| Sinclair ZX Spectrum cass. |  Border Harrier | 1986 | Sole Solution Soft. |
| Sinclair ZX Spectrum cass. | Border Harrier + Warlord + The Golden Cobra | 1986 | Guild, The |
| Sinclair ZX Spectrum cass. | Boulder Dash III | 1986 | Prism Leisure Corp. plc UK 014293 |
| Sinclair ZX Spectrum cass. | Bounces | 1986 | Beyond Soft. |
| Sinclair ZX Spectrum cass. | Bouncing Bomb | 1986 | Ruston, Phil |
| Sinclair ZX Spectrum cass. | Bounder Model 019077 | 1986 | Gremlin Graphics Soft., Ltd. 013658 |
| Sinclair ZX Spectrum cass. |  Bounty Bob Strikes Back! Model 5523 | 1986 | Americana Soft. |
| Sinclair ZX Spectrum cass. |  BreakThru | 1986 | Erbe Soft. Spain |
| Sinclair ZX Spectrum cass. | Breakthru Model 4014 | 1986 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Brian the Bold Model CSC 9 | 1986 | Central Solutions, Ltd. |
| Sinclair ZX Spectrum cass. | Bridge Player 3 | 1986 | CP Soft. |
| Sinclair ZX Spectrum cass. | Brook the Barbarian | 1986 | Silfverberg, Richard |
| Sinclair ZX Spectrum cass. | Bruce Lee | 1986 | Disprosoft Brazil |
| Sinclair ZX Spectrum cass. | Bubble Run | 1986 | Tynesoft Computer Soft. |
| Sinclair ZX Spectrum cass. | Bugsy | 1986 | CRL Group PLC London, England |
| Sinclair ZX Spectrum cass. | Bullseye | 1986 | Macsen Soft. |
| Sinclair ZX Spectrum cass. | Bullseye | 1986 | TV Games |
| Sinclair ZX Spectrum cass. | Bump, Set, Spike Model USAS 0110 | 1986 | Entertainment USA Mastertronic |
| Sinclair ZX Spectrum cass. | Cagara | 1986 | Players Soft. |
| Sinclair ZX Spectrum cass. | Camelot Warriors Model AS22056 | 1986 | Ariolasoft Germany |
| Sinclair ZX Spectrum cass. | Camelot Warriors Model DSPE 87007 | 1986 | Dinamic Soft. Madrid, Spain |
| Sinclair ZX Spectrum cass. | Cannibal Island | 1986 | LiveWire Soft. |
| Sinclair ZX Spectrum cass. | Captain Kelly Model QSS 136 | 1986 | Quicksilva |
| Sinclair ZX Spectrum cass. | Captain Slog | 1986 | Alpha-Omega Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Castle Thade | 1986 | Spectrum Adventure Exchange Club |
| Sinclair ZX Spectrum cass. | Cauldron II - The Pumpkin Strikes Back Model PSD 1017 | 1986 | Palace Soft. 013518 |
| Sinclair ZX Spectrum cass. | Caverns of Kontonia | 1986 | Atlantis Soft. |
| Sinclair ZX Spectrum cass. | City Slicker Model 010304 | 1986 | Hewson Consultants, Ltd. England 012635 |
| Sinclair ZX Spectrum cass. | Class 50 Fleet Manager | 1986 | Dee-Kay Systems |
| Sinclair ZX Spectrum cass. | Classroom Chaos Model CSC 3 | 1986 | Central Solutions, Ltd. |
| Sinclair ZX Spectrum cass. | Claws of Despair | 1986 | Players Soft. |
| Sinclair ZX Spectrum cass. | Cliff Hanger Model NSY 1028 | 1986 | New Generation Soft. |
| Sinclair ZX Spectrum cass. | Clive in Exile | 1986 | Illusion Soft. Ltd. UK |
| Sinclair ZX Spectrum cass. | Cobra | 1986 | Erbe Soft. Spain |
| Sinclair ZX Spectrum cass. | Cobra | 1986 | IBSA Spain |
| Sinclair ZX Spectrum cass. | Cobra's Arc | 1986 | Dinamic Soft. Madrid, Spain |
| Sinclair ZX Spectrum cass. | Coin-It | 1986 | Video Leisure |
| Sinclair ZX Spectrum cass. | Colossus Bridge 4 Model XXX 1017 | 1986 | CDS Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Colossus Chess 4 Model XXX 1015 | 1986 | CDS Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Comet Encounter | 1986 | LiveWire Soft. |
