| Sinclair ZX Spectrum cass. |  Helichopper Model 000372 | 1985 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Hellfire | 1985 | Melbourne House UK 015901 |
| Sinclair ZX Spectrum cass. | Henry's Hoard Model AS 002 | 1985 | Alternative Soft., Ltd. |
| Sinclair ZX Spectrum cass. | Herbert's Dummy Run | 1985 | Mikro-Gen UK |
| Sinclair ZX Spectrum cass. | Here & There with the Mr Men | 1985 | Mirrorsoft, Ltd. England |
| Sinclair ZX Spectrum cass. | Here Be Tygers | 1985 | Automata U.K., Ltd. |
| Sinclair ZX Spectrum cass. | Hi-Tech Pools Check | 1985 | Mirrorsoft, Ltd. England |
| Sinclair ZX Spectrum cass. | Highway Encounter | 1985 | Vortex Soft., Ltd. England |
| Sinclair ZX Spectrum cass. |  Hot: Vectron 3D | 1985 | Firebird Soft. UK 012439 |
| Sinclair ZX Spectrum cass. | Hotch Potch Model IMS 0071 | 1985 | Mastertronic, Ltd. UK 012967 |
| Sinclair ZX Spectrum cass. | Hyper Sports Model 110061 P | 1985 | Imagine Soft. Ocean Group 13156 |
| Sinclair ZX Spectrum cass. | I, of the Mask Model MRK601/IN1 | 1985 | Electric Dreams Soft. |
| Sinclair ZX Spectrum cass. | Ian Botham's Test Match | 1985 | Tynesoft Computer Soft. |
| Sinclair ZX Spectrum cass. | Ian Botham's Test Match + Pyjamarama | 1985 | Tynesoft Computer Soft. |
| Sinclair ZX Spectrum cass. | Ice Station Zero | 1985 | 8th Day Soft. Liverpool, England |
| Sinclair ZX Spectrum cass. | Icicle Works Model 000197 | 1985 | Statesoft State Soft, Ltd. 012294 |
| Sinclair ZX Spectrum cass. | Impossible Mission | 1985 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Impossible Mission | 1985 | D3M Soft. |
| Sinclair ZX Spectrum cass. |  Impossible Mission | 1985 | Compulogical Spain |
| Sinclair ZX Spectrum cass. | In Search of Angels Model 5 | 1985 | 8th Day Soft. Liverpool, England |
| Sinclair ZX Spectrum cass. | Inquisitor | 1985 | Clews, Bill & Marion |
| Sinclair ZX Spectrum cass. | International Karate | 1985 | System 3 Soft., Ltd. |
| Sinclair ZX Spectrum cass. | International Karate | 1985 | Endurance Games, Ltd. |
| Sinclair ZX Spectrum cass. | International Match Day | 1985 | Ocean Soft., Ltd. 13156 |
| Sinclair ZX Spectrum cass. | International Rugby Model ACS 125 | 1985 | Artic Computing, Ltd. |
| Sinclair ZX Spectrum cass. | Itemiada | 1985 | Cybexlab Soft. |
| Sinclair ZX Spectrum cass. | Jack Charlton's Match Fishing | 1985 | Alligata Soft. |
| Sinclair ZX Spectrum cass. | Jack in Magicland | 1985 | Turtle Soft. |
| Sinclair ZX Spectrum cass. | Jason's Gem Model IS 0081 | 1985 | Mastertronic, Ltd. UK 012967 |
| Sinclair ZX Spectrum cass. | Jet Set Willy II | 1985 | Software Projects, Ltd. |
| Sinclair ZX Spectrum cass. | Jet Set Willy III Hb | 1985 | MB/APG Netherlands |
| Sinclair ZX Spectrum cass. | Jet Set Willy IV - Willy's New Hat Hb | 1985 | Unknown |
| Sinclair ZX Spectrum cass. | Jet Set Willy: Join The Jet-Set! | 1985 | Halsoft UK |
| Sinclair ZX Spectrum cass. | Jewels of Babylon | 1985 | Interceptor Soft. |
| Sinclair ZX Spectrum cass. | Jock and the Time Rings Model AT 325 | 1985 | Atlantis Soft. |
| Sinclair ZX Spectrum cass. | Jonah Barrington's Squash Model NGSSC012 | 1985 | New Generation Soft. |
| Sinclair ZX Spectrum cass. | Journey's End | 1985 | Games Workshop |
| Sinclair ZX Spectrum cass. | Juggernaut | 1985 | CRL Group PLC London, England |
| Sinclair ZX Spectrum cass. | Jungle Jie | 1985 | Gadtek Games |
| Sinclair ZX Spectrum cass. | K'set issue 1 | 1985 | Ediciones y Textos Spain |
