| Sinclair ZX Spectrum cass. |  Brian Jacks Superstar Challenge | 1985 | Martech Games, Ltd. |
| Sinclair ZX Spectrum cass. |  Brian Jacks Superstar Challenge Model ZS-48/034 | 1985 | Zafi Chip |
| Sinclair ZX Spectrum cass. | Britain Invaded! | 1985 | Tk Computerware |
| Sinclair ZX Spectrum cass. | Buck Rogers - Planet of Zoom | 1985 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Bug Eyes | 1985 | Icon Soft. |
| Sinclair ZX Spectrum cass. | Buggy Blast Model 002024 | 1985 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | C5 Clive | 1985 | Scorpio Gamesworld |
| Sinclair ZX Spectrum cass. | Caesar's Travels | 1985 | Mirrorsoft, Ltd. England |
| Sinclair ZX Spectrum cass. | Car Cure | 1985 | Simtron |
| Sinclair ZX Spectrum cass. | Cargo | 1985 | Sinclair Research, Ltd. |
| Sinclair ZX Spectrum cass. | Castle Adventure | 1985 | Walter Pooley |
| Sinclair ZX Spectrum cass. | Cauldron + The Evil Dead Model PSC 1008 P | 1985 | Palace Soft. 013518 |
| Sinclair ZX Spectrum cass. | Caves of Doom Model IS 0084 | 1985 | Mastertronic, Ltd. UK 012967 |
| Sinclair ZX Spectrum cass. | Cederick | 1985 | Data-Skip |
| Sinclair ZX Spectrum cass. | Centauri Challenge | 1985 | Data-Skip |
| Sinclair ZX Spectrum cass. | Chaos | 1985 | Games Workshop |
| Sinclair ZX Spectrum cass. | Charlie and the Chocolate Factory | 1985 | MacGibbon, Hill |
| Sinclair ZX Spectrum cass. | Chickin Chase Model 003151 P | 1985 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Chiller Model IS 0036 | 1985 | Mastertronic, Ltd. UK 012967 |
| Sinclair ZX Spectrum cass. | Chinese Patience Model AT 318 | 1985 | Atlantis Soft. |
| Sinclair ZX Spectrum cass. | Chuckie Egg 2 | 1985 | A&F Soft. |
| Sinclair ZX Spectrum cass. |  Chuckie Egg 2 | 1985 | Pick & Choose, Ltd. |
| Sinclair ZX Spectrum cass. | Chuckie Egg Editor Ver.2 | 1985 | Mercury Soft. |
| Sinclair ZX Spectrum cass. | City of Death | 1985 | Red Shift |
| Sinclair ZX Spectrum cass. | Classic Adventure | 1985 | Melbourne House UK 015901 |
| Sinclair ZX Spectrum cass. | Clue's O | 1985 | Imperial Soft. UK |
| Sinclair ZX Spectrum cass. | Cluedo Model LG050 | 1985 | Leisure Genius |
| Sinclair ZX Spectrum cass. | Colditz Escape | 1985 | Psychosoft |
| Sinclair ZX Spectrum cass. | Colossal Cave Adventure | 1985 | Anubis Soft. |
| Sinclair ZX Spectrum cass. | Combat Lynx Model 000037 | 1985 | Durell Soft. |
| Sinclair ZX Spectrum cass. | Commando | 1985 | Elite Systems, Ltd. |
| Sinclair ZX Spectrum cass. | Computer Wordsearch | 1985 | Softfirm |
| Sinclair ZX Spectrum cass. | Confidential | 1985 | Radar Games |
| Sinclair ZX Spectrum cass. | Confuzion Model S15 | 1985 | Incentive Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Convoy | 1985 | Budgie Budget Soft. |
| Sinclair ZX Spectrum cass. | Copper Hopper | 1985 | ESP |
| Sinclair ZX Spectrum cass. | Cosmic Wartoad | 1985 | Ocean Soft., Ltd. 13156 |
| Sinclair ZX Spectrum cass. | Costa Capers Model 002284 | 1985 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Critical Mass | 1985 | Encore 012189 |
| Sinclair ZX Spectrum cass. | Critical Mass Model 000136 | 1985 | Durell Soft. |
