda: Frost Byte | 1986 | IBSA Spain |
| Sinclair ZX Spectrum cass. | Sgrizam Model DSPE87005 | 1986 | Dinamic Soft. Madrid, Spain |
| Sinclair ZX Spectrum cass. | Shao-Lin's Road Model EDG 1SC | 1986 | Edge, The |
| Sinclair ZX Spectrum cass. | Ship | 1986 | Grupo Editorial SYGRAN Spain |
| Sinclair ZX Spectrum cass. | Short Circuit | 1986 | Erbe Soft. Spain |
| Sinclair ZX Spectrum cass. | Show Jumping | 1986 | Alligata Soft. |
| Sinclair ZX Spectrum cass. | Shrewsbury Key | 1986 | Players Soft. |
| Sinclair ZX Spectrum cass. | Silicon Dreams Model 006589 | 1986 | Rainbird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Bombscare Model 000945 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Booty Model 000167 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Gyron Arena Model 000594 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Harvey Headbanger Model 001027 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Helichopper Model 000372 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Kai Temple Model 000631 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: King's Keep Model 000815 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Mega-Bucks Model 001126 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Ninja Master Model 000679 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Olli & Lissa - The Ghost of Shilmoore Castle Model 000846 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Rebelstar Model 000648 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Spiky Harold Model 000556 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: The Happiest Days of Your Life Model 000723 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Thrust Model 000716 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Silver 199 Range: Winter Sports Model 010180 | 1986 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Sinbad and the Golden Ship Model MS 005 | 1986 | Mastervision |
| Sinclair ZX Spectrum cass. | Sir Fred | 1986 | Made in Spain Spain |
| Sinclair ZX Spectrum cass. | Skelvullyn Twine | 1986 | 8th Day Soft. Liverpool, England |
| Sinclair ZX Spectrum cass. | Snakes and Ladders | 1986 | Rai Soft. |
| Sinclair ZX Spectrum cass. | Snooker | 1986 | Currys |
